Mounting and operating instructions EB 8222 EN
Contents
1. position 0 angle of rotation 3 Fasten the yoke 3 to the flange of the valve shaft with two or four screws de pending on the nominal size A Slide the actuator with the actuator shaft over the valve shaft 4 and screw down to the yoke 3 with four screws 5 Loosen the stop screw 13 2 again 6 Adjust the other stop screw so that the valve is completely closed In addition align the markings on the shaft and packing flange 7 Apply a supply pressure required for the spring range see nameplate to the loading pressure connection to open the valve 8 Screw back in the stop screw 13 1 until the valve reaches its open position 90 angle of rotation 9 Secure both stop screws with their lock nuts Control valve OPEN without supply air 1 Loosen both stop screws 13 1 and 13 2 at the rotary actuator then screw back in the stop screw 13 2 until the actuator shaft s grooves are aligned horizontally and vertically to the actua tor axis EB 8222EN 7 Installation 2 Place the segmented ball 8 of the valve at its open position 90 angle of rotation 3 Fasten the yoke 3 to the flange of the valve shaft with two or four screws de pending on the nominal size 4 Slide the actuator over the valve shaft 4 and screw tight to the yoke 3 with four screws 5 Loosen the stop screw 13 1 again 6 Apply a supply pressure required for the spring range see nameplate to the oading pres2. Pneumatic Control Valve Type 3310 AT and Type 3310 3278 Type 3310 Segmented Ball Valve Fig 1 Type 3310 AT Fig 2 Type 3310 3278 with attached positioner Mounting and operating instructions EB 8222 EN Edition October 2002 Contents Contents l 2 2 1 2 1 1 2 1 2 2 2 2 4 3 1 4 1 4 2 4 3 URS Page Design and principle of operation 2 2222er 4 Le AA A Eee BS 6 Assembling valve and actuator 22222 22 2 on nn 6 TIPS SS POSRER u mia ar Ar Ar a A e e e 6 Type 3310 3278 23 22 su ee bee Soe ee bes 7 MOURIING POSTOR 3 20 3 28 4 0 A a ada i we A 8 Loading pressure connection 2 a a 8 Operaio ns a in ee a een de 9 Changing the fail safe action 222222 oo onen 9 Maintenance replacing parts 22 2 CC Coon 9 Replacing the packing 2222 2 2m oo nn 10 Replacing the seatring 2 10 Replacing the segmented ball shafts and bearings 2 12 Changing the characteristics 22 222 Como 14 Description of nameplate 2 222 aaa aa 15 ACCOSSOMES 0 4 5 BR an ir aa a a a a BEE a 16 Customer inquiries 23 i oy ee Bla eR Aa ara ie 16 2 EB8222 EN Safety instructions General safety instructions The control valve may only be mounted started up or serviced by fully trained and qualified personnel observing the accepted industry codes and practices Make sure employees or third persons are not exposed to any danger All safety instructions
3. alve to closed position 0 angle of ro tation 6 B8222 EN 2 Fasten the yoke 3 to the flange of the valve shaft using two or four screws de pending on the nominal size 3 If necessary place the shaft adapter on the valve shaft then slide the actuator over the adapter or valve shaft 4 and screw onto the yoke with four screws 4 Adjust the stop screws 12 1 or 12 2 de pending on the direction of rotation to close the valve completely In addition align the markings on the shaft and packing flange 5 Secure the position of the stop screw with its lock nut 6 Apply a signal pressure to the loading pressure connection which corresponds to the number of springs in the actuator see nameplate 7 Adjust the other stop screw so that the segmented ball stops at 90 angle of ro tation 8 Secure the position of the stop screw with its lock nut Control valve OPEN without supply air 1 Place the segmented ball 8 of the valve at its open position 90 angle of rotation 2 Fasten the yoke 3 to the flange of the valve shaft using two or four screws de pending on the nominal size 3 If necessary place the shaft adapter on the valve shaft then slide the actuator over the adapter or valve shaft 4 and screw onto the yoke with four screws 3 1 4 Adjust the stop screw 12 1 or 12 2 de pending on the direction of rotation so that the valve is completely open at 90 In addition al
