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Installation, Operation and Maintenance Manual

MAN 564_EAC Rev. 2

June 2020

Biffi ALGA - EAC

Double-Acting Pneumatic Actuator

Copyright © Biffi. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website www.biffi.it or from your nearest Biffi Center:
Biffi Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) –

Italy PH:

+39 0523 944 411 – [email protected]

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Summary of Contents for ALGA-EAC Series

Page 1: ...atic Actuator Copyright Biffi The information in this document is subject to change without notice Updated data sheets can be obtained from our website www biffi it or from your nearest Biffi Center Biffi Italia s r l Strada Biffi 165 29017 Fiorenzuola d Arda PC Italy PH 39 0523 944 411 biffi_italia biffi it ...

Page 2: ...Rev 2 Revision Details Revision Details Rev Date Description Prepared Checked Approved 2 June 2020 General update migration to new template 1 March 2018 Updated data plate Ermanni Orefici Vigliano 0 January 2017 Document release Ermanni Orefici Vigliano Revision Details ...

Page 3: ...n Actuator Receipt 4 2 2 Actuator Handling 4 2 3 Storage 7 2 4 Actuator Assembly on the Valve 7 2 4 1 Types of Assembly 7 2 4 2 Assembly Procedure 12 2 5 Pneumatic Connections 13 2 6 Electrical Connections If Any 14 2 7 Commissioning 15 Section 3 Operation and Use 3 1 Operation Description 16 3 2 Residual Risks 22 3 3 Calibration of the Angular Stroke 22 3 4 Calibration of Micro switches If Forese...

Page 4: ...nce 36 5 2 1 Replacement of Cylinder Seals 36 5 3 MHP Hydraulic Manual Override Maintenance and Trouble Shooting 45 5 3 1 Operation 45 5 3 2 Manual Operation 45 5 3 3 Remote Operation 45 5 3 4 Setting 46 5 4 Lubrication of Mechanism 48 5 5 Dismantling and Demolition 49 Section 6 Troubleshooting 6 1 Failure or Breakdown Research 50 Section 7 Layouts 7 1 Spare Parts Order 51 7 2 Parts List for Maint...

Page 5: ...2014 34 EU Directive and safety instructions for use in hazardous area TR TS 004 2011 Customs Union Technical Regulation For safety of low voltage equipment TR TS 010 2011 Customs Union Technical Regulation For safety of equipment and machines TR TS 012 2011 Customs Union Technical Regulation For safety of equipment operated in explosive atmosphere TR TS 020 2011 Customs Union Technical Regulation...

Page 6: ...ls that were used or installed improperly or were modified or repaired by unauthorized staff In the event that a fault condition be caused by improper installation maintenance or use or by irregular working conditions the repairs will be charged according to applicable fees The warranty and Biffi Italia s r l liability shall lapse in the event that any modification or tampering whatsoever be perfo...

Page 7: ...s to fix the actuator to the valve either directly or if required with the interposition of an adaptor flange or a mounting bracket The actuator yoke has a hole with keyways suitable for the assembly of an insert bush the internal hole of which is machined by Biffi or at Customer s care according to the shape and dimensions of the valve stem Biffi can supply different types of control system follo...

Page 8: ...een made at the factory If the actuator is delivered separately from the valve it is necessary to check and if required to adjust the settings of the mechanical stops Section 3 4 and of micro switches if any Section 3 5 2 2 Actuator Handling NOTICE The lifting and handling should be made by qualified staff and in compliance with the laws and provisions in force WARNING The fastening points are app...

Page 9: ... ALGA MHP ALGA MSJ actuators Figure 5 Lifting points for ALGA ALGA MHP ALGA MSJ actuators 1 Point of support 2 Supports for lateral positioning 3 Don t lay the actuator on tie rods of cylinder s and don t lay the actuator on accessories manual handpump manual jackscrew pneumatic control group etc 1 2 Lifting points obligatory 3 Balancing point ...

