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GE Globe Control Valves Technical Specifications

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1. Y 41405 TRIM 2 to 4 41405 TRIM 6 to 18 Ti AN 1797077 Diffuser Option Figure 17 Internal parts of pilot plug valve 41405 type L M T I rcm Wi E om T A Figure 18 Internal parts of VRT anticavitation valves 41375 type 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 21 22 GI x Gas 2014 General Electric Company All rights reserved id Packing with lateral connection Without spring washer 6 to 16 1500 Ib and 8 to 16 2500 Ib 18 20 and 24 With spring washer 6 to 18 1500 Ib and 8 to 16 2500 Ib EU OBSS um Double cage NTTTTTITIT Valve working in Flow to close Flow to open temperature 11F 28 29 110 41605 41405 amp 41505 Parts Reference frenn wwe e Wesen _ On 41405 series valves only Recommended spare part On 41305 series valves only On 6 to 24 valves sizes only 150 to 600 mm J On 41905 series valves only 41375 high temperature valves only 41605 series valves only 41405 505 Series valves only O 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 23 AUSTRALIA Brisbane
2. jacket and a metallic spring and two backup rings 116 Assemble the different parts as shown in Figure 19 starting by the backup rings Caution put these parts as shown in Figure 19 the angle of 90 of the backup ring in front of the extrusion gap between cage and plug 6 3 41405 Valve Plug and Cage Assembly Figure 17 6 3 1 Assembly of valve plug and auxiliary pilot plug Assemble as appropriate the flat spring or the coil springs then the valve plug plug stem assembly Using the same tools as those used for disassembly see chapter Disassembly compress the springs so that the retaining ring can be inserted in the groove of the main plug 6 3 2 Assembly of cage Place the cage over the valve plug assembly via the top of the plug stem When doing so take particular care to position the ring correctly 6 4 Assembly of the Parts Inside the Valve Body Figures 17 18 and 19 Proceed as follows After checking that the surfaces are perfectly clean place the seat gasket 14 in the valve body making sure that it is centered as well as possible e Mount the seat ring or the diffuser seat 13 e Mount The cage 16 for 41305 41605 and 41905 valves The cage plug stem assembly for 41405 valves The STACK assembly making sure that the face with the smallest number of holes is in contact with the seat ring and cage 16 for 41375 valves 2014 General Electric Company All rights reserved
3. to be removed easily C Remove the body stud nuts 8 D By means of a pad eye secured instead of the actuator lift the bonnet 7 up and separate it from the valve body 18 During this operation the valve plug stem 1 must be pushed downwards so that the valve plug remains in the valve body 18 E Remove the spring washer 17 and the body gasket 10 Inthe case of type 41305 41375 41505 41605 and 41905 valves remove the valve plug stem 1 and valve plug 15 assembly from the cage by pulling the valve plug stem upward then remove the cage 16 and stack 37 assembly for 41375 type valve Caution Because of the cage gasket 31 the cage can sometimes be lifted along with the valve plug If this should happen press down on the cage so that it remains in the body If the cage is lifted along with the valve plug it could slip during handling and fall In the case of a 41905 series valve equipped with a graphite ring 45 make sure that the ring is not damaged during the operation G Inthe case of a 41405 valve remove the valve plug and body cage assembly by pulling the valve plug stem upward in this case the valve plug has a shoulder which prevents the cage from falling Remove the valve plug from the cage by pulling on the end of the valve plug stem H Remove the seat ring 13 and the seat ring gasket 14 from the valve body 18 Remove the packing 6 the packing spacer 5 and the guid
4. 4 8991 777 Fax 971 4 8991 778 UNITED KINGDOM Wooburn Green Phone 44 1628 536300 Fax 44 1628 536319 UNITED STATES Massachusetts Phone 1 508 586 4600 Fax 1 508 427 8971 Corpus Christi Texas Phone 1 361 881 8182 Fax 1 361 881 8246 Deer Park Texas Phone 1 281 884 1000 Fax 1 281 884 1010 Houston Texas Phone 1 281 671 1640 Fax 1 281 671 1735 Masoneilan and Lo dB are registered trademarks of the General Electric Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners 2014 General Electric Company All rights reserved GEA19369B 06 2014
5. B Push down the actuator and at the same time screw on the yoke nut 33 then the bottom stem connector 2 As soon as it becomes possible insert the valve stem into the actuator stem The stem must be inserted far enough so that when there is no air in the actuator the valve plug does not touch the seat C Tighten the yoke nut D Unscrew the valve plug stem until the valve plug comes into contact with the seat Do not turn the valve plug on the seat as this could damage the sealing surfaces E Supply air to the actuator until the stem has travelled atleast 10 mm Unscrew the plug stem the number of turns N1 specified in Figure 13 Caution in the case of 41405 valves use the 2 valve so ensure tightness of the pilot plug G Screw the 2 nuts 1 as far as they will go and check that operation is correct H Usethe pointer 7 to set the travel scale 9 to the closed valve position 7 2 Coupling of Actuator Type 87 No 6 Figure 15 A Tightly screw the two hex nuts 1 onto the plug stem B Push down the actuator and at the same time screw on the yoke nut 33 then the bottom stem connector 2 As soon as it becomes possible insert the valve stem into the actuator stem The stem must be inserted far enough so that when there is air in the actuator the valve plug does not touch the seat C Tighten the yoke nut 16 GE Oil amp Gas D Supply air to the actuator at the initial pressure of spr
