BIFFI OLGAS 0.3 Use And Maintenance Manual Download Page 9 | Manualshive

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OLGAS-H

– High pressure spring return hydraulic actuator

Use and maintenance manual

© Copyright by BIFFI Italia. All right reserved.

Pag. 9

Contents may change without notice

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Summary of Contents for OLGAS 0.3

Page 1: ...HYDRAULIC ACTUATOR 5 20 04 18 Updated DATAPLATE Ermanni Orefici Vigliano 4 18 04 16 Updated applicable regulation chapter 1 1 1 Ermanni Orefici Vigliano 3 07 08 13 Added lifting procedure for valve wi...

Page 2: ...SSIONING 19 3 Operation and use 20 3 1 OPERATION DESCRIPTION 20 3 2 RESIDUAL RISKS 21 3 3 OPERATIONS 21 refer to specific document operating diagram furnished 21 3 3 1Emergency manual operation 21 3 3...

Page 3: ...r l pays the highest attention to collecting and verifying the documentation contained in this user manual However BIFFI Italia S r l is not liable for any mistakes contained in this manual for damag...

Page 4: ...ms 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 inst...

Page 5: ...nto the rotary movement which is necessary for operation The spring module incorporates up to four springs fully encapsulated in a factory welded cartridge this ensure safety to personnel and simplifi...

Page 6: ...odel the serial number of the actuator and the technical data reported on the identification plate correspond with those of order confirmation Sect 1 2 Check that the actuator is equipped with the fit...

Page 7: ...rotected from direct weather conditions Replace plastic plugs of pneumatic and electrical connections if any with metal plugs that guarantee perfect tightness Coat with oil grease or protection disc t...

Page 8: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 8 Contents may change without notice...

Page 9: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 9 Contents may change without notice...

Page 10: ...tandard 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 insert bush bore can be m...

Page 11: ...nsert bush 180 around axis A A from position 2 Rotate insert bush 180 around axis A A from position 1 Insert bush turned upside down Figure 3 Insert bush intermediate coupling flange The Biffi insert...

Page 12: ...ws and regulations in force Avoid the lifted actuator to be hung above the personnel The actuator must be lifted by means of a suitable lifting apparatus The weight of the actuators is indicated in th...

Page 13: ...ed and discard it if not in perfect working order Do not knot or twist the ropes so as not to reduce the lifting capacity or produce torsional effects on the load being lifted Use the utmost caution a...

Page 14: ...plug during the transport 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...

Page 15: ...osition matching valve position Section 3 3 Lubricate valve stem with oil or grease Properly clean and remove grease from coupling flange surfaces Connect if supplied separately the adjustment insert...

Page 16: ...ated considering the materials ASTM A320 L7 for screws or tie rods and ASTM A194 gr 2H for the nuts 2 3 3 VALVE STEM WITH HORIZONTAL AXIS The actuator can also be lifted to assemble directly onto the...

Page 17: ...t by BIFFI Italia All right reserved Pag 17 Contents may change without notice 2 Balance the weight and lift the actuator until to make possible the rotation of actuator in its final mounting position...

Page 18: ...h those reported on the identification plate of the actuator The connections should be made by qualified staff Use pipes fittings and connections appropriate as for type material and dimensions Connec...

Page 19: ...plied Screw the cable gland Replace the plastic plugs of unused entries with metal plugs 2 6 COMMISSIONING Installation commissioning and maintenance and repair works should be made by qualified staff...

Page 20: ...yoke mechanism to which valve stem is coupled The fluid contained in the other chamber is discharged through the return line In the second case cutting off or in case of lack of pressure to the cylind...

Page 21: ...n have an emergency manual override in addition to the local and or remote control panel which controls the oil supplied by a power pack for the normal actuator operation The emergency manual override...

Page 22: ...al override can be included in the power pack Picture 6 Olgas h with hydraulic power pack Close the stop valve 5 S before start with manual operation Actuated the pump 5 P until to reach the complete...

