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BIFFI ALGAS-MHW Use And Maintenance Manual

Spring return pneumatic actuator with handwheel manual override
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ACTUATOR WITH HANDWHEEL MANUAL
5
03/12/19
4
21/03/18
3
18/04/16
2
11/06/12
Rev.
Date
ALGAS-MHW or MRHW
(*DMHW or *DMRHW)
SPRING RETURN PNEUMATIC
(*D= declutch-able type)
MAN 604-1A
Use and maintenance manual
Added Declutch-able type
Update Data-plate
Updated applicable
regulation (chapter 1.1.1)
Updated chapter G
and chapter H
Description
© Copyright by BIFFI Italia. All right reserved.
Contents may change without notice
"ALGAS-MHW or MRHW"
Use and maintenance manual
OVERRIDE
Ermanni
Ermanni
Ermanni
Ermanni
Prepared
Orefici
Vigliano
Orefici
Vigliano
Orefici
Vigliano
Stoto
Vigliano
Checked
Approved
page 1

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Summary of Contents for BIFFI ALGAS-MHW

  • Page 1 Updated applicable Ermanni Orefici Vigliano 18/04/16 regulation (chapter 1.1.1) Updated chapter G Ermanni Stoto Vigliano 11/06/12 and chapter H Rev. Date Description Prepared Checked Approved © Copyright by BIFFI Italia. All right reserved. page 1 Contents may change without notice...

  • Page 2: Table Of Contents

    5.2.3 Replacement of the seals of reduced-manual override “MRHW” ____________________________________________ 34 5.3 Lubrication of mechanism ___________________________ 38 5.4 Dismantling and demolition __________________________ 42 6 Troubleshooting _____________________ 43 © Copyright by BIFFI Italia. All right reserved. page 2 Contents may change without notice...
  • Page 3 7.2 Parts-list for maintenance and replacing procedure ______ 44 8 Date report for maintenance operations 50 NOTES: BIFFI Italia has taken every care in collecting and verifying the documentation contained in this instruction and operating manual. Nevertheless Biffi Italia does not provide any guarantees for this instruction manual.

  • 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

    Use and maintenance manual 1.2 Identification plate It is forbidden to modify the information and the marks without previous written authorization by BIFFI Italia S.r.l. The plate fastened on the actuator contains the following information (Figure1). Figure 1 – Data plate 1.3 Description of the actuator...
  • Page 6 The actuator yoke has a hole with keyways suitable for the assembly of an insert bush or a stem extension. Their internal hole is machined (by BIFFI or at Customer's care), according to the shape and dimensions of the valve stem.

  • Page 7: Installation

    In case of long-term storage, the coupling parts (flange, drive sleeve, insert bush) must be coated with protective oil or grease. If possible, blank off the flange by a protection disk. © Copyright by BIFFI Italia. All right reserved. page 7 Contents may change without notice...

  • Page 8: Assembling The Actuator Onto The Valve

    The yoke has bored with keyways for coupling to the valve stem, the dimensions of which are according to Biffi standard tables SCN6200* and SCN6201*. © Copyright by BIFFI Italia. All right reserved.
  • Page 9 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 9 Contents may change without notice...
  • Page 10 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 10 Contents may change without notice...
  • Page 11 “ALGAS-MHW or MRHW" Use and maintenance manual 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...

  • Page 12: Valve Stem With Vertical Axis

    Insert bush turned upside down Picture 4 – Insert bush + intermediate coupling flange The Biffi insert bush with 2 external keys at 45° allows to position the keyway for the valve every 90°. Consequently actuator can be mounted in 4 positions at 90° on top of the valve. For biggest actuator models, the bore of the yoke can be machined according to the dimensions of valve stem.
  • Page 13 Lift ALGAS actuators (pneumatic spring return) by means of the proper lifting points represented and indicated on actuator by sticking labels. Also refer to figures 2.3 for lifting points positions. Figure 2.3 © Copyright by BIFFI Italia. All right reserved. page 13 Contents may change without notice...
  • Page 14 Any lifting method different from what described above is strictly forbidden. BIFFI reject any responsibility for damages to goods or injuries to persons coming from wrong lifting operations. The actuator can be assembled onto the valve flange either by using the actuator-housing flange with threaded holes, or by the interposition of an adaptor flange or a spool piece.
  • Page 15 The stud bolts must be made of ASTM A320 L7 steel; the nuts must be made of ASTM A194 grade 2 steel. © Copyright by BIFFI Italia. All right reserved. page 15 Contents may change without notice...

  • Page 16: Valve Stem With Horizontal Axis

    The actuator can also be lifted to assemble directly onto the valve with stem with horizontal axis. Remove the manual override (unscrewing the 4 fixing-screws with its washers) to make easier the lifting operations: © Copyright by BIFFI Italia. All right reserved. page 16 Contents may change without notice...
  • Page 17 2) Balance the weight and lift the actuator until to make possible the rotation of actuator in its final mounting position, with cylinder on top, or spring container placed on top, as showed in the following images: © Copyright by BIFFI Italia. All right reserved. page 17 Contents may change without notice...
  • Page 18 6) Reassemble the manual override with 4 fixing screws and washers. 7) If possible, operate the actuator to check that it moves the valve smoothly. © Copyright by BIFFI Italia. All right reserved. page 18 Contents may change without notice...

  • Page 19: Operation And Use

    5) Tighten the lock nut, after having correctly placed the threaded seal washer (item 3 and 4). © Copyright by BIFFI Italia. All right reserved. page 19 Contents may change without notice...