6. Caution for the double cage assembly carry out the following operations Put the inner cage 16 upside down Encase the outer cage 75 on the inner cage maintain them together with the two pins 76 In the case of valves other than 41405 valves insert the valve plug stem ring assembly into the cage taking particular care as it goes past the ring or spring energized seal ring In the case of valves with N D less than 150 6 place the body cage gasket in the valve body making sure that it is centered as well as possible For valve sizes 150 to 400 mm 6 to 16 insert either the cage gasket 24 or the flat spring washer 17 For valve sizes 450 600 and 750 mm 18 20 and 24 insert either the first cage gasket the cage washer and the second cage gasket or the flat spring depending on the type of valve then place the body gasket 10 in the valve body making sure that it is centered as well as possible Caution to the direction of assembly of spring washer ND 150 6 to 450 18 valves the concave face is upwards ND 500 20 and 600 24 the concave face is downwards and the tapped holes are visible 6 5 Assembly of Bonnet Check that the packing ring 6 the spacer 5 and the guide bushing 22 have been removed from the bonnet Position the bonnet 7 above the valve so that the packing flange studs 2 are perpendicular to the flow direction of the valve Thread the bonnet 7 onto the
7. Figure 12 900 or 2500 2 0 08 3 9 0 15 F With the plug correctly positioned on the seat 900or2500 2008 59015 unscrew the bottom stem connector assembly to 150 to 1500 3 0 12 5 0 2 bring it into contact with the top stem connector 2500 G Supply air to the actuator until the stem has travelled 150 to 1500 H Unscrew the bottom stem connector the number of 08 150 to 1500 turns N1 specified in Figure 13 then lock manually 6 0 24 8 3 0 33 with hex nut 1 39 2500 10 12 16 150 1500 Caution for 4140 valves use the N2 valve so ensure gt and 16 2500 7 0 275 93 0 37 tightness of the pilot plug Release the pressure in actuator so that the two A Pilot plug travel parts of connector come into contact and tighten the socket head cap screws and nuts 1 and 32 Figure 14 Seating value for 41405 valves O 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 17 7 5 Coupling of Air to Extend Actuator Type 37 Figure 16 A Push down on the plug stem 1 until the plug rests is seated B Attach the actuator to the valve bonnet with the yoke nut 33 or attachment screws Apply a sufficient pressure to the diaphragm to extend the actuator stem by the normal valve travel for valves 41305 41505 41605 and 41905 and the travel minus the value of A in Figure 14 for 41405 valves C Assemble the two parts of the stem connector 51 and the
8. Phone Fax Perth Phone Fax Melbourne Phone Fax BELGIUM Phone Fax BRAZIL Phone Fax CHINA Phone Fax FRANCE Courbevoie Phone Fax GERMANY Ratingen Phone Fax INDIA Mumbai Phone Fax New Delhi Phone Fax DIRECT SALES OFFICE LOCATIONS 61 7 3001 4319 61 7 3001 4399 61 8 6595 7018 61 8 6595 7299 61 3 8807 6002 61 3 8807 6577 32 2 344 0970 32 2 344 1123 55 11 2146 3600 55 11 2146 3610 86 10 5689 3600 86 10 5689 3800 33 1 4904 9000 33 1 4904 9010 49 2102 108 0 49 2102 108 111 91 22 8354790 91 22 8354791 91 11 2 6164175 91 11 5 1659655 ITALY Phone 39 081 7892 111 Fax 39 081 7892 208 JAPAN Chiba Phone 81 43 297 9222 Fax 81 43 299 1115 KOREA Phone 82 2 22 74 0748 Fax 82 2 22 74 0794 MALAYSIA Phone 60 3 2161 0322 Fax 60 3 2163 6312 MEXICO Phone 52 55 3640 5060 Fax THE NETHERLANDS Phone 0031 15 3808666 Fax 0031 18 1641438 RUSSIA Veliky Novgorod Phone 7 8162 55 7898 Fax 7 8162 55 7921 Moscow Phone 7 495 585 1276 Fax 7 495 585 1279 SAUDI ARABIA Phone 966 3 341 0278 Fax 966 3 341 7624 SINGAPORE Phone 65 6861 6100 Fax 65 6861 7172 SOUTH AFRICA Phone 27 11 452 1550 27 11 452 6542 SOUTH amp CENTRAL AMERICA AND THE CARIBBEAN Phone 55 12 2134 1201 Fax 55 12 2134 1238 SPAIN Phone 34 93 652 6430 Fax 34 93 652 6444 UNITED ARAB EMIRATES Phone 971
9. case of air to extend actuators supply air to the actuator at the maximum pressure indicated on the serial plate and in the case of spring to extend actuators do not supply air to the actuator so that the optimum positioning of the valve plug and seat can be obtained Single bolting circle Evenly tighten the nuts 8 by applying the torque indicated in table in Figure 10 and the tightening sequence In Figure 11 Double bolting circle Beginning by the internal nuts manually screw all the bolts Screw the internal nuts in order indicated by the Figure 2 and screw them by successive uniform and progressive levels During the tightening make sure that the bonnet face stays parallel at that of the body When the torque values given in the following table are reached the bonnet face must be in contact with that of the body Screw the external nuts in order indicated by the Figure 2 and screw them by successive uniform and progressive levels until the torque values given in the following table 14 GE Oil amp Gas Torque Valve body stud Bonnet Nuts 21 ASME Pressure classe oe 300 600 3 4 10 900 1500 7 8 9 2500 1 1 4 8 900 1500 300 600 3 4 10 900 1500 1 1 4 8 900 1500 2500 11 2 8 4 300 600 7 8 9 6x4 oo exa 3500 T112 300 1 600 0 6 130 178 s 300 600 11 4 10x8 900 12 x 1500 13 8 2500 13 4 8 300 11 2 8 600 11 2 8 10 90
