BIFFI RP 120-MHW Installation, Operation And Maintenance Manual Download Page 38

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July 2020

Installation, Operation and Maintenance Manual

MAN 573 Rev. 8

Figure 23

Declutchable Padlockable Manual Override DMHW (Optional)

Table 15.

Parts List

Item

Qty.

Description

Material

External body

Carbon steel

Internal body

Carbon steel

Scraper ring

NBR Rubber

Flap

Carbon steel

Screw

Stainless steel

Screw

Stainless steel

Valve lock-unlock

Stainless steel + Viton

Seat scrape ring

Carbon steel

NOTE:
*

Recommended spare parts

Layouts

Section 7: Layouts

Summary of Contents for RP 120-MHW

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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