Page 10: ... the ropes to prevent the load shifting sideways in an uncontrolled manner Use slings of such length that the angles of the leg from vertical are as narrow as possible αMAX 20 During handling do not transport the suspended actuator above staff members in charge of the operation WARNING Do not use the lifting eyelets on actuator to lift valve actuator assembly Figure 6 WARNING Any lifting method di...

Page 11: ...at guarantee perfect tightness Coat with oil grease or protection disc the valve coupling area Periodically operate the actuator Section 3 3 2 4 Actuator Assembly on the Valve 2 4 1 Types of Assembly For coupling to the valve the housing is provided with a flange with threaded holes according to Biffi standard tables SCN6200 SCN6200 1 SCN6201 SCN6201 1 The number dimensions and diameter of the hol...

Page 12: ...N 564_EAC Rev 2 Installation Section 2 Installation Dimensions in millimeters Actuator model Ø d1 Ø d2 Ø d3 Ø d4 N h1 h2 H max Ø d5 W K Drive sleeve N THREADED HOLES PCD holes number and size according to ISO 5211 but the holes are on centerline instead of straddle the centerline Top view of the scotch yoke mechanism actuator shown in closed position Flow line N 8 holes flange N 4 holes flange Tab...

Page 13: ... 242 8 42 840 310 603 M36 16 12 32 400 220 50 242 8 Installation Operation and Maintenance Manual MAN 564_EAC Rev 2 June 2020 Installation Section 2 Installation Dimensions in millimeters Actuator model Ø d1 Ø d2 Ø d3 Ø d4 N h1 h2 H max Ø d5 W K Figure 8 Drive sleeve N THREADED HOLES PCD holes number and size according to ISO 5211 Top view of the scotch yoke mechanism actuator shown in closed posi...

Page 14: ...HOLES Flange sizing according to ISO Top view of the scotch yoke mechanism actuator shown in closed position Flow line Table 3 If required for the standard models size 0 3 to 6 Biffi can supply an insert bush with un machined bore in accordance with Biffi standard table SCN6202 On request the insert bush bore can be machined by Biffi to couple the valve stem provided its dimensions match the maxim...

Page 15: ...e yoke can be machined according to the dimensions of valve stem Flow line N 4 holes flange N 8 holes flange Drive sleeve Snap ring Housing Insert bush Insert bush Adaptor flange Drive sleeve Standard position 1 Position 2 Position 3 Position 4 Position 2 Position 3 Position 4 Rotate insert bush 180 around vertical standard position 1 Rotate insert bush 180 around axis A A from position 2 Rotate i...

Page 16: ...ion as shown on the documentation complies with system s geometry Check the consistency of the parts of actuator valve coupling Operate the actuator so that it reaches the position matching valve position Section 3 3 Lubricate valve stem with oil or grease Properly clean and remove grease from coupling flange surfaces Connect if supplied separately the adjustment insert to valve stem and fasten it...

Page 17: ...d connections appropriate as for type material and dimensions Properly de burr the ends of rigid pipes Properly clean the interior of pipes sending through them plenty of the supply fluid used in the system Mould and fasten the connection pipes so that no irregular strains at entries or loosening of threaded connections occur Make the connections according to the operating diagram Check the absenc...

Page 18: ...pril 2016 2014 35 EU from 20 April 2016 2004 108 EC Directive for the electromagnetic compatibility until19 April 2016 2014 30 EU from 20 April 2016 94 9 CE Directive and safety instructions for use in hazardous Area until 19 April 2016 2014 34 EU from 20 April 2016 Remove plastic plugs from cables entries Screw firmly the cable glands Introduce connection cables Make the connections in compliance...

Page 19: ...e dehydration are as prescribed Check that the feed voltage values of the electric components solenoid valve coils micro switches pressure switches etc are compatible with those reported on the identification plate of the actuator Figure 1 Check that the setting of the components of the actuator control unit pressure regulator pressure switches flow control valves etc meet the plant requirements C...