10. plug correctly positioned on the seat unscrew the bottom stem connector assembly until it comes into contact with the top stem connector Tighten the socket head cap screws 5 nuts 1 and 32 and check that operation is correct 2014 General Electric Company All rights reserved uyn uyn J Shut off the supply pressure in the actuator and use Actuator Travel Actuator 87 Actuator 88 the pointer 7 to set the travel scale 9 to the closed valve position and check that operation is correct oo moss 117 3 4 62 178 3 7 02 Figure 12 Position of top stem connector 2500 Em 12 7 4 Coupling of Actuator Type 88 and 16 25 4 No 10 16 and 23 EE 12 16 2500 Figure 15 A Tightly screw hex nut 1 onto the plug stem 150 to 900 B Tightly screw the top stem connector assembly onto 150 to 600 the actuator stem Plug stem diameters class 150 or 12 7 2500 1 2 EN 900 to 2500 150t01500 15 87 13 Reverse actuators seating values for C Push down the actuator and at the same time screw 41305 41505 41605 41905 valves on the yoke nut 33 then the bottom stem connector assembly by screwing until they come into contact Valve size ASME ValueA Valueal with the hex nut 1 class mm in mm in D Push down the actuator and tighten the yoke nut 150 300 or 600 E Unscrew the top stem connector to respect 2500 2 5 0 1 4 4 0 17 dimension X in
11. point 58 The number of threads inside the stem connection must be approximately equal for each stem Tighten screw s 52 D Check that the travel of the actuator stem corresponds to the normal travel of the valve and that the closed position is obtained for the maximum spring range indicated on the serial plate E Shut off the air pressure Use the pointer 58 to set the travel scale 56 The pointer 58 must indicate open when the air pressure is off 18 GE Oil amp Gas 76 Coupling of Air to Retract Actuator Type 38 Figure 16 A Connect a temporary air supply line to the actuator Apply sufficient pressure to the diaphragm to retract the actuator stem completely Attach the actuator to the valve bonnet with the yoke nut 53 or attachment screws B Shutoffthe air pressure completely Increase the air pressure to retract the actuator stem by the value of ain Figure 14 Caution For 41405 valves use value a1 of Figure 14 C Assemble the two stem connectors 51 and the pointer 58 The number of threads inside the stem connection must be approximately equal for each stem Tighten screw s 52 D Checkthat the travel of the actuator stem corresponds to the effective travel of the valve and that the closed position is obtained for the minimum spring range indicated on the serial plate E Shutoff the air pressure then use the pointer 58 to set the travel scale 56 The pointer 58 must indic
12. sealing surface of the packing box lantern or the valve plug stem D Replace the packing rings with the cut in each ring placed about 120 from the next pressing them down one at a time and respecting the table below Carbon PTFE and pure PTFE packing box Number of rings with side connection on top of under packing packing spacer spacer without side N D mm lin l connection 80 100 3 4 Figure 3 E Put the follower 23 and the packing flange 4 back on Screw and tighten the packing flange nuts 3 without cramming the packing rings 2014 General Electric Company All rights reserved G Putthe valve back into service and check for tightness Tighten packing flange nuts 3 as required 5 1 2 Graphite packing ring To carry out this operation the valve plug stem must be removed See chapter on actuator disassembly A Loosen and remove packing flange nuts 3 B Remove packing flange 4 and packing follower 23 from the plug stem C Bymeans of a puller remove packing rings 6 insuring not to damage the sealing surface of packing box or plug stem D Replace new packing set 6 first one back up ring Carbon Graphite braided ring then expanded graphite rings smooth rings at last one other braided back up ring it is important to press the rings down one at a time in the packing box Number of packing set Number of rings 80 100 1 e _ 4 pa foe
