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Installation, Operation and Maintenance Manual

MAN 573 Rev. 8

July 2020

Biffi RPS

Spring-Return Pneumatic Actuator

Biffi Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) –

Italy PH:

+39 0523 944 411 – [email protected]

Содержание RP 120-MHW

Страница 1: ...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...

Страница 2: ...update Migration to new template 7 November 2019 Added Sectional drawings for MSJ MHW and DMHW Ermanni Orefici Vigliano 6 March 2018 Updated Data plate Ermanni Orefici Vigliano 5 April 2016 Updated A...

Страница 3: ...sembly 9 2 4 2 Assembly procedure 11 2 5 Pneumatic Connections 12 2 6 Electrical Connections If any 12 2 7 Commissioning 13 Section 3 Operation and Use 3 1 Operation Description 14 3 2 Residual Risks...

Страница 4: ...73 Rev 8 Section 6 Troubleshooting 6 1 Failure or Breakdown Research 28 Section 7 Layouts 7 1 Spare Parts Order 29 7 2 Parts List for Maintenance and Replacing Procedure 30 Section 8 Date Report for M...

Страница 5: ...pment to the initial user depending on which event occurs first All detailed warranty conditions are specified in the documentation forwarded together with the product This warranty does not cover spe...

Страница 6: ...ncorporates one or two springs in series depending on the model and is fully encapsulated This assures safety to personnel and ease of assembly External travel stops allow precise angular stroke adjus...

Страница 7: ...RP 60 88 4 88 4 M12 15 28 37 34 112 42 3 0 204 60 M6 4 RP 120 99 0 99 0 M16 23 37 49 45 132 55 3 0 270 75 M6 4 Both the actuator flanges can be used for valve coupling or the mounting of ancillary eq...

Страница 8: ...4 threaded holes optional Figure 3 Model A B C D E F G H K L M 15 55 110 12 5 43 M8 14 17 98 114 67 181 30 70 125 15 56 M10 16 35 120 136 80 216 60 88 160 16 68 M12 19 35 150 160 105 265 120 124 190 1...

Страница 9: ...ly fluid Air Nitrogen or sweet gas Operating temperature Standard from 30 C to 100 C Optional from 60 C to 140 C Design pressure 12 bar maximum Supply pressure Please refer to technical document actua...

Страница 10: ...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...

Страница 11: ...t from its standard position and place it in this suggested position Figure 5 A B A A A BACK SIDE VIEW Lifting eyelets horizontal stem valve mounting position Lifting point to balance weight suitable...

Страница 12: ...2 3 Storage If the actuator needs storage before installation follow these steps Place it on a wood surface in order not to deteriorate the area of valve coupling Make sure that plastic plugs are pres...

Страница 13: ...er dimensions and diameter of the holes are made in accordance with ISO 5211 The actuator is provided with a spool piece and a stem extension for coupling to the valve The assembly position of the act...

Страница 14: ...8 37 34 112 42 3 0 204 60 M6 4 RP 120 99 0 99 0 M16 23 37 49 45 132 55 3 0 270 75 M6 4 Both the actuator flanges can be used for valve coupling or the mounting of ancillary equipment positioner limit...

Страница 15: ...ift the actuator using the special lifting points Section 2 2 Install the actuator so that valve stem inserts in the coupling area This coupling should be made without forcing Fasten the two parts wit...

Страница 16: ...G The connections should be made by qualified staff Before carrying out any operation cut line power off Safety provisions as per CEI 64 8 regulation should be complied with same as IEC 60364 Connect...

Страница 17: ...dration are as prescribed Check that the feed voltage values of the electrical components solenoid valve coils micro switches pressure switches etc are as prescribed Check that the actuator controls w...

Страница 18: ...matic supply is discharged from the cylinder Figure 9 For local or remote operations related to the actuator please refer to technical documentation furnished with actuators Typical schematics for var...

Страница 19: ...pilot spring etc Spring Return control valves allow fail safe operation 1 2 Pressurized air Atmospheric pressure air Manual control Pneumatic pilot control Solenoid control Figure 12 ON OFF Service Qu...