Page 20: ...r chamber for example opening The cylinder piston stroke causes the actuator operation and the consequent valve movement to the operational position requested in this case to the open position Upon a demand the closing chamber the cylinder is fed by pressurized gas and at the same time the gas is discharged from the open chamber into the return line the actuator performs the closing operation driv...

Page 21: ...oke bushing 4 Cover 5 Guide block pin 6 Sliding block 7 Guide block 8 Guide bar 9 Guide block bushing 10 Travel stop screw 11 Cylinder head flange 12 Piston rod bushing 13 Piston rod seal ring 14 Piston rod 15 Piston 16 Piston guide sliding ring 17 Piston seal ring 18 Cylinder tube 19 End flange 20 Travel stop screw 21 Sealing washer 22 Tie rod Table 6 Parts list ...

Page 22: ...umatic pilot spring etc The spring return control valves allow fail safe operation Pressurized air Atmospheric pressure air Manual control Pneumatic pilot control Dual solenoid control Solenoid control For local or remote operations please refer for information only to Section 3 1 to Section 3 4 and prior to technical documentation furnished with actuators Typical schematics for various applicatio...

Page 23: ...he tank 4 The tank is connected to the gas supply through the check valve 3 Pressurized air Pressurized air low pressure Atmospheric pressure air Figure 15 ON OFF service air fail safe system Figure 16 Modulating service When modulating control is required as a function of a pneumatic or electric control signal a positioned 5 is used which controls the supply to the actuator cylinder to keep the v...

Page 24: ...ccurately adjust the actuator operating times independently in opening and in closing by way of the hydraulic regulators which work on the oil flow from one chamber to the other of the hydraulic cylinder during pneumatic operation Moreover it permits a smooth angular speed all along the stroke During manual operation the flow regulators are by passed to make the force on the handpump lever easy Th...

Page 25: ...l valve D Pneumatic connection to open Pneumatic connection to close Pneumatic connection to open Pneumatic connection to close Scotch yoke mechanism Pneumatic cylinde Hydraulic cylinder Hydraulic manual override High pressure oil Intermediate pressure oil Low pressure oil Pressurized air Atmospheric pressure air Ra Relief valve for automatic operation Rm Relief valve for manual operation P Handpu...

Page 26: ...n force 3 3 Calibration of the Angular Stroke The angular stroke of the yoke can be adjusted between 82 98 4 with respect to the nominal positions of complete opening and closing by means the mechanical stops screwed into the left side of the housing open valve and into the end flange of the pneumatic cylinder closing Figure 20 Figure 20 Mechanical stops In case of an actuator with two cylinders F...

Page 27: ... end position fully open or closed unscrew the stop screw 1 by turning it anticlockwise with a proper wrench c1 until the valve reaches the right position When unscrewing the stop screw keep the lock nut still with a wrench so that the sealing washer 3 does not withdraw together with the screw 3 If the actuator angular stroke is stopped beyond the end position fully open or closed valve screw the ...

Page 28: ...peration and Use Section 3 Operation and Use For the adjustment of the mechanical stop screwed into the left side of housing follow these steps Figure 22 and 24 Loosen the locknut d with the specific wrench c2 Adjust the pin g screw v with the adequate wrench c1 Turn counter clockwise to increase the angular stroke turn clockwise to decrease it When the adjustment is over tighten the locknut d Fig...

Page 29: ...ation Operation and Maintenance Manual MAN 564_EAC Rev 2 June 2020 Operation and Use Section 3 Operation and Use Figure 24 Mechanical stop on the housing Figure 25 Mechanical stop on the housing Actuator model Wrench c1 mm Wrench c2 mm Actuator model Wrench c1 mm Wrench c2 mm Table 9 Table 10 ...