13. see paragraph Spare parts The seat ring 13 plug and auxiliary pilot plug 20 seating surfaces must be completely free of dents wear and scratches If the auxiliary pilot plug seat in the valve plug 15 and or other valve plug or seat ring seating surfaces show signs of slight deterioration they can be touched up on a lathe 10 GE Oil amp Gas However not more than 0 25 mm 0 010 of metal must be removed in the case of a 50 80 100 mm 2 3 or 4 valve or more than 0 4 mm 0 015 in the case of a 150 to 400 mm 6 to 16 valve Make sure that the seating angle indicated in Figure 6 is respected If a slight defect exists on any of the above seating surfaces lapping can be envisaged in which case the following must be respected e Spread a fine layer of high quality sealing compound on the seating surface e Put the seat ring 13 in the body noting the angle e n the case of 41305 41505 41605 and 41905 valves put the cage 16 on the seat ring e In case of 41375 valves put the stack 48 the seat ring and the cage 16 on the stack e n the case of 41405 valves assemble the valve plug cage and stem 15 16 1 n case of 41305 41505 41605 41375 and 41905 assemble the valve plug 15 and stem 1 e Assemble the bonnet 7 and its guide bushing 22 e Place an appropriate tool on the valve plug stem 1 to turn it Lap by slightly rotating the
14. valve stem 1 and push it down carefully until it goes into the valve body studs 21 and takes up its correct position Grease the threads of the valve body studs 21 and the bearing surfaces of the body stud nuts 8 Screw on the body stud nuts by hand Tighten the nuts lightly and evenly so that the internal parts are held in place The face of the bonnet should be parallel to the upper face of the body Slide the guide bushing 22 onto the valve plug stem and let it drop to the bottom of the packing box housing Masoneilan 41005 Series Globe Valve 13 6 6 Tightening of Body Stud Nuts Alignment of internal parts In order to achieve perfect alignment of the seat ring and the valve plug a force must be applied to the plug stem during tightening of the bonnet which results in correct relative positioning of the two parts The force can be applied with the pneumatic actuator as follows Place the actuator on the valve bonnet 7 by means of the yoke nut 33 or attachment screws and connect the valve plug stem to the actuator stem See chapter on actuators for installation instructions Caution During this operation make sure that the plug does not turn when it is seated If the plug travel is very small and there is a large amount of plug stem inside the actuator it may be necessary to remove the yoke nut and lift the actuator so that the plug is not touching the seat Align the internal parts as follows In the
15. yee hate eade 16 73 Coupling ot Actuator Type 2 16 5 Coupling of Actuator Type 88 60 29 hate we eats 17 55 Coupling of Airto Extend Actuator uu Ee rede datas 18 To CouplingofAirto RetractActuator Type 30 18 ft Other PREUMOAUGACTUGIONS oa citum ee e DES Ol AP S ee DE 18 bogy Sub Assembly ete hee swat edet s pub E I Adda s 21 O 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 3 1 General Important This document contains all the instructions required for the installation operation and maintenance of the equipment Regular maintenance strict observance of these instructions and the use of manufacturer s replacement parts guarantee optimum operation and reduce maintenance costs 1 1 Scope The following instructions are designed to guide the user through the installation and maintenance of the 41005 series valves for all sizes and all pressure classes 1 2 Serial Plate The serial plate is usually fixed to the side of the actuator yoke It indicates amongst other things the type of valve the pressure class the material used for the pressurized chamber and the air supply pressure of the actuator 1 5 After Sales Service GE offers it clientele an After Sales Service comprising highly qualifi
16. 0 13 4 8 N Am 8 so 60 11 90 _ 1500 13 4 8 2500 1 7 8 8 11 2 8 39 60 112 5 11 2 8 290 sa Nominal ft lb size in Size in CA x NO 250 1000 400 350 1300 1400 700 1400 1700 1220 1300 1500 2800 2070 120 2000 1500 1630 1000 2500 1 00 1960 RE 1500 700 2000 1400 2200 1600 2000 1500 gt gt P gt CA as ios gt gt P A A gt WN O 16 1 r 1 3 4 300 600 900 17 8 300 600 300 ta 13 4 8 13 4 8 13 4 8 NO Figure 10 2014 General Electric Company All rights reserved 6 7 Assembly of Packing Box To assemble the packing box proceed as indicated in the maintenance chapter paragraph 5 1 1 or 5 1 2 Figure 11 Tightening sequence of nuts 8 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 15 7 Actuator Caution for coupling operations of actuators on valves it is necessary as a preliminary e to position the plug 15 on its seat ring 13 In no case one should not turn the plug on its seat to avoid any deterioration of tightness seat e connect a temporary air supply line to the actuator 7 1 Coupling of Actuator Type 88 No 6 Figure 15 A Tightly screw the two hex nuts 1 onto the plug stem
17. 150 to 600 6 to 24 Figure 4 E Putthe follower 23 and packing flange 4 back on Screw and moderately tighten the packing flange nuts 3 G Reassemble the valve plug stem see chapter on actuator re assembly Open and close the valve several times then tighten the packing Put the valve back into service and check for tightness Tighten packing flange nuts 3 as required 5 2 Repair of Parts Before re assembly the parts must be carefully examined in order to eliminate any scratched worn or damaged parts 5 2 1 Guiding surfaces The guiding surfaces of the cage and valve plug the guide bushing and the guiding surfaces of the plug stem and auxiliary pilot plug must be checked in particular If Masoneilan 41005 Series Globe Valve 9 there is only slight damage light abrasive be used Otherwise the part must be replaced as soon as possible see paragraph Spare parts Guiding surface Guiding surface Pilot Seating surface Cage Figure 5 5 2 2 Sealing surfaces Figure 6 Guiding surface Guiding surface Valve Seating surface A 532 30 S AN N 62 30 5730 NC Plug seating 29530 Pilot seating surface 0 30 surface 41405 only Seat ring seating surface Figure 6 If the surface of the auxiliary pilot plug 20 is damaged the auxiliary pilot plug must be replaced
