BIFFI GIGS 0.3 Use And Maintenance Manual

Spring return direct gas actuator

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GIGS – Spring return direct gas actuator
Use and maintenance manual
GIGS
SPRING RETURN DIRECT
GAS ACTUATOR
MAN 611
Use and mantenance manual
© Copyright by BIFFI Italia. All right reserved.
Pag. 1
Contents may change without notice

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  • Page 1 GIGS – Spring return direct gas actuator Use and maintenance manual GIGS SPRING RETURN DIRECT GAS ACTUATOR MAN 611 Use and mantenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 1 Contents may change without notice...
  • Page 2 The information contained is of exclusive reserved ownership of BIFFI Italia S.r.l and may be modified without prior notice. All rights reserved. Ermanni...
  • Page 3: Table Of Contents

    7 Layouts ................45 7.1 Spare parts order ..............45 7.2 parts-list for maintenance and replacing procedure ....46 8 Date report for maintenance operations ......55 © Copyright by BIFFI Italia. All right reserved. Pag. 3 Contents may change without notice...
  • 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 above mentioned accessories are operated by the actuator drive sleeve. The housing of the scotch yoke mechanism has a flange with threaded holes to fix the actuator © Copyright by BIFFI Italia. All right reserved. Pag. 5 Contents may change without notice...
  • Page 6: Data Sheet

    (by BIFFI or at Customer's care), according to the shape and dimensions of the valve stem. BIFFI can supply different types of control system following Customer's requirements.
  • Page 7: Installation

    2.1 Figure 2.1 Example of hook with safety latch Picture 2.2 – Lifting points for GIGS actuators © Copyright by BIFFI Italia. All right reserved. Pag. 7 Contents may change without notice...
  • Page 8 3 = don’t lay the actuator on tie-rods of cylinder /s and don’t lay the actuator on accessories ( manual override, pneumatic control group etc. ) © Copyright by BIFFI Italia. All right reserved. Pag. 8 Contents may change without notice...
  • Page 9 • During handling, do not transport the suspended actuator above staff members in charge of the operation. DO NOT USE the lifting eyelets on actuator to lift valve + actuator assembly Figure 2.3 © Copyright by BIFFI Italia. All right reserved. Pag. 9 Contents may change without notice...
  • Page 10: Storage

    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 11 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 11 Contents may change without notice...
  • Page 12 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 12 Contents may change without notice...
  • Page 13 GIGS – Spring return direct gas actuator 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 enclosed ( see following pages ). On request the...
  • Page 14 Insert bush turned upside down Figure 3 – 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 15: Assembly Procedure

    (Sect. 3.4). Fasten threaded connections. Please refer to Table 1. ❑ Table 1: nuts tightening torque Tightening torque Threading (Nm) © Copyright by BIFFI Italia. All right reserved. Pag. 15 Contents may change without notice...
  • Page 16: Pneumatic 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. 16 Contents may change without notice...
  • Page 17: 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. 17 Contents may change without notice...
  • Page 18: Operation And Use

    (see chapt. 3.5) is adjustable by unidirectional flow regulators (item 278) ( refer to follow GIGS typical control schematics ) ; For all the relevant information please refer to the specific documentation supplied. © Copyright by BIFFI Italia. All right reserved. Pag. 18 Contents may change without notice...
  • Page 19 GIGS – Spring return direct gas actuator Use and maintenance manual Typical control schematics Spring return direct gas actuator with local / remote controls © Copyright by BIFFI Italia. All right reserved. Pag. 19 Contents may change without notice...
  • Page 20 GIGS – Spring return direct gas actuator Use and maintenance manual Spring return direct gas actuator with manual override - local / remote controls © Copyright by BIFFI Italia. All right reserved. Pag. 20 Contents may change without notice...
  • Page 21 GIGS – Spring return direct gas actuator Use and maintenance manual Spring return direct gas actuator with hydraulic manual override - local / remote controls © Copyright by BIFFI Italia. All right reserved. Pag. 21 Contents may change without notice...
  • Page 22: Residual Risks

    Check the correct operation of the actuator through the visual ❑ position indicator. Release the lever to operate by spring-cartridge in the opposite way ❑ to fail-safe position © Copyright by BIFFI Italia. All right reserved. Pag. 22 Contents may change without notice...
  • Page 23: Local Hydraulic Manual Operation

    (see chapt.7.2 table 5: sectional drawing for hydraulic control unit MHP) IMPORTANT : Assemble the MHP in vertical position (as shown in photo) to work properly the actuator, any other mounting position is strictly forbidden © Copyright by BIFFI Italia. All right reserved. Pag. 23 Contents may change without notice...
  • Page 24: Calibration Of The Angular Stroke