Page 30: ...tion and Use 4 3 2 1 c1 c2 For the adjustment of the mechanical stop screwed on the end flange of manual override see Section 7 2 Table 26 sectional drawing for manual jackscrew MSJ MHW Figure 26 Optional if foreseen Figure 27 Mechanical stop on the end flange of manual override GIG actuator size Wrench c1 mm Wrench c2 mm Table 11 ...

Page 31: ...Remove with the specific wrench c1 the plug t Insert a wrench for Allen keys c2 in the through hole until reaching the adjustment pin g Keep the protection cover blocked with the special wrench c3 Turn counter clockwise to increase the angular stroke turn clockwise to decrease it When the adjustment is over tighteen the plug t Figure 29 Optional if foreseen Figure 28 Mechanical stop on the end fla...

Page 32: ...h box model NOTICE For mounting interface dimension of the Limit Switch box on the cover of the actuator please refer to TN1163V for metric dimension or TN1163VU for imperial dimension NOTICE Operate only the micro switch corresponding to the direction of operation being carried out as clearly reported on the micro switch End of stroke microswitches should be operated before the stop of the stroke...

Page 33: ... is made by Biffi Italia s r l according to customer requirements and to technical data sheet included in technical documentation If necessary it s possible to modify or reset the operating time through two flow regulation valves placed between the control valves enclosure and the pneumatic cylinder Figure 34 To carry out the adjustment use an adequate Allen wrench and follow these steps Figure 34...

Page 34: ...wing for hydraulic control unit MHP To carry out the adjustment use a suitable Allen wrench and follow these steps Figure 35 Remove the cap nut Loosen the locknut Screw with a screwdriver the setting screw to increase the operation time Unscrew with a screwdriver the setting screw to decrease the operation time After the adjustment is over screw the locknut and put back in place the cap nut Figure...

Page 35: ...al Tests and Inspections Section 4 Operational Tests and Inspections Section 4 Operational Tests and Inspections NOTICE To ensure the guaranteed SIL grade according to IEC 61508 the functionality of actuator must be checked with regular intervals of time as described in the Safety Manual ...

Page 36: ...ing to actual maintenance conditions and needs Anyway every 2 years of operation the following is recommended Check that the actuator operates the valve correctly and with the required operating times If the actuator operation is very infrequent carry out a few opening and closing operations with all the existing controls remote control local control emergency controls etc if this is allowed by th...

Page 37: ...7 and the washer 9 to drain all the oil If some dirt or and sludge is found in the oil drained from the tank before filling with new oil in the tank disassemble the oil tank tube by unscrewing the two cap nuts 2 and clean the internal surfaces of the tank If necessary substitute the gaskets 21 of the tank Replace the plug 27 and the washer 9 into the plate 11 and tighten Pour the new oil into the ...

Page 38: ...IN AWS22 Low temperature conditions down to 46 C Manufacturer SHELL Name AEROSHELL FLUID 41 Viscosity at 54 C 2300 cST Viscosity at 40 C 491 cST Viscosity at 40 C 14 1 cST Viscosity at 100 C 5 3 cST Viscosity index ISO 2909 200 Flash point 105 C Pour point 60 C Specific weight 0 87 kg dm3 Or equivalent Low temperature conditions down to 60 C Manufacturer SYNTESIS Name SYNTRASS CS 500 Viscosity at ...

Page 39: ...ing the routine maintenance it is recommended to check and clean the mechanical filter and replace it in case of heavy dirty conditions To disassemble the filter proceed as follow A Close the stop valve at the inlet of pressure supply line B Discharge the pressure from the drain valve C Remove the lover enclosure screws D Remove the mechanical filter E Clean or replace the filter Reinstall all par...

Page 40: ...enance operation it is necessary to intercept the supply line and discharge pressure from the cylinder of the actuator NOTICE If the actuator can be operated it is essential to take it to fail safe position otherwise the actuator should be disassembled from the valve and follow these steps 1 Remove the nuts 16 and the washers 24 from the tie rods 18 at the end flange 22 side 2 Slide off the end fl...

