Forbes Marshall Piston Actuated Valve
Contents
1. If the expected performance is unachievable after the installation of Forbes Marshall piston actuated valve check the following points for appropriate corrective measure stuck FMPAV getting stuck Failure Mode Possible Cause Remedy Check the capacity charts media and pilot pressures FMPAV getting Check for the FMPAV direction for NC it should be from port 1 to 2 and for NO it should be from port 2 to 1 Check solenoid valve power supply Air leakage from the plugged Air Leakages port Check for lip seal damage or whether it is shifted Check the top O ring on the stem for damage Replace if found damaged Check the bottom O ring for shifting or damage If found damaged replace it Check the indicator O ring for shifting or damage If found damaged replace it Check the stem O ring for shifting or damage If found damaged replace it Body Bonnet steam leakage Gasket and O ring damaged Leakage through EE d Seat PTFE head damaged Replace the body bonnet gasket Check the pressure It should not exceed 9 barg Check for deposition of foreign particle between body and plug seal If damaged replace with new one 20 D Available Spares 4 Forbes i Marshall Trusted Partners Innovative Solutions SPARE CODE SPARE NAME 203962. Air Figure8 Solenoid Valve Solenoid valve mounting for NC valve Solenoid valve mounting for NC valve Figure 9 Solenoid valve mounting on FMPAV Note Make sure the power supply AC or DC given to the solenoid valve is in accordance to the specifications mentioned on solenoid valve 13 4 Forbes Marshall Trusted Partners Innovative Solutions 5 2 Flow Regulator Ref toFigure 10 It is used to regulate the maximum flow of NC or NO valves The regulator can also be used as amanual override on NO normally open valves Adjustment knob Locknut Figure10 Flow Regulator 5 3 Travel Switch Refer to Figure 11 Travel switch provides an change over contact which can be used for indicating the position of the valve and this signal is provided by a magnetic sensor and a non contact switch Type 1 Change over Maximum rating 1 Voltage V 250V 2 Current l 1A 3 Power P 25V CONNECTOR x CONNECTOR M12x1P MALE Lop r DETAILS OF VIEW X CONNECTOR CONNECTION DIAGRAM Dane BIS Bwa Figure 11 Travel Switch connection diagram 14 4 Forbes i Marshall Trusted Partners Innovative Solutions D Start up and Commissioning 6 1 6 2 6 3 Flushing of lines As part of pre installation all fluid handling equipment particularly piping should be thoroughly cleaned of scale and t
3. Fit a new PTFE seal and refit cap nut 11 applying Loctite 620 to the threaded portion Tighten the cap nut 11 to 15Nm Replace the valve body 5 For inspecting or replacing the stem O ring 1 or piston lip seal 2 hold the valve body 5 tightly and remove the actuator housing Remember that the internal spring 6 is under compression Also remove the valve body 5 as described in the previous steps Hold the valve head 7 unscrew the red travel indicator 3 and stem lock nut 4 and remove along with the two washers 8 12 Remove the piston stem O ring 1 and the washer 9 Check the piston lip seal 2 and O ring 1 replace if required 17 4 Forbes i Marshall Trusted Partners Innovative Solutions 9 Clean any dirt or waste deposits present on the inside of the piston housing area Apply Viton compatible inert grease to the O ring 1 and piston lip seal 2 10 Reassemble in reverse order 11 Refit the actuator cover and tighten to 50Nm for 63 mm actuator 12 Refit the valve body 5 replacing the body seal 10 and body O ring 13 and tighten to the recommended torque as specified in section 7 3 13 10 Figure 13 Normally open valves 18 4 Forbes i Marshall Trusted Partners Innovative Solutions 13 10 Figure 14 Normally closed Bi directional Normally Closed valves 19 D Troubleshooting 4 Forbes i Marshall Trusted Partners Innovative Solutions