18. GE Oil amp Gas Masoneilan 41005 Series Cage Guided Balanced Globe Valve Instruction Manual imagination at work GE Data Classification Public THESE INSTRUCTIONS PROVIDE THE CUSTOMER OPERATOR WITH IMPORTANT PROJECT SPECIFIC REFERENCE INFORMATION IN ADDITION TO THE CUSTOMER OPERATOR S NORMAL OPERATION AND MAINTENANCE PROCEDURES SINCE OPERATION AND MAINTENANCE PHILOSOPHIES VARY GE GENERAL ELECTRIC COMPANY AND ITS SUBSIDIARIES AND AFFILIATES DOES NOT ATTEMPT TO DICTATE SPECIFIC PROCEDURES BUT TO PROVIDE BASIC LIMITATIONS AND REQUIREMENTS CREATED BY THE TYPE OF EQUIPMENT PROVIDED THESE INSTRUCTIONS ASSUME THAT OPERATORS ALREADY HAVE A GENERAL UNDERSTANDING OF THE REQUIREMENTS FOR SAFE OPERATION OF MECHANICAL AND ELECTRICAL EQUIPMENT IN POTENTIALLY HAZARDOUS ENVIRONMENTS THEREFORE THESE INSTRUCTIONS SHOULD BE INTERPRETED AND APPLIED IN CONJUNCTION WITH THE SAFETY RULES AND REGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERATION OR MAINTENANCE SHOULD FURTHER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICIENTLY FOR THE CUSTOMER OPERATOR S PURPOSES THE MATTER SHOULD BE REFERRED TO GE THE RIGHTS OBLIGATIONS AND LIABILITIES OF GE AND THE CUSTOMER OPERATOR A
19. RE STRICTLY LIMITED TO THOSE EXPRESSLY PROVIDED IN THE CONTRACT RELATING TO THE SUPPLY OF THE EQUIPMENT NO ADDITIONAL REPRESENTATIONS OR WARRANTIES BY GE REGARDING THE EQUIPMENT ITS USE ARE GIVEN OR IMPLIED BY THE ISSUE OF THESE INSTRUCTIONS THESE INSTRUCTIONS CONTAIN PROPRIETARY INFORMATION OF GE AND ARE FURNISHED TO THE CUSTOMER OPERATOR SOLELY TO ASSIST IN THE INSTALLATION TESTING OPERATION AND OR MAINTENANCE OF THE EQUIPMENT DESCRIBED THIS DOCUMENT SHALL NOT BE REPRODUCED IN WHOLE OR IN PART NOR SHALL ITS CONTENTS BE DISCLOSED TO ANY THIRD PARTY WITHOUT THE WRITTEN APPROVAL OF GE 2 GE Oil amp Gas 2014 General Electric Company All rights reserved Contents 1 Generdlao ves deis eae due tle eee RM es qudd tea p dd 4 LO 4 L3 seas x pi acc te purae 4 La RR 4 1 5 Actuator and Other Accessories edicto a ane 4 2 Numberihd SUSLOITE Ce set te oo La e arcta es eub Daci 5 2 ape m veni 6 FE SRE C 6 5 25 Solund By PASS VONE dosis ttl ne pause estates 6 Leda TETTE 6 54 Test ano Cleaning or LNE neuen aen 6 OW DIECON eS abd tu Ed 6 Az DisdssembDlyus
20. Undefined Standard cage Linear Lo dB anticavitation single Body S A 5 Digits Design Series Optional Config Trim Type Characteristic A Angle Body EB Extension bonnet Standard cage Equal C Cryogenic extension bonnet percentage stage Linear Lo dB single stage with diffuser Linear Lo dB double stage Linear stack TYPE S Linear VRT stack partial Type S modified percentage cage TYPE C Linear Anticavitation double stage Linear 1 Note This instruction manual describes all the standard options in the 41005 valve series To satisfy the particular conditions of your application GE may have had to develop a special option which is the subject of an additional clause to this instruction manual In this case the instructions given in the additional clause always take precedence over the general instructions 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 5 3 Installation 3 1 Cleanness of Piping Before installing the valve in the line clean piping and valve of all foreign material such as welding chips scale oil grease or dirt Gasket surfaces must be thoroughly cleaned to insure leak free joints 3 2 Isolating By Pass Valve To allow for in line inspection maintenance and removal of the valve without service interruption provide a manually operated stop valve on each side of the con
21. air the mechanical strength of the stem valve assembly Assembly is carried out as follows 6 1 1 Reference marking on the valve plug stem Make a reference mark on the valve plug stem at a distance X Figures 7 and 8 equivalent to the stem recess in the valve plug Note For shouldered plug stems with two flats the above marking is unnecessary Valve Metric Anglo TRAN Diameter pin Saxon pg A diameter pin dia diameter B n mm in 6 1 2 Tightening of the plug stem To carry out this operation the valve plug must be prevented from moving by holding the plug shank with an appropriate tool Screw two nuts on to the end of the new plug stem and lock them together Screw the valve plug stem solidly into the plug checking that the reference mark is level with the end of the plug shank If the stem has flats apply a torque T using a wrench of dimension E see Figure 7 6 1 3 Drilling the pin hole Figures 7 and 8 Note For this operation it is recommended clamping the valve plug stem assembly by the plug shank to avoid damaging the guiding surfaces particular care must be taken so that the pin hole goes through the valve plug axis If the valve plug is new drill a hole of diameter C at a distance D from the end of the valve plug choose the diameter C from the table according to the type of pin used metric or Anglo Saxon pin If the hole is already drilled in the valve plug