Page 41: ...replaced measure the protrusion of the stop screw 26 with reference to the end flange 22 surface so as to be able to easily restore the setting of the actuator mechanical stop in the closed valve position once the maintenance procedures have been completed 1 Loosen the lock nut 25 and unscrew the stop screw 26 until it is removed together with the nut 25 the washer 44 and the sealing washer 43 2 R...

Page 42: ... tube onto the piston taking care not to damage the piston O ring 42 and the head flange O ring 40 5 Assemble the end flange by centring it on the inside diameter of the tube taking care not to damage the O ring 40 6 Assemble the washers 24 and the nuts 16 onto the tie rods 18 Tighten the nuts to the recommended torque alternating between opposite corners 7 Restore a generous coating of grease on ...

Page 43: ...24 26 9 Installation Operation and Maintenance Manual MAN 564_EAC Rev 2 June 2020 Maintenance Section 5 Maintenance Figure 39 ALGA double acting pneumatic actuator Item Name 1 Cover 2 Screw 3 Guide block pin 4 Vent valve 5 Sliding block 6 Screw 7 Screw 8 Housing 9 Guide bar 10 Cover gasket 11 Yoke 12 Plug 13 Bushing 14 Guide block 15 Screw Table 15 Parts list ...

Page 44: ... Cylinder tube 20 Piston rod 21 Piston 22 End flange 23 Lifting eyelet 24 Spring washer 25 Nut 26 Stop setting screw 27 Nut 28 Nut 29 Stopper bush 30 Adaptor bush 31 Washer 32 O ring 33 Yoke bushing 34 Retainer ring 35 Flange 36 Gasket 37 Washer 38 Piston rod bushing 39 O ring 40 O ring 41 Guide sliding ring for piston 42 O ring 43 Sealing washer 44 Washer ...

Page 45: ...e 39 has to be replaced because damaged Seals replacement Prior to reassemble check that the actuator components are in good conditions and clean Lubricate all the surfaces of the parts which move in contact with other components by recommended oil SHELL OMALA S4 WE or equivalent If the O ring must be replaced remove the existing one from its groove clean the groove carefully and lubricate it with...

Page 46: ... cover 14 and unscrew the stop screw 11 6 Remove the o ring 17 from the stop screw 11 Carefully clean and lubricate the stop screw thread and the surface of the end flange area on which the o ring works 7 Screw the new o ring onto the stop screw until it touches the cover 14 8 Screw the stop screw into the threaded hole of the end flange until it reaches its original position the same protrusion w...

Page 47: ...the tie rods item 10 Tighten the nuts to the recommended torque alternating between opposite corners 9 Restore a generous coating of grease on the contact surfaces of the yoke item 11 Figure 39 and the bushings item 13 Figure 39 on the yoke grooves on the sliding blocks item 5 Figure 39 on guide bar item 9 Figure 39 10 Assemble the new gasket item 36 Figure 39 after cleaning the surfaces of the ho...

Page 48: ...tenance Figure 40 Hydraulic cylinder Item Name 1 Piston rod bushing 2 Head flange 3 O ring 4 Piston rod seal ring 5 O ring 6 Piston rod 7 Piston 8 Guide sliding ring for piston 9 Piston seal ring 10 Tie rod 11 Stop setting screw 12 Cylinder tube 13 End flange 14 Stop setting screw cover 15 Spring washer 16 Nut 17 O ring 18 Plug 19 O ring 20 Plug Table 16 Parts list ...

Page 49: ...er in its central position as shown by the instructions plate Pneumatic operation The oil flows from the hydraulic cylinder chamber rear flange side via the flow regulator Fa the valve D and the flow regulator FC free flow direction to the hydraulic cylinder chamber head flange side The exceeding oil volume corresponding to the hydraulic cylinder piston rod flows via the flows regulator Fr into th...