4. Rz 8 50 90 Under sea 16 1 2 8 Note Maximum differential pressure with saturated steam is 9 bar g 180 C Differential Pressure for FMPAV BD Bi directional normally closed Maximum Maximum Pilot Valve Flow _ differential Flow _ differential pressure Size Actuator Direction pressure direction pressure min Max DN diameter 1 to 2 bar g 2to1 barg barg bar g 15 63 Over Sea 6 Under seat 16 3 8 10 20 63 Over Sea 16 Under seat 16 3 8 10 25 63 Over Sea 6 Under seat 11 3 8 10 40 63 Over Sea 12 Under seat 4 3 8 10 50 63 Over Sea 8 Under seat 2 5 3 8 10 40 90 Over Sea 16 Under seat 8 5 3 1 8 50 90 Over Sea 16 Under seat 6 3 1 8 Maximum differential pressure for all media pressures Note Maximum differential pressure with saturated steam is 9 bar g 180 C 3 4 Technical Details 3 5 Ze A Actuator size 63mm 2 2 diameter 90mm 3 2 diameter Pilot connection Ya BSP Ya BSP Leakage PTFE soft seal ANSI Class VI Flow Characteristics Fast opening On off Flow direction NC flow over seat Port 1 to 2 NO Flow underseat Port 2 to 1 BD Flow overseat Port 1 to 2 Flow underseat Port 2 to 1 Pilot media for Air water 60 C 140 F water a suitable drain line should be provided max Actuator housing 360 rotation Clockwise see sticker on actuator Max pilot pressure 10 bar g 145 psi g 8 bar g 116 p
5. 7 Pilot Media Pressure Relationship FMPAV NC flow over seat 1 to 2 63 mm actuator 90 mm actuator 63mm Actuator NC flow over seat 1 to 2 Weight 1 5 Ke 1 9 3 4 4 3 3 9 5 CO N 1 2 bar g va oe y Pilot pressure Pilot Pressure bar g N A O Media pressure bar g CH 4 2 4 6 8 10 12 14 16 18 Media pressure bar 10 4 Forbes i Marshall Trusted Partners Innovative Solutions FMPAV NO flow under seat 2 to 1 63 mm actuator 90 mm actuator 63mm Actuator NO flow over seat 2 to 1 1 0 o a 38 Ce a 06 S z a1 f 4 d 4 8 12 16 3 Media pressure bar g z2 0 2 4 6 8 10 12 14 16 18 Media pressure bar FMPAV BD flow over seat 1 to 2 63 mm actuator 90 mm actuator 63mm Actuator BD flow over seat 1 to 2 10 gs eg Bs 1 H g 6 i ai 3 i 0 4 8 12 16 a 2 Media pressure bar g n 2 4 6 8 1012 14 16 18 Media pressure bar D Product Working Principle The Forbes Marshall piston actuated valve is a two port pneumatically actuated on off valve They are made up of stainless steel and can be used on steam water air oil and gases A pneumatic signal is given to the actuator piston for either opening or closing the valve using the spring return action There is a PTFE sea
6. s are not included DN 40 and 50 FMPAV 90 3 3 Limiting Conditions Body design conditions DN 15 to 25 PN 25 Screwed butt and socket weld DN 40 amp 50 PN 16 Flanged ANSI DN 15 50 Class 150 Sanitary Clamp and tube compatible connections DN 15 50 PN 10 Maximum design temperature 180 C Maximum design temperature 10 C Maximum saturated steam pressure 9 bar g Maximum differential pressure See table below Differential pressure for FMPAV NC Normally closed 4 Forbes A Marshall Trusted Partners nnovative Solutions Maximum Pilot Pilot Valve Flow differential pressure pressure Size Actuator Direction pressure min max DN diameter 1 to 2 bar g bar g bar g 15 63 Over sea 20 1 5 10 20 63 Over sea 20 1 5 10 25 63 Over sea 20 1 5 10 40 63 Over sea 16 2 8 10 50 63 Over sea 11 2 8 10 40 90 Over sea 16 2 7 8 50 90 Over sea 16 2 7 8 Note Maximum differential pressure with saturated steam is 9 bar g 180 C Differential pressure for FMPAV NO Normally open Maximum Pilot Pilot Valve Flow differential pressure pressure Size Actuator Direction pressure min max DN diameter 1 to 2 bar g bar g bar g 15 63 Under sea 16 1 5 10 20 63 Under sea 16 1 5 10 25 63 Under sea 16 1 5 10 40 63 Under sea 16 1 5 10 50 63 Under sea 12 1 5 10 40 90 Under sea 16
7. 269 228 16 3 7 Plus 0 2 kg for travel switch or flow regulator option Dimensions D is the socket weld connections only FMPAV Sanitary clamp ends ISO 2852 Valve Size Actuator DN bore A2 B2 C E Weight 15 63 102 205 165 34 137 20 63 114 212 170 34 1 5 25 63 129 226 180 50 5 1 8 40 63 159 243 193 50 5 2 8 50 63 190 263 202 64 3 6 40 90 159 269 218 50 5 3 3 50 90 190 288 228 64 4 4 Plus 0 2 kg for travel switch or flow regulator option FMPAV ANSI 150 FLANGED ENDS Valve Actuator Size DN bore A3 B3 C Weight 15 63 140 191 165 2 3 20 63 152 200 170 2 1 25 63 165 213 180 3 5 40 63 203 232 193 6 2 50 63 229 250 202 8 40 90 203 258 218 67 50 90 229 276 228 9 2 Plus 0 2 kg for travel switch or flow regulator option 4 Forbes i Marshall Trusted Partners Innovative Solutions FMPAV Sanitary tube ends ASME BPE Valve Actuator Size bore A3 B3 C L D d DN 15 63 132 213 165 38 12 7 9 4 i 20 63 140 218 170 38 19 05 15 75 E 25 63 150 229 180 38 25 4 22 1 40 63 76 245 193 38 38 1 34 8 50 63 187 255 202 38 50 8 47 5 Figure 7 40 90 176 270 218 38 38 1 34 8 Dimensional drawing of 50 90 87 280 227 38 50 8 47 5 FMPAV Sanitary tube ends ASME BPE Plus 0 2 kg for travel switch or flow regulator option 3