4. and warnings in these instructions particularly those concerning installation start up and maintenance must be observed The control valve fulfills the requirements of the European Pressure Equipment Directive 97 23 EC Valves with a CE marking have a declaration of con formity that includes information on the applied conformity assessment proce dure The Declaration of Conformity can be viewed and downloaded from the SAMSON website at www samson de For appropriate operation make sure that the control valve is only used in areas where the operating pressure and temperatures do not exceed the oper ating values based on the valve sizing data submitted in the order The manu facturer does not assume any responsibility for damage caused by external forces or any other external influence Any hazards which could be caused in the control valve by the process me dium operating pressure signal pressure or by moving parts are to be prevented by means of the appropriate measures Proper shipping and appropriate storage are assumed Caution For installation and maintenance work on the valve make sure the relevant section of the pipeline is depressurized and depending on the process me dium used drained as well If necessary allow the control valve to cool down or warm up to reach ambient temperature prior to starting any work on the valve When working on the valve make sure that the supply lines for the air supply as well as the co
5. angle to the pipeline when the valve is closed 1 Insert the segmented ball 8 into the valve body 2 Push first the bearing bushing 4 1 into the body then align the shaft 4 and use an assembling tool fo press the bearing bushing into the segmented ball Use the part of the tool that is in the bearing of the support shaft to slide the segmented ball 8 onto the shaft 4 and attach the retaining ring 4 3 4 Insert the locking pin 5 4 into the bores of the support shaft 5 then posi tion the complete support shaft parts 5 5 2 5 3 and 5 4 on the bearing bush ing 5 1 and use the packing flange 2 to press them in Align the segmented ball 8 centrally Screw the threaded pin 5 2 against the clamping bolt 5 3 to obtain a force locking connection between the support flange and segmented ball Attach the packing with spacer 2 7 washer 1 6 spring 2 5 thrust Maintenance replacing parts washer 2 4 packing 2 3 and flange 2 Note Check friction torque initial breakaway torque needed to open the valve in the table on page 14 Proceed as described in chapter 4 2 if the torque is different than specified 1 Body A Shaft 4 1 Bearing bushing 4 3 Retaining ring 5 Support shaft 5 1 Bearing bushing 1 11 10 IS DEE SS 03 FERS WENN IN 3 N NI SOS 5 del Fig 6 Sectional diagram N Threaded pin Clamping bolt Locking pin Segmented ball Bott
6. e action of the control valve which becomes effective when the supply air signal pressure fails is determined in Type 3310 AT Type SRP single acting ver sion by the version used and in Type 3310 3278 by how the pneumatic actuator is mounted to the valve Control valve CLOSED without supply air The actuator springs close the valve when the signal pressure is reduced or the supply air fails When the signal pressure increases the valve is opened acting against the spring force Control valve OPEN without supply air The actuator springs open the valve when the signal pressure is reduced or the supply air fails When the signal pressure increases the valve is closed acting against the spring force The Type DAP Double acting Rotary Actua tor has no springs A defined final position is not reached when the supply air fails 12 12 1 ES Type Pfeiffer AT Actuator EL Ea 12 2 Design and principle of operation Type 3278 Actuator 13 2 13 1 11 2 5 4 5 3 5 1 5 2 5 au an Z Zi No 5 277 SS SY de t LY N vag ae NN NSS FT EL KS gt 10 10 1 VA Y Su Asl N N SIR RASS tea Ey Y SEBBN NN EN SID 1 d O N NND gt i NI LES Jj X ARS SN 10 3 See Fig 5 for detailed view of A Fig 3 Sectional view of the valve and actuators 3 1 3 Z3 2 4 2 5 2 6 2 7 4 4 1 4 3 Body Packing flange Bear
7. e friction torque is different from the torque specified in the table proceed as fol lows Om Ooo EISSA j RRAN EEE Z L RRQ KES LEER 2 Q RS SL RRR RES a es S Soft sealing Sealing Fig 5 Seat ring seal N SS SS A AS I HM S gt Ny gt 11 4 Metal sealing Maintenance replacing parts Version with soft sealing Turn the segmented ball clockwise by 360 in the valve body two or three times to let the seal adapt itself Version with metal sealing Change the number of washers used 11 4 If necessary omit the bottom washer on the valve body side 1 Body 8 Segmented ball 11 Retainer 11 1 Screw 11 2 Washer a Soft sealing p 11 7 Support ring Q 11 8 PTFE seot ring Metal sealing 11 4 Washer 11 5 Metal tubular seal 11 6 Metal seat ring EB 8222 EN 11 Maintenance replacing parts 4 3 Replacing the segmented ball shafts and bearings Note No clearance may exist between the seg mented ball and shafts Therefore the shafts need to be replaced as well when the seg mented ball is replaced with a new one Furthermore the bearing bushings seat rings and the ring and gasket on the bottom flange need to be replaced as well 1 Unscrew both bolts 10 3 and lift off bottom flange 10 together with the ring 10 2 Renew the flange gasket 10 1 2 Unscrew the threaded pin 5 2 out of the shaft and remove the clamping bolt 5 3 Make sure that the l
