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BIFFI COMPACT Series Use And Maintenance Manual

High pressure spring-return hydraulic linear actuator
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HIGH PRESSURE SPRING-RETURN
HYDRAULIC LINEAR ACTUATOR
2
09/05/18
1
18/04/16
0
25/07/11
Rev.
Date
HLAS-C – Single acting hydraulic linear compact actuator
Use and maintenance manual
HLAS-C
"COMPACT series"
MAN 707
Use and maintenance manual
Updated applicable
regulation (chapter 1.1.1)
Updated applicable
regulation (chapter 1.1.1)
Document release
Description
© Copyright by BIFFI Italia. All right reserved.
Contents may change without notice
Ermanni
Orefici
Ermanni
Orefici
Ermanni E. Montagna E. Stoto M.
Prepared
Checked
Vigliano
Vigliano
Approved
Pag. 1

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Summary of Contents for BIFFI COMPACT Series

  • Page 1 (chapter 1.1.1) Updated applicable Ermanni Orefici Vigliano 18/04/16 regulation (chapter 1.1.1) Ermanni E. Montagna E. Stoto M. 25/07/11 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 ................34 7.1 Spare parts order ..............34 7.2 parts-list for maintenance and replacing procedure ....35 8 Date report for maintenance operations ......41 © 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

    2014/34/EU: Directive and safety instructions for use in hazardous area 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 output thrust of spring unit can be downward or upward according to valve operation requirements ( spring to open, spring to close, direct acting valve , reverse acting valve). © Copyright by BIFFI Italia. All right reserved. Pag. 5 Contents may change without notice...
  • Page 6 The actuator pedestal has a flange with threaded holes to fix the actuator to the valve. BIFFI can supply different types of control system following Customer’s requirements. The expected lifetime of actuator is approximately 25 years .

  • Page 7: Data Sheet

    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 (Sect. 3.4) and of micro-switches (if any) (Sect. 3.5). © Copyright by BIFFI Italia. All right reserved. Pag. 7 Contents may change without notice...

  • Page 8: Actuator Handling

    The weight of the actuator is reported on the delivery bill and on overall-dimensions drawings furnished Picture 1-2 – Lifting points for HLAS-C actuators © Copyright by BIFFI Italia. All right reserved. Pag. 8 Contents may change without notice...

  • Page 9: Storage

    (a specific warning label for transport in horizontal position is attached on the MHP body); remove the blind plug and restore the dipstick before operate the actuator with MHP. BIFFI hydraulic manual hand-pump must be maintained with tank under the hand-pump to operate the actuator with MHP properly.

  • Page 10: Actuator Assembly On The Valve

    Check the consistency of the parts of actuator-valve coupling. A) TO ASSEMBLE THE ACTUATOR ONTO THE VALVE BY BRACKET WITH THREADED JOINT PROCEED AS FOLLOWS: © Copyright by BIFFI Italia. All right reserved. Pag. 10 Contents may change without notice...
  • Page 11 The stud bolts must be made of ASTM A320 L7 steel, the nuts must be made of ASTM A194 grade 2 steel as minimum. © Copyright by BIFFI Italia. All right reserved. Pag. 11 Contents may change without notice...
  • Page 12 5) Assemble the actuator onto the valve, and arrange it in its correct vertical position proper to connection between valve stem and actuator cylinder rod. © Copyright by BIFFI Italia. All right reserved. Pag. 12 Contents may change without notice...
  • Page 13 The screwing values in Table 1 were calculated considering the materials ASTM A320 L7 for screws or tie rods and ASTM A194 gr.2H for the nuts. © Copyright by BIFFI Italia. All right reserved. Pag. 13 Contents may change without notice...

  • Page 14: Hydraulic Connections

    Make the connections in compliance with applicable wiring diagrams ❑ on the documentation supplied. Screw the cable gland. ❑ Replace the plastic plugs of unused entries with metal plugs. ❑ © Copyright by BIFFI Italia. All right reserved. Pag. 14 Contents may change without notice...

  • Page 15: Commissioning

    ) Make a complete functional test in order to verify all the operations ❑ are executed according to operating schematic diagram supplied. © Copyright by BIFFI Italia. All right reserved. Pag. 15 Contents may change without notice...

  • Page 16: Operation And Use

    3.2 RESIDUAL RISKS The actuator has parts under pressure. Use the due caution. Use individual protections provided for by the laws and provisions in force. © Copyright by BIFFI Italia. All right reserved. Pag. 16 Contents may change without notice...

  • Page 17: Operations

    “Normal operation”, with oil supply from a power pack, or the “Emergency manual operation”. The manual override will be OMFB for carbon steel material, or dedicated model engineered by BIFFI for stainless steel material 3.3.2 Remote control operations (for information only) ©...