8. 46 Spare Seal Kit DN15 S2039647 Spare Seal Kit S2039648 Spare Seal Kit 2039649 Spare Seal Kit 2039650 Spare Seal Kit 2039651 Spare Seal Kit DN40 FMPAV90 2039652 Spare Seal Kit DN50 FMPAV90 20102957 Spare Piston with seals Lip seal and actuator O ring FMPAV63 all sizes How to Order Valve Selection Guide 025 FMPAV 63 NC A S N E 1 2 3 4 5 6 7 8 1 Valve Size DN 15 20 25 40 50 2 Valve Type FMPAV Forbes Marshall Piston Actuated Valve 3 Actuator Size 63 mm diameter 90mm diameter 4 Valve Position NC Normally closed NO Normally open BD Bi directional 5 Connection A BSPT screwed B NPT screwed W Butt weld Note Pipeline connection as per ANSI B 36 10 Socket Weld Note Pipeline connections as per ANSI B 36 10 S Sanitary ISO2852 Note Camp and Clamp gaskets are not included X Sanitary Tube ends to ASME BPE Q Flanged ANSI 150 6 Options S Standard version with visual indicator F Flow regulator R REED switch 250V 1 amp 1 change over type standard 7 N NON IBR 8 Blank without solenoid valve 10 Warranty Period E Standard Solenoid valve 3 2 way 230V with bulkhead connector Solenoid valve with 110 24 Vac and 24 Vdc as option How to Order Spares Always order spares by specifying the valve size type and date code given on actuator calendar i e 906 month September year 2006 Example Seal kit 025 FMPAV as per part no S2039648 for code refer User Manual Sanitary tube ends
9. A d Installation and Maintenance Manual f Falera Trusted Partners Innovative Solutions Forbes Marshall Piston Actuated Valve FMPAV ProductHUB Installation and Maintenance Guide ANDROID APP ON gt Google play Energy Conservation Environment Process Efficiency www forbesmarshall com Forbes Marshall Forbes Marshall Arca Codel International Krohne Marshall Forbes Solar Forbes Vyncke Forbes Marshall Steam Systems 4 Forbes i Marshall Trusted Partners Innovative Solutions Table of Contents i NO E 1 2 Important Safety Notes EE 1 3 Brief Product d eer 4 4 Product Working EUREN SE 11 5 Installation Guidelines cccocdslacsnosmncosnclinediuas echelons neti 12 6 Start up anid COMMISSIONING Arcepctsrcreratarelawutonrdmencumatesn 15 7 Maintenance Guidelines fue uereggesteeesgeh Biber age nsie 16 8 TOUDIESKNOGUNG NEE 20 g Available Spares ersinnen inean EERE EEEE 21 10 Warranty Attert ee 21 PLEASE NOTE Throughout this manual this cautionary symbol is used to describe a potential damage or injury that might occur if the safety considerations are overlooked This symbol denotes CAUTION WARNING or DANGER 4 Forbes Marshall Trusted Partners Innovative Solutions Preface This manual is intended for anyone using commissioning servicing or disposing the below mentioned products safely and efficiently Forbes Marshall Piston Actuated Va
10. ASME BPE Aramide NBR gasket As per the ordering information and agreement in the contract 21 OW LAVVAVANS WIN SL7O SSIS 200 JUBLUNDON SIU JO s ua4U02 y Jo Aue Jo UOeDI dde 10 asn ay Jo AjauIpUL 10 p a2u nb suo e se padINIUI asian 10 eUOSJad ee 10 Soss s j qer Aue wiepsip Ajjeryinads pue suoissiWo 10 saDeanddeul 10 Ayi iqisuodsal ou auunsse s jueduio dno19 pue sagt S34eDOSSY S HLIPISqNS S JO WI dou JnoYyIM auey o p fqns s JUBWNIOD sjy u UOEUOJU au GALISIHOUd SI NOISSINY3d NILLIYM HOI LAOHLIM JYNSOTDSIA YO NOILNIYLSIG NOLLINGOYdIY ANY SLH IY AIN2dOHd TWALDITISLNI JHL YJANN NOILDJLOYd ONIAVH ANY 29 AVN ISV JHL SY IdSSW4 GSI JLVAIYd SWILSAS WVALS TIVHSYYIN S389404 YO LW QILINI 3LYAIYd TIVHSYYN S39Y04 4O A1Y3dOYd 3H1 JUV NISYIH SLNJLNOD TIV Formerly Spirax Marshall Pvt Ltd Forbes Marshall Steam Opp 106th Milestone Systems Pvt Ltd a ay o 2 o g i 2 e e Ae ae xog TES cya V S 2 eS a os OH a X oo D EE i DS oS H anbe bei S EE U e bei T S z Val Forbes Marshall Forbes Marshal Trusted Partners Innovative Soluti Bombay Poona Road Kasarwadi Pune 411 034 INDIA Tel 91 02135 393400 Tel 91 0 20 27145595 39858555 CIN No U27109PN1959PTCO1 1334 www forbesmarshall com Email seg forbesmarshall com