8. ign the markings on the shaft and packing flange 5 Secure the position of the stop screw with its lock nut 6 Apply a signal pressure to the loading pressure connection which corresponds to the number of springs in the actuator see nameplate 7 Adjust the other stop screw so that the segmented ball is completely closed In addition align the markings on the shaft and packing flange 8 Secure the position of the stop screw with its lock nut 2 1 2 Type 3310 3278 If the valve and actuator have not been as sembled by the manufacturer proceed as follows to mount the actuator onto the body flange 1 or 2 depending on the charac teristic and fail safe position 1 and 2 are cast onto the correspond ing sides of the valve body Fail safe position Body flange Equal percent Valve CLOSED Valve CLOSED Linear Valve OPEN The rotary actuator can be placed as re quired either vertically or horizontally at a 90 angle to the segmented ball valve The motion from the actuator is transmitted by the actuator shaft with four feather key not ches arranged at 90 intervals 1 Installation Control valve CLOSED without supply air 1 Completely loosen both stop screws 13 1 and 13 2 at the rotary actuator then screw back in the stop screw 13 2 until the actuator shaft s grooves are aligned horizontally and vertically to the actuator axis 2 Place the segmented ball 8 of the valve at its closed
9. ing bushing Screws Packing Thrust washer Spring Washer Spacer Yoke Screws Shaft Bearing bushing Feather key Retaining ring Support shaft Bearing bushing Threaded pin Clamping bolt Locking pin Segmented ball Bottom flange Flange gasket Flange ring Flange bolts Retainer Screw Washer Flat gasket Washer Metal tubular seal Seat ring metal Support ring Seat ring PTFE Type AT Actuator Stop screw Stop screw Type 3278 Actuator Stop screw Stop screw EB 8222EN 5 Installation 2 Installation 2 1 Assembling valve and actuator 2 1 1 Type 3310 SRP If the valve and actuator have not been as sembled by the manufacturer proceed as follows NOTE In the standard actuator version SRP single acting with spring return the spring return mechanism is designed for a valve which closes clockwise when there is no sig nal pressure Should another direction of rotation or a double acting actuator DAP double ac ting without spring return be required this must be specified on ordering the actuator Valve CLOSED Clockwise Equal percentage Valve CLOSED Counterclockwise Linear Valve OPEN Valve OPEN Equal percentage The rotary actuator can be placed as re quired either vertically or horizontally at a 90 angle to the segmented ball valve by transmitting the motion via a square ended shaft Control valve CLOSED without supply air 1 Position the segmented ball 8 of the v
10. ng this direction of flow is that the pressure of the process medium is constantly acting on the packing On tighte ning the flange bolts make sure that an even pressure is exerted on the flat gaskets 2 4 Loading pressure connection The loading pressure connection of rotary actuators is a G 1 8 female threaded bore for small actuators and a G 1 4 bore for larger actuators The connection allows in compliance with VDE VDE 3845 guidelines the connection of a solenoid valve e g Type 3963 or a limit switch with or without a solenoid valve Type 3776 3777 When combined with SAMSON posi tioners the accessories required for the con nection are included in the delivery 3 Operation 3 1 Changing the fail safe action The fail safe action can be changed in the Type 3278 Actuator after delivery from Control valve CLOSED without supply air to Control valve OPEN without supply air and vice versa For this the attachment side of the rotary actuator must be changed see the table on page 7 The pistons in the Type SRP Actuator must be reversed Note Refer to the mounting and operating instruc tions of the rotary actuator used for further details about for example changing the spring range to obtain other actuator tor ques Operation 4 Maintenance replacing parts The control valve is subject to natural wear especially at the seat segmented ball and packing Depending of the application con ditions
