BIFFI RPHD Use And Maintenance Manual
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BIFFI RPHD Use And Maintenance Manual

Double acting hydraulic actuator
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3
18/04/16
2
20/10/14
1
11/12/09
0
05/05/99
Rev.
Date
RPHD – Double acting hydraulic actuator
Use and maintenance manual
DOUBLE ACTING
HYDRAULIC ACTUATOR
Use and maintenance manual
Updated applicable
regulation (chapter 1.1.1)
Updated chapters
1.1.2 and 5.4
General update
Document release
Description
© Copyright by BIFFI Italia. All right reserved.
Contents may change without notice
RPHD
MAN 623
Ermanni
Ermanni
Ermanni
Lazzarini
Prepared
Orefici
Vigliano
Cristalli
Vigliano
Stoto
Vigliano
Aliani
Ziveri
Checked
Approved
Pag. 1

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Summary of Contents for BIFFI RPHD

  • Page 1 Ermanni Cristalli Vigliano 20/10/14 1.1.2 and 5.4 Ermanni Stoto Vigliano 11/12/09 General update Lazzarini Aliani Ziveri 05/05/99 Document release Rev. Date Description Prepared Checked Approved © Copyright by BIFFI Italia. All right reserved. Pag. 1 Contents may change without notice...

  • Page 2: Table Of Contents

    7 Layouts ................31 7.1 Spare parts order ..............31 7.2 parts-list for maintenance and replacing procedure ....32 8 Date report for maintenance operations ......34 © Copyright by BIFFI Italia. All right reserved. Pag. 2 Contents may change without notice...
  • Page 3 The information contained is of exclusive reserved ownership of BIFFI Italia S.r.l and may be modified without prior notice. All rights reserved. © Copyright by BIFFI Italia. All right reserved.

  • Page 4: General Warnings

    Area(until 19 April 2016) 2014/34/EU from 20 April 2016 1.1.2 Terms and conditions Biffi Italia srl guarantees that all the items produced are free of defects in workmanship and manufacturing materials and meet relevant current specifications, provided they are installed, used and serviced according to the instructions contained in the present manual.

  • Page 5: Identification Plate

    The warranty and Biffi Italia srl liability shall lapse in the event that any modification or tampering whatsoever be performed on the actuator.

  • Page 6: Data Sheet

    Design pressure Design pressure of the cylinder 220 barg Supply pressure Please refer to technical document: “actuator data-sheet” Max operating torque Up to 2600 Nm © Copyright by BIFFI Italia. All right reserved. Pag. 6 Contents may change without notice...

  • Page 7: Installation

    Avoid that during the handling, the actuator passes above the staff. The actuator should be handled with appropriate lifting means. The weight of the actuator is reported on the delivery bill. © Copyright by BIFFI Italia. All right reserved. Pag. 7 Contents may change without notice...
  • Page 8 RPHD – Double acting hydraulic actuator Use and maintenance manual Pictures 1-2 : Lifting and storage method 1-2= lifting points (obligatory) © Copyright by BIFFI Italia. All right reserved. Pag. 8 Contents may change without notice...

  • Page 9: Storage

    Coat with oil, grease or protection disc, the valve coupling area. ❑ Periodically operate the actuator (Sect. 3.3). ❑ © Copyright by BIFFI Italia. All right reserved. Pag. 9 Contents may change without notice...

  • Page 10: 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 (TN1312 attached). The number, 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.
  • Page 11 RPHD – Double acting hydraulic actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 11 Contents may change without notice...

  • Page 12: Assembly Procedure

    (Sect. 3.4). Fasten threaded connections. Please refer to Table 1. ❑ Table 1: nuts tightening torque Tightening Threading torque (Nm) © Copyright by BIFFI Italia. All right reserved. Pag. 12 Contents may change without notice...

  • Page 13: Hydraulic Connections

    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). © Copyright by BIFFI Italia. All right reserved. Pag. 13 Contents may change without notice...

  • Page 14: Commissioning

    Any calibration relative to functional aspects of the actuator are preset at the factory. Before any modifications please read BIFFI Italia S.r.l. Upon actuator commissioning please carry out the following checks: Check that the values of hydraulic supply available in the system ❑...

  • Page 15: Operation And Use

    (Optional *) Hydraulic manual override (Optional *) The power and control systems are supplied on specific customer demand ( refer to specific documentation furnished) © Copyright by BIFFI Italia. All right reserved. Pag. 15 Contents may change without notice...
  • Page 16 RPHD – Double acting hydraulic actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 16 Contents may change without notice...