Страница 20: ...the supply to the actuator cylinder to keep the valve in the required angular position The positioner has a mechanical linkage to the actuator for a feedback of the valve position 3 3 Operations The o...

Страница 21: ...tuators or in the housing wall for spring to open actuators For the adjustment of the travel stop screws proceed as follows Please refer to Figures on the following page 1 Loosen the locknut with wren...

Страница 22: ...ride MHW Actuator Model WRENCH C1 mm Wrench C2 mm RP 14 15 MSJ MHW 24 41 RP 30 MSJ MHW 32 50 RP 60 MSJ MHW 36 55 RP 120 MSJ MHW 36 60 Figure 15 Figure 14 Actuator Model WRENCH C1 mm Wrench C2 mm RP 14...

Страница 23: ...should be operated before the stop of the stroke of the actuator due to mechanical stops Adjust the relative cams properly 3 6 Calibration of the Operation Time The calibration of the operation time...

Страница 24: ...tional 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 Ma...

Страница 25: ...f 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...

Страница 26: ...nstallation commissioning and maintenance and repair works should be carried out by qualified staff Before carrying out any operation cut power off from the electrical line Replacement of cylinder sea...

Страница 27: ...s are in good conditions and clean Lubricate all the surfaces of the parts which move in contact with other components by recommended grease AGIP ENI LCX 2 32 if seals are in NBR Viton or Neoprene rub...

Страница 28: ...til it reaches its original position the same protrusion with reference to the housing surface Check that the sealing washer 17 and the washer 28 are in contact with the housing surface Tighten the lo...

Страница 29: ...1 Housing 2 Pinion 3 Piston 4 End flange 5 Rack 6 Shaft 7 Cylinder gasket 8 Shoulder washer 10 Nut 11 Spring retainer disk 12 Rack spacer rod 13 Cylinder tube 14 Tie rod 15 Thrust bearing screw 16 Spr...

Страница 30: ...flange surface 4 so as to be able to easily restore its setting once the maintenance procedures have been completed 3 Loosen the locknut and unscrew the stop screw until it is removed 4 Remove the nut...

Страница 31: ...oth concerning any electrical and mechanical parts should be made by specialized staff Separate the parts composing the actuator according to their nature ex metallic and plastic materials fluids etc...

Страница 32: ...ction 1 4 Wrong calibration of flow regulator valves Restore Section 3 6 Leakages on hydraulic circuits Deterioration and or damage to gaskets Call Biffi Italia s r l Customer Service Incorrect positi...

Страница 33: ...rning 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 T...

Страница 34: ...n steel 17 2 Sealing washer Teflon 18 1 Sealing washer Teflon 19 1 Sliding block Bronze 20 1 Piston guide sliding ring Teflon graphite 21 2 Retainer ring Spring steel 22 2 Screw Alloy steel 23 2 O Rin...

Страница 35: ...l 16 2 Spring Spring steel 17 2 Sealing washer Teflon 18 1 Sealing washer Teflon 19 1 Sliding block Bronze 20 1 Piston guide sliding ring Teflon graphite 21 2 Retainer ring Stainless steel 22 2 Screw...

Страница 36: ...Teflon 19 1 Sliding block Bronze 20 1 Piston guide sliding ring Teflon graphite 21 2 Retainer ring Stainless steel 22 2 Screw Alloy steel 23 2 O Ring NBR Rubber 24 1 O Ring NBR Rubber 25 8 Nut Carbon...

Страница 37: ...eel 15 1 Thrust bearing screw Alloy steel 16 2 Spring Carbon steel 17 2 Sealing washer Teflon 18 1 Sealing washer Teflon 19 1 Sliding block Bronze 20 1 Piston guide sliding ring Teflon graphite 21 2 R...

Страница 38: ...Table 15 Parts List Item Qty Description Material 1 1 External body Carbon steel 2 1 Internal body Carbon steel 3 1 Scraper ring NBR Rubber 4 2 Flap Carbon steel 5 1 Screw Stainless steel 6 2 Screw S...

Страница 39: ...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 p...

Страница 40: ...ublication 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 regardi...

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