11. ntrol signal are disconnected to prevent any hazards that could be caused by moving parts EB 8222 EN 3 Design and principle of operation 1 Design and principle of operation The pneumatic control valve consists of the Type 3310 Segmented Ball Valve and either the Type Pfeiffer AT or Type 3278 Pneu matic Rotary Actuator The control valve is used for both throttling and on off services in process engineering and plants with industrial requirements It is suitable for liquids vapors and gases within a temperature range of 29 to 220 C and for nominal pressures ANSI Class 150 and 300 The segmented ball valve in nominal sizes DN 1 to 10 is available with soft or metal sealing A code number on the nameplate located on the valve body indicates which type of sealing is used The process medium flows through the valve The signal pressure acting on the rot ary actuator determines the position open ing angle of the segmented ball 8 and therefore the flow rate across the open area between the segmented ball and valve body 1 The actuator motion is transmitted to the seg mented ball valve by a square ended shaft or a feather key end of the valve shalt The valve shaft 4 is sealed by a self adjust ing packing 2 3 Valves in sizes DN 1 to 6 contain a packing made of PTFE V rings and valves in sizes DN 8 to 10 have a compound packing with PTFE silk cord 4 EB 8222 EN Fail safe action The fail saf
12. ntrol valve please submit the follow ing details Order number mentioned on the nameplate Type product number nominal size and valve version Pressure and temperature of the process medium Flow rate in m3 h Signal pressure range spring range of the actuator Installation drawing 16 EB 8222 EN EB 8222 EN 17 SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8222 EN S Z 2003 05
13. ocking pins 5 4 do not get lost Press out the support shaft If this is not possible screw in a screw with a washer see table listing special tools in place of the threaded pin Turn ing the screw against the washer loosens the support shaft 3 Pull the bearing bushing 5 1 out of the body 4 Unthread screws 2 2 and lift off the packing flange 2 together with the bearing bushing 2 1 5 Use snap ring pliers to pull the retaining ring 4 3 off the shaft and pull the shaft out of the body using diassembling tool 6 Remove all packing parts with the ap propriate tool from the packing space and clean packing space thoroughly 12 EB 8222 EN 7 Remove the lower bearing bushing 4 1 8 Take the segmented ball out of the body For DN 1 1 1 2 and 2 sizes the segmented ball must be removed from the retainer side Proceed as described in chapter 4 2 dismantling first the re tainer and the seat ring parts Reassembly We recommend purchasing the assembly tools listed in the table on page 14 for reas sembling the valve To assemble the valve proceed in the reverse order as described in disassembly Observe the tightening torques of the screws for the packing flange and bottom flange listed on page 14 On inserting the shaft 4 into the body and the segmented ball make sure that the shaft is aligned correctly with the segmented ball the red marking on the shaft must be posi tioned at a right
14. off packing flange 2 with the bearing bushing 2 1 2 Remove all packing parts from the pack ing space using a suitable tool Clean them thoroughly ga Sy A gt de Y 2 S S Ah S Fig 4 Packing 10 EB 8222 EN 3 Renew packing 2 3 then push new packing parts over the shaft 4 into the packing space 4 Push the packing flange 2 together with bearing bushing 2 1 onto the shaft 4 Screw tight packing flange using screws 2 2 4 2 Replacing the seat ring 1 Remove both anchoring screws 11 1 with washers 11 2 2 Take out the retainer 11 with the flat gasket 11 3 Should you be unable to remove the re tainer use the special tool listed in the table on page 14 Version with soft sealing 3 Remove the support ring 11 7 and the seat ring 11 8 Version with metal sealing 3 Remove in sequence the washer s 11 4 the metal tubular seal 11 5 the seat ring 11 6 and the back washer s 11 4 Reassembly To reassemble proceed in the reverse order Special tools are not necessary The retainer can be pressed into the body using for example a blank flange by tight ening the flange bolts accordingly Prior to this it is absolutely necessary to place the valve in its closed position to center the seat ring and segmented ball Note Check the friction torque initial breakaway torque needed to open the valve in the table on page 14 If th
15. om flange Flange gasket 8 11 1 52 93 De 11 2 Flange ring Flange bolts Retainer Screw Washer Flat gasket NA IH N 43 4 41 EB 8222 EN 13 Changing the characteristic 5 Changing the characteristic ried out by changing the actuator s direc tion of rotation Changing the characteristic from equal per See the table in chapter 2 1 1 and 2 1 2 centage to linear and vice versa can be car Special tools table DN Extracting tool Extracting tool Assembling and disassembling tool for retainer 11 for support flange 5 for the shaft stes ele Press tool Press tool ES 9 support shaft actuator shaft 1 Order no 1281 0011 A O 1281 0007 1281 0019 i 1281 0026 1281 0023 2 1281 0013 1281 0008 1281 0020 Ss 1281 0014 1281 0015 4 1281 0009 1281 0027 1281 0021 1281 0024 Far 1281 0016 Ba 1281 0017 1281 0010 1281 0028 1281 0022 1281 0025 1281 0018 A Shaft with square end Shaft with feather key notch or torque wrench DN 1 1 1 2 2 3 1281 0029 1281 0032 1281 0033 Tightening torque table Nominal size DN Tightening torque Nm Screws 2 2 on packing flange Screws 10 3 on bottom flange Friction torque table Nominal size DN Friction torque Nm soft seal to open the valve metal seal 14 EB 8222 EN Description of nameplate 6 Description of nameplate Inspection stamp Type no 3310 X X Modification index of the combination Nominal size DN Serial n