11. al PTFE 5 Valve Steam Stainless Steel AISI 316 6 Stem seal PTFE chevrons we Stem O ring Viton 8 Actuator housing Glass filled polyamide 9 Piston Glass filled polyamide 10 Piston lip seal Nitrile Not Shown 11 Gasket PTFE Sanitary tube ends ASME BPE 12 O ring Viton Aramide NBR Gasket 4 Forbes Marshall Trusted Partners Innovative Solutions 11 and 12 1 E Flow 1 to 2 Figure 1 Forbes Marshall Piston Actuated Valve Normally closed 11 and 12 1 11 and 12 1 Figure 3 Forbes Marshall Piston Actuated Valve Bi Directional Normally Closed FMPAV A 3 2 Sizes and Pipe Con nection Ad A Available Range Sizes DN 15 20 25 40 and 50 Sizes are available with 63 mm Actuator Forbes Marshall Trusted Partners Innovative Solutions Socket Butt Weld Weld Sanitary Flanged Valve Screwed to ANSI ANSI Clampto to ANSI Action BSPT NPT B 36 10 B 36 10 ISO 2852 150 NC Normally FMPAV NC A FMPAV NC B FMPAV NC W FMPAV NC I FMPAV NC S FMPAV NC Q Closed Flow over seat NO Normally FMPAV NO A FMPAV NO B FMPAV NO W FMPAV NO I FMPAV NO S FMPAV NO Q Open Flow under seat BD Bi directional FMPAV BD A FMPAV BD B FMPAV BD W FMPAV BD I FMPAV BD S FMPAV BD Q Normally Closed Flow under or over seat All options available with Note Clamp end
12. bly open spanner 16 17 mm A F open spanner 13 mm A F Loctite 620 on threads for plug upper and _ M8 nut valve stem Bonnet holding unit Torque wrench QL 200 16 4 Forbes i Marshall Trusted Partners Innovative Solutions 7 3 Torques Component Torque Range Retainer 50Nm Actuator Housing Assembly 50Nm Cap nut 15Nm DN15 35Nm DN20 45Nm Bonnet to body tightening DN25 50Nm DN40 60Nm DN50 70Nm 7 4 Maintenance Replacement Procedure Refer to Figures 13 and 14 To replace any of the spare parts of the product proceed as follows 2 2 3 4 5 Isolate the upstream and the downstream valves Vent off all the pilot pressure from actuator Disconnect the pilot pipe and remove the solenoid valve Remove the piston actuated valve from the pipe Remove the valve body and check if the PTFE head seal is damaged or broken Replace if necessary Note In the normally closed valves relieve the spring pressure acting on the head seal before removing the valve body to ensure no damage to the head seal This can be carried out in following two ways i Retain the valve body and undo the actuator cover to relax the spring force or ii Apply pressure by air at the inlet port of the actuator so as to compress the spring 6 and remove the spring force acting down on the head seal 7 For replacing the head seal 7 hold the valve head 7 tightly and remove the retaining cap
13. cover not with flow regulator and travel switch models Caution Butt weld and Socket weld versions must have the actuator removed prior to welding the body into the pipeline This can be carried out as follows 1 2 In case of NC and BD type FMPAV apply air pressure at the inlet port of the actuator which will compress the spring and remove the downward force then remove the actuator and valve stem In case of NO the actuator can be directly removed Accessories Available 4 Forbes i Marshall Trusted Partners Innovative Solutions 5 1 Solenoid Valves Refer to Figure 8 and 9 Refer to figure 6 for proper mounting of the solenoid valve onto the actuator Use the pilot connection marked NC for a normally closed valve and similarly NO for normally open valve When using water instead of air as the pilot media remove the cap from the exhaust connection and add a drain line Exhaust Air aa Ambient Temperature 60 CMax es L PAI Medium Filtered compressed air j Orifice NW 2 Fi Operating pressure bar 0 10 Moving Core AL is SE EH Subassembly Electric AC 50Hz DC Voltage V 10 Lt 220 24 oan Power Consumption 10VA pring Socket z P Duty cycle Continuous Electrical Connection MARA Type of coil protection Ip65 Class of insulation Class F Materials of construction Aluminium Outlet Air Inlet