22. ate closed when the air pressure is nil 7 7 Other Types of Pneumatic Actuators For other type of actuators which the coupling valve actuator is realized by coupling parts see Figure 16 follow the procedure e 8 7 5 for actuator opens by air failure e 8 76 for actuator closes by air failure 2014 General Electric Company All rights reserved 87 10 16 23 Detail of 87 88 Model No 6 Model 88 No 10 16 23 Parts Reference a eron pon keod roia Not provided for size 6 actuator Figure 15 Spring diaphragm actuators types 87 88 multispring 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 19 1 4 NPT a N Ln 1 4 NPT Plug stem coupling part the size see detail 83 UO LIU Type 38 Air to retract actuator Type 37 Air to extend actuator iii mm k 3 a X 4 1 E O f rj Coupling parts No 18 and 18L actuators Coupling parts No 24 actuator Detail of coupling types of plug stem Figure 16 Spring diaphragm actuator 37 38 types 20 GE Oil amp Gas Parts Reference 2014 General Electric Company All rights reserved Body Sub Assembly y N 9 Nak NDS 1 j
23. e bushing 22 from the bonnet 7 Note A packing spacer 5 is only mounted when the bonnet has a side connection Masoneilan 41005 Series Globe Valve 7 4 3 Disassembly of Valve Plug Stem The valve plug stem is screwed and pinned into the valve plug 15 To dismount the stem the valve plug must be held as indicated below taking care not to damage the guiding surfaces the plug stem pin 9 is then removed By means of flats or using nut and counter nut on the end of the stem unscrew the stem taking care not to apply a bending moment which could deform it Cylindrical machining diameter of the jaw plug shank diameter Dia A eer ER Tight only on y Soft metal this no guiding vise draw surface Stop pin integrated in vise jaw and Do not tight inserted into a on the plug skirt plug hole Figure 1 8 GE Oil amp Gas 4 4 Disassembly of the Auxiliary Pilot Plug When the valve is of the 41405 type In the case of 50 80 or 100 mm 2 3 4 valves Figure 17 Exert a sufficient force on the auxiliary pilot plug 20 to compress the spring washers 12 The retaining ring 19 can then be removed releasing the auxiliary pilot plug and spring washers In the case of 150 to 400 mm 6 to 16 valves Figure 17 To carry out this operation safely screws of the diameter and length indicated in the table in Figure 2 must be used Thread the socket head cap screws through the ho
24. ed technicians for the operation maintenance and repair of its equipment To benefit from this service contact our local representative or the After Sales Service of the factory whose address is given at the end of the document 4 GE Oil amp Gas 1 4 Spare Parts When carrying out maintenance operations only manufacturer s replacement parts must be used obtained through our local representatives or our Spare Parts Service When ordering spare parts the model and serial numbers indicated on the manufacturer s serial plate must be given The recommended spare parts are indicated in the parts list included in this instruction manual on page 20 1 5 Actuator and Other Accessories The valve is equipped with an actuator like all the other valve accessories actuators are the subject of special instructions which provide information on the electric and pneumatic connections The instruction manuals to be used for standard actuators are GEA31171 for types 37 38 GEA19530A for types 87 88 2014 General Electric Company All rights reserved 2 Numbering System Actuator 2 Digits Actuator Type Action on Air Failure Body Balanced Plug Series Seal Type Conventional Undefined 57 Open 38 Close Pressure energized Cylinder PTFE seal ring 51 Double Acting 52 Open 53 Close With pilot With seal ring Multispring With PTFE 87 Open seal 88 Close Graphite seal ring
25. ing range E Usethe pointer 7 to set the travel scale 9 to the open valve position Supply the actuator with air at a high enough pressure to obtain a travel equal to the nominal travel of the valve Caution in the case of the 41405 valves reduce the travel by value A indicated in Figure 14 G Unscrew the plug stem until the valve plug is in contact with the seat Do not turn the valve plug on the seat as this could damage the sealing surfaces Screw the 2 nuts 1 as far as they will go and check that operation is correct 7 3 Coupling of Actuator Type 87 No 10 16 and 23 Figure 15 A Tightly screw hex nut 1 onto the plug stem B Screw the top stem connector assembly tightly onto the actuator stem C Push down the actuator and at the same time screw on the yoke nut 33 then the bottom stem connector assembly by screwing until they come into contact with the hex nut 1 D Push down the actuator and tighten the yoke nut E Supply the actuator with air at the initial pressure indicated on the spring scale Position the stem connector assembly at distance X indicated in Figure 12 Use the pointer 7 to set the travel scale 9 to the open valve position H Supply the actuator with air at a high enough pressure to obtain a travel equal to the nominal travel of the valve Caution in the case of the 41405 valves reduce the travel by value A indicated in Figure 14 With the