  • Page 18: Calibration Of The Angular Stroke

    (2) until reaching the stop setting screw (3). If the actuator angular stroke is stopped before reaching the ❑ upward position (fully open or closed), unscrew the stop setting © Copyright by BIFFI Italia. All right reserved. Pag. 18 Contents may change without notice...
  • Page 19 Figure 5 – Mechanical stop on spring cartridge end flange For the adjustment of linear stroke in the lower position, operate the two regulation rings (see chapter 7.2 table 4 item 10) © Copyright by BIFFI Italia. All right reserved. Pag. 19 Contents may change without notice...
  • Page 20 To decrease the linear stroke screw the regulation rings on stem valve joint, until the valve reaches the right position. Figure 6 – Coupling joint used as mechanical stopper placed on actuator pedestal Regulation rings © Copyright by BIFFI Italia. All right reserved. Pag. 20 Contents may change without notice...

  • Page 21: Calibration Of Microswitches (*For Biffi Limit Switch Box)

    Check that the cover and the index show the proper position of ❑ the valve (Picture 10). Tighten the screws. ❑ Picture 8 – Micro-switches Picture 9 – Cam adjustment © Copyright by BIFFI Italia. All right reserved. Pag. 21 Contents may change without notice...
  • Page 22 (index) Picture 10 – Position indicator and pin for micro-switches box Picture 11 – Transmission device for not-BIFFI limit-switch box (refer for information only to chapter 7.2 table 5 and prior to technical documentation furnished with actuators) © Copyright by BIFFI Italia. All right reserved.

  • Page 23: Calibration Of The Operation Time

    For actuator models equipped with control system it’s possible regulate the speed of actuator operations. 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...

  • Page 24: 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. 24 Contents may change without notice...

  • Page 25: Maintenance

    If the filter is made of cellulose, it must be replaced when clogged. © Copyright by BIFFI Italia. All right reserved. Pag. 25 Contents may change without notice...
  • Page 26 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 2: 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 27 SHELL ALVANIA GREASE R2 Infosafe No.: ACISO GB/eng/C ARAL ARALUB HL2 CHEVRON DURALITH GREASE EP2 CHEVRON SPHEEROL AP2 TEXACO MULTIFAK EP2 MOBILPLEX 47 PETROMIN GREASE EP2 © Copyright by BIFFI Italia. All right reserved. Pag. 27 Contents may change without notice...

  • Page 28: Extraordinary Maintenance

    2) Lift the spring module with hook for chain as explained in chapter 3) Unscrew the screws (see item 22, table 4, chapter 7.2) to disassemble the pedestal from the base of hydraulic cylinder © Copyright by BIFFI Italia. All right reserved. Pag. 28 Contents may change without notice...
  • Page 29 1) Replace the O-ring (17, table 1) of the head flange (31,table 1). 2) Replace the O-ring (15, table 1) in the head-flange groove for cylinder-tube. © Copyright by BIFFI Italia. All right reserved. Pag. 29 Contents may change without notice...
  • Page 30 11)Replace also the scraper ring (23, table 1) and the sealing O-ring (13, table 1) 12)Reassemble the upper seal flange with hits fixing screws © Copyright by BIFFI Italia. All right reserved. Pag. 30 Contents may change without notice...
  • Page 31 5) Screw the fixing screws (32, table 1) Tighten the screws, alternating between opposite corners. Carry out a few operations (Sect. 3) to check there are no leakages from the gaskets. © Copyright by BIFFI Italia. All right reserved. Pag. 31 Contents may change without notice...

  • Page 32: Dismantling And Demolition

    Will require special and O-rings) treatment before disposal, specialist waste disposal companies Oil and grease Will require special treatment before disposal, specialist waste disposal companies © Copyright by BIFFI Italia. All right reserved. Pag. 32 Contents may change without notice...

  • Page 33: Troubleshooting

    Customer Service control group Incorrect position of Wrong adjustment of Reset (Par. 3.4) the valve mechanical stops Wrong warning of Reset (Par. 3.5) micro-switches © Copyright by BIFFI Italia. All right reserved. Pag. 33 Contents may change without notice...

  • Page 34: 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 35: Parts-List For Maintenance And Replacing Procedure

    HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual 7.2 PARTS-LIST FOR MAINTENANCE AND REPLACING PROCEDURE Table 1: Hydraulic cylinder © Copyright by BIFFI Italia. All right reserved. Pag. 35 Contents may change without notice...
  • Page 36 HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 36 Contents may change without notice...
  • Page 37 HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual Table 2: Spring cartridge © Copyright by BIFFI Italia. All right reserved. Pag. 37 Contents may change without notice...
  • Page 38 HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual Table 3: Kit stop setting screw © Copyright by BIFFI Italia. All right reserved. Pag. 38 Contents may change without notice...
  • Page 39 HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual Table 4: Pedestal with coupling joint © Copyright by BIFFI Italia. All right reserved. Pag. 39 Contents may change without notice...
  • Page 40 HLAS-C – Single acting hydraulic linear compact actuator Use and maintenance manual Table 5: Mounting kit for limit switch box © Copyright by BIFFI Italia. All right reserved. Pag. 40 Contents may change without notice...

  • Page 41: 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. 41 Contents may change without notice...

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