14. el valve for use on steam water air oil and gases A pneumatic signal acts on the actuator piston to open or close the valve with a spring return action The valve plug has a PTFE soft seal to provide a tight shut off A valve position indicator is included on standard and flow regulator models 1 NC Normally Closed These valves are designed for flow over the seat port 1 to 2 Caution Not recommended for water hammer prevention 2 NO Normally Open These valves are designed for flow under the seat port 2 to1 Can be used to prevent water hammer on valve closure in liquid applications 3 BD Bi directional Normally Closed These valves are designed for special applications that require flow in both directions and incorporates an anti waterhammer design for liquid applications flowing under the seat port 2 to 1 Note To help prevent the possibility of water hammer on liquid applications flowing over the seat port 1 to 2 the pressure should not exceed 1 bar g Options 1 Flow Regulator Limits valve lift to regulate maximum flow 2 Pilot Solenoids 3 2 way solenoid valve for 230 VAC 110 VAC and 24 VAC and 24 VDC 3 Travel Switch Relays an electrical signal to indicate open or closed position of the valve Material Sr No Part Material Standard 1 Body Stainless Steel AISI 316 L 2 Bonnet Stainless Steel AISI 316 L 3 Plug Stainless Steel AISI 316 L 4 Plug Se
15. eration but Hydrogen Fluoride evolved from the product should be removed in compliance with local and national regulations Viton is insoluble in water PTFE Cannot be incinerated Keep PTFE in a separate vessel without mixing it with other materials for disposal Consign it to a landfill site PTFE gives rise to gaseous decomposition or fumes if heated above its sintering temperature which produces unpleasant effects if inhaled Hence it is recommended to have good local ventilation around the system In workshop where the PTFE is handled smoking should be prohibited because the reaction of tobacco with PTFE will give rise to polymer fumes Hence it is advised to avoid contamination of clothes with PTFE and to maintain personal cleanliness by washing hands after working with PTFE Customers and Stockist are reminded that when returning products to Forbes Marshall they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health safety or environmental risk This information must be provided in writing including Health and Safety data sheets relating to any substances identified as hazardous or potentially hazardous 4 Forbes i Marshall Trusted Partners Innovative Solutions EH Brief Product Information 3 1 Description The Forbes Marshall Piston Actuated Valve FMPAV is a 2 port pneumatically actuated on off stainless ste
16. he internal debris which accumulates during construction This is accomplished by blowing or flushing with air steam water and other suitable medium Note For a detailed procedure on flushing of lines please visit Forbes Marshall website Commissioning of valve with solenoid 1 Make sure the power supply AC or DC given to the solenoid valve is in accordance to the specifications mentioned 2 Refer Capacity chart to select the required pilot pressure corresponding to given pressure media 3 Observe the valve operation Commissioning of valve with flow regulator Refer to Figure 12 Adjustment knob Locknut Figure12 Flow regulator NC valves BD valves 1 Isolate the primary upstream and downstream valves and loosen the flow regulate lock nut Fully close the valve by rotating the adjustment knob clockwise Apply pilot pressure just sufficient to overcome the max differential pressure Open the primary upstream and downstream valves Now gradually open the valve by rotating the adjustment knob in anti clockwise direction Do so till the desired maximum flowrate is obtained and tighten the locknut of the regulator 6 Now exhaust the media pressure to check for tight shut off and after that again apply the media pressure to check max flow conditions NO valves 1 Fully open the flow regulator and loosen the regulator locknut 2 With the primary media flowing gradually keep closing the valve using the regulator u