26. les in the auxiliary pilot plug 20 Tighten until the retainer ring 19 can be removed Loosen the screws gradually Remove the auxiliary pilot plug and the spring 12 Valve size Pilot Dismounting Screws Size 150 5 2 S7 225 V 20UNC2A mnm In 30 8 2 76 275 iz 3 4 is 3 ess 25 Figure 2 2014 General Electric Company All rights reserved 5 Maintenance Repair 5 1 Packing Box Tightness of the packing box is obtained by compression of the packing 6 Compression must be achieved by evenly tightening the packing flange nuts 3 on the packing flange 4 Periodical retightening of the packing flange nuts Is required to maintain tightness Make sure that the packing is not over tightened as this could prevent smooth operation of the valve If a leak persists after the packing has been compressed to a maximum the packing needs to be changed A packing spacer 5 is only mounted when the bonnet has a side connection 5 1 1 Carbon PTFE and pure PTFE packing rings Carbon PTFE and pure PTFE packing rings are cut in such a way that they can be replaced without having to separate the valve plug stem from the actuator stem A Unscrew and remove the packing flange nuts 3 B Lift the packing flange 4 and packing follower 23 up along the valve stem C By means of a puller remove the packing 6 and packing spacer 5 taking care not to damage the
27. mpressor can be used to compress the ring in the groove for several minutes 6 2 4 41905 valve Figure 19 These valves are equipped with rings the inner metal ring has a straight cut and the outer ring is made of graphite The new graphite seal ring 11A is supplied in the form of a closed ring in which a notch must be cut before being inserted Caution Graphite seal rings are fragile and the following operations must be carried out very carefully Using a sharp blade carry out two V notches on the two opposite faces Hold the ring on either side of the notch between the thumb and index and bend until it breaks Using a very fine adjust each end of the ring so that its external circumference corresponds to the internal circumference of the inside diameter of the cage 16 To adjust the length of the ring correctly insert the new graphite ring into the cage with the ring against the inner wall of the hole in the cage allowing minimum play between the two ends of the ring To insert the inner ring then the graphite ring into the cage groove slightly open the rings by hand and slide them one after the other along the plug taking care not to damage the parts 2014 General Electric Company All rights reserved Note The cuts on each ring are to be placed at about 180 from each other 6 2 5 41375 high temperature valve 232 C to 316 C Figure 19 These valves are equipped with a seal ring composed of a
28. ply sufficient air pressure on the diaphragm to retract the stem completely Loosen the counter nut unscrew the stem Caution During this operation make sure that the plug does not turn when it is seated If the plug travel is very small and there is a large amount of plug stem inside the actuator it may be necessary to remove the yoke nut and lift the actuator so that the plug is not touching the seat 4 1 3 Stems attached with a stem connector In the case of air to retract actuators apply sufficient air pressure on the diaphragm to retract the stem completely Loosen the screws and remove the stem connector 4 1 4 Removal of actuator Disconnect all the ingoing and outgoing air and electrical connections from the actuator Loosen the yoke nut or attachment screws and lift the actuator making sure that the concentricity and or the thread of the bonnet is not damaged 4 2 Opening of the Pressurized Chamber Figures 17 18 and 19 Danger Prior to disassembly vent the process pressure and isolate the valve if necessary Note The valve must always be reassembled with new packing rings and gaskets before disassembly make sure that the appropriate parts are available 2014 General Electric Company All rights reserved A Remove the packing flange nuts 3 then remove the packing flange 4 and the packing follower 23 B Check that the exposed part of the valve plug stem 1 is clean enough for the bonnet 7
29. the radial ring 11F on the plug see Figure 9 Flow Tends to Open the open side is in the top Flow Tends to Close the open side is in the lower part Slip to the ring into the groove without spinning it as shown in Figure 9 This operation can be facilitated by heating the ring The temperature of the ring should not exceed 150 Keep the ring retained until it returns to room temperature and goes back in place within the groove Clamping with a collar SERFLEX type will help to properly the ring FTO a Pushing Pushing e SE Direction Figure 9 12 GE Oil amp Gas 6 2 2 41405 and 41505 valves Figures 17 and 19 These valves are equipped with metal rings the inner ring has a straight cut while the outer ring has a staggered cut To insert the rings into the cage groove open the rings slightly by hand and slide them one after the other along the plug making sure that the parts are not damage Note The cuts in the outer and inner rings are to be placed at about 180 from each other 6 2 3 41605 valve Figure 19 These valves are equipped with an inner elastomeric ring and a PTFE gasket Insert the elastomeric ring 11D in the groove Place the PTFE gasket 11C at a temperature of 100 C boiling water to 160 C for a few minutes to facilitate insertion then slide along the plug until it slips into the groove For optimum insertion of the ring a Serflex type ring co