  • Page 17: Residual Risks

    The setting of the closed valve position is performed by adjusting the travel stop screw, which is on the right side of the actuator (screwed into the end flange of the hydraulic cylinder). © Copyright by BIFFI Italia. All right reserved. Pag. 17 Contents may change without notice...
  • Page 18 4) Screw the plug into the cylinder end flange. HYDRAULIC WRENCH WRENCH CYLINDER DIAMETER (mm) (mm) From 28 To 40 From 45 To 60 From 70 To 175 From 200 To 235 © Copyright by BIFFI Italia. All right reserved. Pag. 18 Contents may change without notice...

  • Page 19: Calibration Of Microswitches (If Foreseen)

    Check that the cover and the index show the proper position of ❑ the valve (Picture 11). Tighten the screws. ❑ Picture 9 – Micro-switches Picture 10 – Cam adjustment © Copyright by BIFFI Italia. All right reserved. Pag. 19 Contents may change without notice...
  • Page 20 Adjust the relative cams properly. Position indicator (index) Picture 11 – Position indicator and pin for micro-switches box © Copyright by BIFFI Italia. All right reserved. Pag. 20 Contents may change without notice...

  • Page 21: Calibration Of The Operation Time

    RPHD – Double acting hydraulic actuator Use and maintenance manual CALIBRATION OF THE OPERATION TIME The calibration of the operation time 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 on inlets of hydraulic cylinder (Picture 12).

  • Page 22: Operational Tests And Inspections

    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 © Copyright by BIFFI Italia. All right reserved. Pag. 22 Contents may change without notice...

  • Page 23: Maintenance

    ( if foreseen ). Installation, commissioning and maintenance and repair works should be carried out by qualified staff. PERIODIC MAINTENANCE RPHD actuators are designed to operate long-term in heavy-duty operating conditions, without maintenance needs. Periodicity regularity...
  • Page 24 Biffi Italia S.r.L respect the customer requirements to scope of supply, for applicable cleanliness level, refer to document: technical data-sheet for actuators Table 3: features of hydraulic oil suggested by BIFFI Italia S.r.l for refilling in different working condition: Standard temperature conditions (-30°C/+85°): Producer...

  • Page 25: Extraordinary Maintenance

    Before carrying out any operation, cut power off from the electrical line 1) Unscrew the plug (14-15) from the cylinder end flange. © Copyright by BIFFI Italia. All right reserved. Pag. 25 Contents may change without notice...
  • Page 26 Teflon seal ring (10): the tube bevel has to smoothly compress the seal ring; take care also not to damage the end flange O-ring (18). © Copyright by BIFFI Italia. All right reserved. Pag. 26 Contents may change without notice...
  • Page 27 9) Screw the plug (15) into the cylinder end flange. Carry out a few operations (Sect. 3.3) to check there are no leakages from the gaskets. © Copyright by BIFFI Italia. All right reserved. Pag. 27 Contents may change without notice...
  • Page 28 RPHD – Double acting hydraulic actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 28 Contents may change without notice...

  • Page 29: Dismantling And Demolition

    (ex. metallic, and plastic materials, fluids etc.) and send them to differentiated waste collection sites, as provided for by the laws and provisions in force. © Copyright by BIFFI Italia. All right reserved. Pag. 29 Contents may change without notice...

  • Page 30: Troubleshooting

    Leakages on the check Call BIFFI Italia S.r.l. valve of the hydraulic Customer Service control group © Copyright by BIFFI Italia. All right reserved. Pag. 30 Contents may change without notice...

  • Page 31: Layouts

    Use and maintenance manual 7 Layouts SPARE PARTS ORDER For spare parts order to the relevant BIFFI office please make reference to BIFFI order confirmation concerning all the supply, and serial number of the actuator (Sect. 1.2) for any specific spare part for a specific actuator model.

  • Page 32: Parts-List For Maintenance And Replacing Procedure

    RPHD – Double acting hydraulic actuator Use and maintenance manual 7.2 PARTS-LIST FOR MAINTENANCE AND REPLACING PROCEDURE Table 1: Rack and pinion mechanism © Copyright by BIFFI Italia. All right reserved. Pag. 32 Contents may change without notice...
  • Page 33 RPHD – Double acting hydraulic actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 33 Contents may change without notice...

  • Page 34: Date Report For Maintenance Operations

    Next maintenance operation date: ……… exec. by : ………… ……… exec. by : ………… Start-up date : ( in factory, on delivery ).……………………. .……………………. ( on plant ) © Copyright by BIFFI Italia. All right reserved. Pag. 34 Contents may change without notice...

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