17. l information sheet In case the need arises to use the product on any other fluid please contact Forbes Marshall for assistance ii Check for the suitability in conformance to the limiting conditions specified in technical information sheet of the product iii The correct installation and direction of fluid flow has to be determined iv Forbes Marshall products are not intended to resist external stresses hence necessary precautions to be taken to minimize the same 2 2 Accessibility and Lighting Safe accessibility and working conditions are to be ensured prior to working on the product 2 3 2 4 2 5 2 6 2 7 2 8 2 9 4 Forbes i Marshall Trusted Partners Innovative Solutions Hazardous environment and media The product has to be protected from hazardous environment and check to ensure that no hazardous liquids or gases pass through the product Depressurizing of systems and normalizing of temperature Ensure isolation and safety venting of any pressure to the atmospheric pressure Even if the pressure gauge indicates zero do not make an assumption that the system has been depressurized To avoid danger of burns allow temperature to normalize after isolation Tools and consumables Ensure you have appropriate tools and or consumables available before starting the work Use of original Forbes Marshall replacement parts is recommended Protective clothing Consider for the requirement of any
18. l to give the valve a tight shut off against any leakages A valve position indicator indicates the position of the valve 11 4 Forbes Marshall Trusted Partners Innovative Solutions D Installation Guidelines AI Note Before implementing any installations observe the Important Safety notes in section 2 Referring to the Installation and Maintenance Instructions name plate and 12 Technical Information Sheet check that the product is suitable for the intended installation There should be proper support to the connecting pipework to prevent any stress on the valve body The Forbes Marshall Piston Actuated Valve can be installed in any orientation the actuator can be rotated full 360 inthe direction as shown in the label Ensure that the valve is mounted correctly for the flow direction required The flow direction should be from 1 to 2 over the seat for normally closed and Bi directional applications and 2 to 1 under the seat for normally open applications Refer to Figure 1 2 3 A Bi directional FMPAV is a normally closed FMPAV with two actuating springs It should be ensured that the connecting pipework is isolated Make sure no loose material enters the valve body as that may damage the PTFE seal For the same reason keep the pipework also free from scale and dirt Make sure not to exceed the performance rating of the valve When valve is fully open a red travel indicator appears on the actuator top
19. lve FMPAV Sizes DN15 OO DN20 3 4 DN25 1 DN40 1 DN50 2 with 63mm diameter 90mm diameter actuator PLEASE NOTE Throughout this manual the following cautionary symbol is used to describe a potential damage or injury that might occur if the safety considerations are overlooked Important Safety Notes Read this section carefully before installing operating maintaining the product The precautions listed in this manual are provided for personnel and equipment safety Furthermore Forbes Marshall accepts no responsibility for accidents or damage occurring as a result of failure to observe these precautions Note that the product is designed to perform for non contaminated fluids only A contamination in the form of chemical foreign particle etc can lead to problem with product performance and life of the product If these products in compliance with the operating instructions are properly installed commissioned maintained and installed by qualified personnel refer Section 2 7 the safety operations of these products can be guaranteed General instructions for proper use of tools and safety of equipments pipeline and plant construction must also be complied with 2 1 Intended use Check if the product is suitable for intended use application by referring to the installation and maintenance instructions name plates and technical information sheets i The product is suitable for use as defined in the technica