30. trol valve and a manually operated throttling valve in the by pass line 3 3 Heat Insulation In case of heat insulated installation do not insulate the valve bonnet and take protection measures related to personal safety 6 GE Oil amp Gas 3 4 Hydraulic Test and Cleaning of Lines During this operation the control valve must not be used as an isolating valve This means that the valve must always be opened before carrying out pressure tests in the process line cleaning of pipes etc otherwise equipment damages or destroying of seal rings could result 3 5 Flow Direction The valve must be installed so that the controlled substance will flow through the valve in the direction indicated by the flow arrow located on the body 2014 General Electric Company All rights reserved 4 Disassembly 4 1 Removal of Actuator Figures 15 and 16 Access to the internal components of the body should be accomplished with the actuator removed To carry out this operation follow the instructions below and refer to the specific actuator instructions reference GEA19530A for a type 87 88 actuator and GEA31171 for the type 37 38 actuator 4 1 1 Disconnection of instruments Disconnect all mechanical couplings between the positioner and the other instruments on the one hand and the valve stem actuator stem coupling on the other hand 4 1 2 Plug stems screwed into the actuator stem In the case of air to retract actuators ap
31. use the hole as a guide to drill through the valve plug stem Torque T Distance X Shouldered stem Shouldered stem C min m e z a sl eo CNET nsu 127 1 2 15 87 5 8 19 05 3 4 Fs sez momre ustz usm 25 4 1 0 31 75 1 1 4 38 1 1 1 2 Figure 7 Two flats of wrench size E Plug shank Shouldered lt Standard 4 0 9 stem stem houldered stem Xo F t Y EL iil Dia Stem pin Standard stem Figure 8 2014 General Electric Company All rights reserved Masoneilan 41005 Series Globe Valve 11 6 1 4 Pinning means of a hammer introduce the pin into the hole Complete the pinning operation taking care to ensure that the pin is recessed by the same amount at both sides Using a ball tooling and hammer caulk the pin hole edge of the plug Place the assembly in the soft jaw chuck of a lathe to check alignment of the two parts correct any alignment defects 6 2 Assembly of Ring or Spring Energized Seal Ring 6 2 1 41305 valve Figures 9 18 and 19 These valves have a spring energized seal rings composed of a PTFE based jacket maintained expanding by a spring To insert the ring into the plug groove e Lubricate the entry chamber e Place the ring over the conical top of the plug so that the lips of the ring face to the pressure see Figure 9 Caution to the assembly direction of
32. valve plug or the auxiliary pilot plug in alternative directions After several rotations lift the valve plug turn it 90 and start again Lapping can be repeated but must be limited as much as possible so that the seat remains sufficiently narrow to guarantee tightness e Disassemble the parts clean them and put them back respecting the initial angle 5 2 3 Gasket seating surfaces Gasket seating surface must be free of dents scratches and corrosion otherwise they will need to be repaired 5 2 4 Seal rings and gaskets Spiral wound gaskets 10 14 and 36 must always be changed after disassembly Seal rings 11 11C or 11E can be reused if they are free of scratches erosion and corrosion 5 2 5 Valve plug valve plug stem If the valve plug has to be changed then the stem must also be completely changed to guarantee correct pinning of the assembly If only the valve plug stem has to be changed then the valve plug can be reused 2014 General Electric Company All rights reserved 6 Valve Reassembly 6 1 Pinning the Valve Plug Stem The valve plug 15 and stem 1 assembly consists of a rod threaded into the valve plug and pinned in place If the valve plug 15 or the auxiliary pilot plug 20 in the case of a 41405 valve needs to be replaced itis recommended using a new stem The hole of the original pin in an old stem often prevents satisfactory results being obtained and can seriously imp
33. xs xa coe P RM eerte edic sat ties dinates as 7 ceno Ac BEIGE en sind ay SERA eA OER aero Bao pie qe EI ee oe eS 7 4z Openin orte Pressured sedet Heh Sukh ple eb EH Gi Shee ieee addi ed 7 PING Sle oss Seen E 8 Te PIODPIUQ 5 ico aer ees ieee 8 5 MIGINECHGINES REDON s x theca Sete 9 Ota cat arte 9 WACO Gr Bee EU UU CT 9 6 Valve REGSSEMDIV cssc bea s Soe ewe ean 11 6b oue estet tuo dh teu 11 6 2 Assembly or hihgorSpring Energized Seal RING sss 25 doo Sos eq RE VER SIR be Pas LEE rb Seeds 12 OS GOs ee e en 13 6 4 Assembly ortne Parts Inside the Valve BOOY E ROS 13 Gos cc nel POMBO MNCs tae 15 ON BOG 14 15 T ACUO perigo A hie hae a a a a teehee ted et ees 16 LL Couplingo Actuator Type 16 Gee OF ACWIOTO ype S NOG wt aaah sobs

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