    (g). Keep the protection cover blocked with the special wrench (c3). ❑ Turn counter-clockwise to increase the angular stroke, turn ❑ clockwise to decrease it. © Copyright by BIFFI Italia. All right reserved. Pag. 24 Contents may change without notice...
  • Page 25 When the adjustment is over tighten the plug (t). ❑ Figure 7 – Mechanical stop of the cylinder PNEUMATIC WREN WRENC WRENC CYLINDER CH C1 H C2 H C3 SIZE (mm) (mm) (mm) © Copyright by BIFFI Italia. All right reserved. Pag. 25 Contents may change without notice...
  • Page 26: Calibration Of Microswitches (If Foreseen)

    2) If the actuator angular stroke is stopped before reaching the end position, unscrew the stop screw “v” by turning it anticlockwise until the valve reaches the correct position. © Copyright by BIFFI Italia. All right reserved. Pag. 26 Contents may change without notice...
  • Page 27 SPRING WRENCH C1 WRENCH CONTAINER (mm) SIZE (mm) 0200 0350 0400 0700 1100 1200 2000 2500 3800 5100 5400 8300 9600 9800 11000 15000 15600 © Copyright by BIFFI Italia. All right reserved. Pag. 27 Contents may change without notice...
  • Page 28 When unscrewing the stop screw, keep the lock nut still with a wrench so that the sealing washer does not withdraw together with the screw. © Copyright by BIFFI Italia. All right reserved. Pag. 28 Contents may change without notice...
  • Page 29 5) Tighten the lock nut, after having correctly placed the threaded seal washer (item 3 and 4). © Copyright by BIFFI Italia. All right reserved. Pag. 29 Contents may change without notice...
  • Page 30 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. 30 Contents may change without notice...
  • Page 31 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. 31 Contents may change without notice...
  • Page 32: Calibration Of The Operation Time

    GIGS – Spring return direct gas actuator Use and maintenance manual 3.6 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...
  • Page 33: 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. 33 Contents may change without notice...
  • Page 34: Maintenance

    If the filter is made of cellulose, it must be replaced when clogged. © Copyright by BIFFI Italia. All right reserved. Pag. 34 Contents may change without notice...
  • Page 35: Check And Restore Oil Level In The Gas-Hydraulic Tanks

    MINIMUM (Picture 13: minimum level is in correspondence to the end of dipstick ) until to reach the optimal (MAXIMUM) oil level . Operate the distributor lever to “Remote” position ❑ © Copyright by BIFFI Italia. All right reserved. Pag. 35 Contents may change without notice...
  • Page 36: Replacing The Seals

    Use and maintenance manual For refill use oil of the same brand as previous, refer to related technical documentation Table 2: 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 37: Extraordinary Maintenance

    If the actuator can be operated, it is essential to take it to fail safe position, with the spring totally extended, otherwise the © Copyright by BIFFI Italia. All right reserved. Pag. 37 Contents may change without notice...
  • Page 38 4) Unscrew the nuts (25) from the tie rods (18) : they must be gradually unscrewed all at the same time. 5) Slide off the end flange (22) and the tube (21). © Copyright by BIFFI Italia. All right reserved. Pag. 38 Contents may change without notice...
  • Page 39 The © Copyright by BIFFI Italia. All right reserved. Pag. 39 Contents may change without notice...
  • Page 40 © Copyright by BIFFI Italia. All right reserved. Pag. 40 Contents may change without notice...
  • Page 41 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 41 Contents may change without notice...
  • 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. Pag. 42 Contents may change without notice...
  • Page 43: Lubrication Of Mechanism

    It’s 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 44: 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. 44 Contents may change without notice...
  • Page 45: 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 46: Parts-List For Maintenance And Replacing Procedure

    GIGS – Spring return direct gas actuator Use and maintenance manual 7.2 PARTS-LIST FOR MAINTENANCE AND REPLACING PROCEDURE Table 1: Scotch-yoke mechanism © Copyright by BIFFI Italia. All right reserved. Pag. 46 Contents may change without notice...
  • Page 47 GIGS – Spring return direct gas actuator Use and maintenance manual Table 2: pneumatic cylinder © Copyright by BIFFI Italia. All right reserved. Pag. 47 Contents may change without notice...
  • Page 48 GIGS – Spring return direct gas actuator Use and maintenance manual Table 3: Spring cartridge © Copyright by BIFFI Italia. All right reserved. Pag. 48 Contents may change without notice...
  • Page 49 GIGS – Spring return direct gas actuator Use and maintenance manual Table 4: assembly kit © Copyright by BIFFI Italia. All right reserved. Pag. 49 Contents may change without notice...
  • Page 50 GIGS – Spring return direct gas actuator Use and maintenance manual Table 5: Hydraulic control unit MHP © Copyright by BIFFI Italia. All right reserved. Pag. 50 Contents may change without notice...
  • Page 51 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 51 Contents may change without notice...
  • Page 52 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 52 Contents may change without notice...
  • Page 53 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 53 Contents may change without notice...
  • Page 54 GIGS – Spring return direct gas actuator Use and maintenance manual © Copyright by BIFFI Italia. All right reserved. Pag. 54 Contents may change without notice...
  • Page 55: 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. 55 Contents may change without notice...

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