20. ntil the desired maximum flowrate is achieved 3 Now tighten the locknut and apply sufficient pressure through pilot media to achieve tight shut off 4 Exhaust the media pressure to check maximum desired flow conditions once again Gi Ge 15 4 Forbes i Marshall Trusted Partners Innovative Solutions Maintenance Guidelines Before undertaking any maintenance on the product it must be isolated from both supply line and return line and any pressure should be allowed to safely normalize to atmosphere The product should then be allowed to cool With suitable isolation repairs can be carried out with the valve in the line 7 1 Routine and Preventive Maintenance Parameters to be checked Sr Frequency for checking and maintaining No Forbes Marshall Piston Actuated Valve Immediately Daily weekly Monthly Quarterly Half yearly Annually 1 Test Pilot pressure PET Tt fee SERGE Y Visual inspection for leakages 4 Arresting air steam leaks 7 2 Tool Kit Component Tool Size Retainer box spanner 30 mm A F Actuator cylinder top lid box spanner custom made 80 mm A F Actuator Housing Assembly Actuator cap spanner Indicator pin open spanner 8mm A F Se piston and lip open spanner 15mm A F Top lid tightening box spanner 27 mm A F Cap nut Torque wrench 60 134 Loctite 620 Bonnet to body tightening box spanner 30 mm A F Stem spacer ring assem
21. protective clothing for you or others in the vicinity for protection against hazards of temperature high or low chemicals radiation dangers to eyes and face noise and falling objects Permits to work All work to be carried out under supervision of a competent person Training should be imparted to operating personnel on correct usage of product as per Installation and Maintenance instruction Permit to work to be complied with wherever applicable in case of absence of this system a responsible person should have complete information and knowledge on what work is going on and where required arrange to have an assistant with his primary goal and responsibility being safety Warning Notices should be posted wherever necessary Handling There is a risk of injury if heavy products are handled manually Analyze the risk and use appropriate handling method by taking into consideration the task individual the working environment and the load Freezing Provision should be made to protect systems which are not self draining against frost damage in environment where they may be exposed to temperatures below freezing point tobe made 2 10 Disposal and returning the products While disposing the following please take care that 4 Forbes Marshall Trusted Partners Innovative Solutions Viton lf in compliance with National and Local regulations it can be disposed underground Can be burned Incin
22. si g Operating range saturation curve Temperature C 15 End Connections 20 25 Screwed Butt and Socket Weld A A Max operating pressure on saturate steam 9 bar g 130 psi g B B Max operating pressure DN 40 and 50 16 bar g 232 psi g C C Max operating pressure DN 15 to 25 25 bar g 360 psi g Flanged ANSI DN 15 50 Class 150 Sanitary Clamp and Tube Ends DN 15 50 FMPAV10 Kv Values Size DN15 DN20 DN25 DN A0 DN 50 Kvs 4 2 7 8 18 6 42 51 6 For conversion Cv UK Kv x 0 97 Cv US 1 17 Forbes Marshall Trusted Partners Innovative Solutions Pressure bar g 4 Forbes i Marshall Trusted Partners Innovative Solutions 3 6 Product Dimension and Drawing Dimensions weights approximate in mm and Kg Figure 4 Dimensional drawing of FM PAV screwed Butt amp socket weld ends Figure 5 J Dimensional drawing of FMPAV Sanitary DETAILS M clamp ends 1SO 2852 Figure 6 Dimensional drawing of FMPAV ANSI Flanged Ends FMPAV screwed Butt amp socket weld ends Valve a Actuator Size bore DN Al B1 C D Weight 15 63 65 186 155 5 Lk 20 63 75 192 170 7 1 3 25 63 90 206 180 8 1 5 40 63 120 224 198 12 2 4 50 63 150 243 202 16 2 9 40 90 120 249 218 12 2 9 50 90 150
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