  • Page 20: Travel Stop Screw Screwed On The End Of Mechanical Manual Override

    3.1.2 Travel stop screw screwed on the end of mechanical manual override ( figure 1) ALGAS WRENCH WRENCH ACTUATOR SIZE (mm) (mm) ALGAS WRENCH WRENCH ACTUATOR SIZE (mm) (mm) © Copyright by BIFFI Italia. All right reserved. page 20 Contents may change without notice...

  • Page 21: Travel Stop Screw Screwed On The End Flange Of Spring Container

    5) Tighten the lock nut, after having correctly placed the threaded seal washer “s” and “w”. To operate the adjustments, refer to following’s tables: © Copyright by BIFFI Italia. All right reserved. page 21 Contents may change without notice...
  • Page 22 3900 4200 5000 5050 5100 5400 8300 9200 9400 9600 9800 9900 10500 11000 12000 15000 15400 15600 17300 18400 18600 18700 19400 19600 19700 © Copyright by BIFFI Italia. All right reserved. page 22 Contents may change without notice...

  • Page 23: Calibration Of Limit Switches

    End of stroke microswitches should be operated before the stop of the stroke of the actuator due to mechanical stops. Adjust the relative cams properly. © Copyright by BIFFI Italia. All right reserved. page 23 Contents may change without notice...

  • Page 24: Calibration Of Operating Time In Supply Operation

    Use and maintenance manual 3.3 Calibration of operating time in supply operation 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...

  • Page 25: Preparation For Start-Up

    If conduits are used, it is advisable to carry out the connection to the electrical enclosures by inserting hoses so as not to cause anomalous stress on the housing cable entries. © Copyright by BIFFI Italia. All right reserved. page 25 Contents may change without notice...

  • Page 26: Start-Up

    6) Remove all rust and, in accordance with the applicable painting specifications, repair paint-coat that has been damaged during transport, storage or assembly. © Copyright by BIFFI Italia. All right reserved. page 26 Contents may change without notice...

  • Page 27: Operational Tests And Inspections

    To ensure the guaranteed SIL grade, according to Important: 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. page 27 Contents may change without notice...

  • Page 28: Maintenance

    5) Check that the external components of the actuator are in good conditions. 6) Check all the paint-coat of the actuator. If some areas are damaged, repair the paint-coat according to the applicable specification. © Copyright by BIFFI Italia. All right reserved. page 28 Contents may change without notice...

  • Page 29: Special Maintenance

    Bring the adjustment screw back to the maximum (26) to let the ❑ spring loosen. Before disassembling the cylinder, make sure the above operation of spring release is done. © Copyright by BIFFI Italia. All right reserved. page 29 Contents may change without notice...

  • Page 30: Replacement Of Cylinder Seals

    4) Screw the stop screw (26) into the threaded hole of the end flange until it reaches its original position (the same protrusion with reference to the flange surface). To make the operation easier © Copyright by BIFFI Italia. All right reserved. page 30 Contents may change without notice...
  • Page 31 © Copyright by BIFFI Italia. All right reserved. page 31 Contents may change without notice...
  • Page 32 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 32 Contents may change without notice...

  • Page 33: Replacement Of The Seals Of Manual Override "Mhw

    (52) till it reaches its previous position related to fully open valve position (the same © Copyright by BIFFI Italia. All right reserved. page 33 Contents may change without notice...

  • Page 34: Replacement Of The Seals Of Reduced-Manual Override "Mrhw

    Assemble the key (13). Move the reduction unit to its working position and fasten it to the spacer bracket (5) by the screws (31). © Copyright by BIFFI Italia. All right reserved. page 34 Contents may change without notice...
  • Page 35 © Copyright by BIFFI Italia. All right reserved. page 35 Contents may change without notice...
  • Page 36 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 36 Contents may change without notice...
  • Page 37 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 37 Contents may change without notice...
  • Page 38 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 38 Contents may change without notice...
  • Page 39 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 39 Contents may change without notice...
  • Page 40 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 40 Contents may change without notice...

  • Page 41: Lubrication Of Mechanism

    It’s also necessary restore the grease into spring-cartridge (for this operation remove the plug on end-flange of spring-cartridge and restore a generous coating of grease) The following grease is used by BIFFI for standard working temperature and suggested for re-lubrication: AGIP MU/EP/2...

  • Page 42: 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. page 42 Contents may change without notice...

  • Page 43: 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. page 43 Contents may change without notice...
  • Page 44 7 Parts List 7.1 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 45 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 45 Contents may change without notice...
  • Page 46 “ALGAS-MHW or MRHW" Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. page 46 Contents may change without notice...
  • Page 47 “ALGAS-MHW or MRHW" Use and maintenance manual Table 2: pneumatic cylinder © Copyright by BIFFI Italia. All right reserved. page 47 Contents may change without notice...
  • Page 48 “ALGAS-MHW or MRHW" Use and maintenance manual Table 3: Spring cartridge © Copyright by BIFFI Italia. All right reserved. page 48 Contents may change without notice...
  • Page 49 “ALGAS-MHW or MRHW" Use and maintenance manual Table 4: assembly kit © Copyright by BIFFI Italia. All right reserved. page 49 Contents may change without notice...
  • Page 50 Next maintenance operation date: ……… exec. by : ………… ……… exec. by : ………… Start-up date : ( in factory, on delivery ).……………………. .……………………. ( on plant ) © Copyright by BIFFI Italia. All right reserved. page 50 Contents may change without notice...

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