Page 50: ...ut item 2 on the setting screw end and tighten so to assure the tightness B Settings of relief valves see the attached sectional drawings The relief valve item Ra of operating diagram MAN562 A is set at Biffi factory at a proper value and there is no reason to change the setting on the field The relief valve item Ra of operating diagram MAN562 A is set at Biffi factory at a pressure value at least...

Page 51: ...icon rubber 7 2 Ball Stainless steel 8 2 Spring Spring steel 9 2 Washer Carbon steel rubber 10 1 Screw Carbon steel 11 1 Plate Carbon steel 12 1 Flange Aluminium 13 8 Screw Carbon steel 14 1 Lever Carbon steel 15 1 Distributor Stainless steel 16 1 O ring Fluorosilicon rubber 17 1 O ring Fluorosilicon rubber 18 1 Nozzle Carbon steel 19 2 Screw Carbon steel 20 3 O ring Fluorosilicon rubber Oil tank ...

Page 52: ... plugs Item Qty Description Material 21 1 Tank gasket Fiber 22 1 Tank cover Carbon steel 23 2 Tie rod Carbon steel 24 1 Screw Carbon steel 25 1 Flange Aluminium 26 2 Check valve body Carbon steel 27 1 Plug Carbon steel 28 2 Flow control valve setting screw Stainless steel 29 2 Spring pin Stainless steel 30 3 Nut Carbon steel 31 2 Flange Carbon steel 32 2 O ring Fluorosilicon rubber 33 2 Spring Spr...

Page 53: ...tarting the disassembly a large area should be created around the actuator so to allow any kind of movement without problems of further risks created by worksite WARNING Before disassembling the actuator it is necessary to close the pneumatic feed line and discharge pressure from the cylinder of the actuator from the control unit and from the accumulator tank if present If actuator is still mounte...

Page 54: ...low Low supply pressure Restore Section 1 4 Wrong calibration of flow regulator valves Restore Section 3 6 Wear of the valve Replace Actuator too fast High supply pressure Restore Section 1 4 Wrong calibration of flow regulator valves Restore Section 3 6 Leakages on hydraulic or pneumatic circuits Deterioration and or damage to gaskets Call Biffi Italia s r l Customer Service Incorrect position of...

Page 55: ...o Biffi order confirmation concerning all the supply and serial number of the actuator Section 1 2 for any specific spare part for a specific actuator model Please send every spare parts request to Biffi Italia s r l Spares Office Tel 0523 944523 Fax 0523 941885 E mail Biffispares Emerson com Please specify 1 Actuator model 2 Biffi acknowledgement 3 Spare parts code 4 Quantity 5 Transport conditio...

Page 56: ...ss steel 4 1 Housing Carbon steel 5 1 Guide bar Alloy steel 6 1 Yoke Carbon steel 7 1 Cover gasket SBR Cellulose Fillers 8 1 Guide block Carbon steel 9 1 Bushing Steel Bronze PTFE 10 2 Sliding block Bronze 11 1 Vent valve Stainless steel 12 12 Screw Carbon steel 13 1 Cover Carbon steel 14 1 Guide block pin Alloy steel 7 2 Parts List for Maintenance and Replacing Procedure Figure 42 Scotch yoke mec...

Page 57: ... 10028 1 5 8 Nut Carbon steel ASTM A194 gr 7 6 4 Tie rod Alloy steel ASTM A320 gr L7 7 1 Cylinder tube Carbon steel ASTM A333 gr 6 8 1 Piston rod Alloy steel 9 1 Piston Carbon steel ASTM A350 A350M gr LF2 Class 1 10 1 End flange Carbon steel ASTM A350 A350M gr LF2 Class 1 11 2 Liftting eyelet Carbon steel 14 1 Sealing washer ELVAX 450 15 1 Nut Carbon steel SUR SULF 16 1 Stop setting screw Carbon s...