16. sure connection to close the valve 7 Adjust the stop screw 13 1 until the valve is completely closed by the seg mented ball In addition align the mark ings on shaft and packing flange 8 Disconnect supply pressure 9 Screw back in the stop screw 13 1 until the segmented ball stops at 90 angle of rotation in the open position 10 Secure both stop screws with their lock nuts 2 2 Mounting position Note Prior to installing the valve into the pi peline place it in the CLOSED position to allow the seat to be centered properly with the segmented ball The control valve can be installed into a pi peline either vertically or horizontally how ever the following points regarding the di rection of flow must be observed Install the valve in the pipeline so that the lower half of the segmented ball opens into 8 EB8222 EN the flow This helps avoid dirt deposits from accumulating which could prevent the valve from opening The direction of medium flow into the convex of the ball also prevents the medium from collecting unnecessarily in the shaft bearings The standard direction of flow into the con vex face is indicated by the manufacturer by an arrow on the valve body Should the direction of flow be reversed e g required for abrasive media it is necessary to indicate the reversed direction by using the arrow plate and the two slotted pins included in the control valve delivery The result of usi
17. that prevail the valve must be in spected at appropriately scheduled intervals to prevent any problems before they occur If any leaks occur to the atmosphere the packing may be leaking If the valve does not seal properly this may be because tight shut off is prevented by dirt or other impurities between the seat ring and segmented ball or because the seating surfaces have been damaged If you intend to remove parts to clean them first mark the position of the seat ring 11 8 in the body for versions with soft sealing This will help you to replace the seat ring in its correct position on reassembling the valve Proceed as described in chapter 4 2 to re place the seat ring 11 6 or 11 8 with new ones Caution If you intend removing parts from the valve remove the valve from the pipeline To proceed first relieve the corresponding plant section of press ure and drain it Let the plant section cool down if necessary Note Prior to performing any work on the valve body the actuator must be removed first EB8222EN 9 Maintenance replacing parts Removing the actuator 1 Unscrew the two or four screws on the flange of the valve shaft and pull off the actuator together with the yoke 3 4 1 Replacing the packing The valves in nominal sizes DN 1 to 6 are fitted with a V ring packing and valves in sizes DN 8 and 10 with a silk cord and compound packing 1 Loosen the screws 2 2 and take
18. umber Flange version Left blank Standard version ASME B16 5 0 06 Raised Face ANSI DIN 03 Raised Face with 1 4 male face20 Raised Face EN 1092 1 Form B1 04 Ring Joint 21 Flat Face 05 Large Male Face 22 Male Face 06 Small Male Face 23 Female Face 07 Large Tongue 24 Tongue 08 Small Tongue 25 Groove 09 Small Groove 99 Special flange version Surface treatment segmented ball seat ring Left blank Both hard chrome plating 9 Segmented ball Special treatment 99 Seat ring Special treatment Body material Body A216 WCB or A351 C351 CF8M ANSI Class or nominal pressure PN Flow coefficient Kvs or Cv and Characteristic equal percentage linear Direction of flow and maximum opening angle Seat plug sealing Left blank metal PTFE soft Fig 7 Labeling key for valve nameplate EB 8222 EN 15 Accessories 7 Accessories DN Actuator AT Connecting flange Mounting kit Actuator cm Mounting kit Type SRP DAP DIN 3337 Order no Type 3278 Order no 60 1400 7316 en 11 2 1400 7317 1400 7348 160 FO7 1400 7239 1400 7239 1400 7252 1400 7239 1400 7239 1400 7732 1400 7240 1400 7240 1400 7241 320 F12 1400 7255 1400 7240 1400 7241 1400 7241 1400 7755 1400 7243 1400 7243 1400 7243 8 Customer inquiries Dimensions Refer to the Data Sheet T 8222 EN for de Should you have any questions regarding tails about dimensions and weights the co
Download Pdf Manuals
Related Search