Page 58: ...ng NBR rubber 6 1 Piston rod Alloy steel 7 1 Piston Nickel plated carbon steel 8 2 Guide sliding ring for piston PTFE graphite 9 1 Piston seal ring PTFE NBR rubber 10 4 Tie rod Alloy steel ASTM A320 gr L7 11 1 Stop setting screw Alloy steel 12 1 Cylinder tube Nickel plated carbon steel 13 1 End flange Carbon steel 14 1 Stop setting screw cover Carbon steel 15 4 Spring washer Carbon steel 16 4 Nut ...

Page 59: ...erial 1 1 Screw Alloy steel 2 1 Nut Carbon steel 3 1 Nut Carbon steel 4 4 Screw Alloy steel 5 1 Flange Carbon steel 6 2 Gasket SBR Cellulose Fillers 7 1 Stopper bush Alloy steel 8 1 Plug Stainless steel 9 1 Adaptor bush Alloy steel 10 4 Screw Alloy steel 11 4 Washer Copper 12 1 Washer Alloy steel Figure 45 Assembly kit NOTE Recommended spare parts ...

Page 60: ...steel Rubber 4 1 Hydraulic tank Carbon steel 5 1 Handpump See attached table 6 2 O ring Fluorosilicon rubber 7 2 Ball Stainless steel 8 2 Spring Spring steel 9 1 Washer Carbon steel Rubber 10 1 Screw Carbon steel 11 1 Plate Carbon steel 12 1 Flange Aluminium 13 4 Screw Carbon steel 14 1 Lever Carbon steel 15 1 Distributor Stainless steel 16 1 O ring Fluorosilicon rubber 17 1 O ring Fluorosilicon r...

Page 61: ...teel 36 2 Spring pin Carbon steel 37 4 Screw Carbon steel 38 1 Operation instruction plate Stainless steel 39 4 Screw Carbon steel 40 1 Spring Stainless steel 41 1 Ball Stainless steel 42 4 Ball Stainless steel 43 2 Spring Spring steel 44 1 Relief valve setting screw Stainless steel 45 2 Spring pin Carbon steel 46 1 Screw Alloy steel 47 1 Spring Stainless steel 48 1 Nut Carbon steel 49 1 Washer Ca...

Page 62: ... Fork Carbon steel 8 2 Pin Stainless steel 9 4 Retainer ring Carbon steel 10 1 Rod Alloy steel 11 1 Body Carbon steel 12 1 Lever Carbon steel 13 1 Split pin with rope Nylon Carbon steel 14 1 Scraper ring PTFE fluorosilicon rubber 15 1 Threaded bush Aluminium 16 2 Rod seal ring PTFE Graphite 17 2 O ring Fluorosilicon rubber 18 1 O ring Fluorosilicon rubber 19 1 Nut Carbon steel 20 1 Screw Carbon st...

Page 63: ...m Alloy steel 9 1 Fork Carbon steel 10 3 Spring pin Stainless steel 11 3 Screw Carbon steel 12 1 Screw nut operating cam Alloy steel 13 1 O ring Fluorosilicon rubber 14 1 Thrust nut operating cam Alloy steel 15 1 Screw Carbon steel 16 1 Nut Carbon steel 17 1 Flange Carbon steel 18 1 Body Carbon steel 19 1 Spring pin Spring steel 20 2 Screw Carbon steel 21 1 Ball 1 4 Stainless steel 22 1 Screw Carb...

Page 64: ...ntenance Operations Section 8 Date Report for Maintenance Operations Section 8 Date Report for Maintenance Operations Last maintenance operation date in factory on delivery exec by exec by exec by Next maintenance operation date exec by exec by exec by Start up date in factory on delivery on plant ...

Page 65: ...Installation Operation and Maintenance Manual MAN 564_EAC Rev 2 June 2020 Notes This page intentionally left blank ...

Page 66: ...publication are presented for information purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve ...

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