Page 23: ...temperature low or high pipeline pressure etc The control systems have where is possible a manifold design the components are connected by a flange to the manifold or assembled into the cavities mach...

Page 24: ...current or alternate current and or pneumatic low pressure or high pressure Hand pump manual override available on request for oil supply to the actuator in case of energy supply failure The power pac...

Page 25: ...he mechanical stops screwed at the end of spring cartridge and into the end flange of the pneumatic cylinder Picture 8 Picture 9 Mechanical stops For the adjustment of the mechanical stop on the end f...

Page 26: ...BIFFI Italia All right reserved Pag 26 Contents may change without notice Figure 10 Mechanical stop of the cylinder HYDRAULIC CYLINDER DIAMETER WRENCH C1 mm WRENCH C2 mm From 16 To 28 8 19 From 28 To...

Page 27: ...Pag 27 Contents may change without notice For the adjustment of the travel stop screw proceed as follows see figures B figures B 1 Loosen the lock nut d 2 If the actuator angular stroke is stopped bef...

Page 28: ...troke is stopped beyond the end position screw the stop screw by turning it clockwise until the valve reaches the correct position 5 Tighten the lock nut after having correctly placed the threaded sea...

Page 29: ...wiring diagram and follow these steps Unscrew the fastening screws of the cover Picture 10 Remove the cover paying attention not to deteriorate the gasket and the cylindrical and flat coupling surfac...

Page 30: ...of the valve but is turned by 90 Remove the roll pin placed on the position indicator index Turn the indicator until reaching its proper positioning Put the roll pin back in its position End of stroke...

Page 31: ...heet included in technical documentation If necessary it s possible to modify or reset the operating time through two flow regulation valves optional placed on inlets of hydraulic cylinder see Picture...

Page 32: ...by BIFFI Italia All right reserved Pag 32 Contents may change without notice 4 Operational tests and inspections Important To ensure the guaranteed SIL grade according to IEC 61508 the functionality o...

Page 33: ...ata sheet supplied Anyway every 2 years of operation the following is recommended Check that the actuator operates the valve correctly and with the required operating times If the actuator operation i...

Page 34: ...ghten the dipstick If necessary substitute or added the oil proceeding as follow Remove the dipstick 1 from the tank cover 22 Unscrew the plug 27 and the washer 9 to drain all the oil If some dirt or...

Page 35: ...oil suggested by BIFFI Italia S r l for refilling in different working condition Standard temperature conditions 30 C 85 Producer AGIP Name ARNICA 22 Viscosity at 40 C 20 9 mm s Viscosity at 100 C 4 7...

Page 36: ...ic cylinder or a malfunction in the mechanical components or in case of scheduled preventive maintenance the actuator must be disassembled and seals must be replaced with reference to the follow gener...

Page 37: ...ntrol unit requires the cylinder chamber head flange side to be also filled with gas and the piston rod seal ring 51 to be replaced remove the screw 36 and the cover 35 Unscrew the piston rod 18 threa...

Page 38: ...ith your fingers so as to fit it into the groove take care to enlarge it uniformly without any tools which could possibly damage it The elastic memory of the kind of Teflon the seal ring is made of al...

Page 39: ...e on the contact surfaces of the yoke 11 and the bushings 41 on the yoke grooves on the sliding blocks 39 on guide bar 9 8 Assemble the new gasket 10 after cleaning the surfaces of the housing 8 and c...

Page 40: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 40 Contents may change without notice...

Page 41: ...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 workin...

Page 42: ...om the accumulator tank if present If the actuator can be operated it is essential to take it to fail safe position with the spring totally extended If actuator is still mounted onto the valve loosen...

Page 43: ...too slow Low supply pressure Restore Sect 1 4 Wrong calibration of flow regulator valves Restore Sect 3 6 Bad functioning of quick exhaust valve Call BIFFI Italia S r l Customer Service Wear of the va...

Page 44: ...ference 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 Please send every spare parts request...

Page 45: ...g return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 45 Contents may change without notice 7 2 PARTS LIST FOR MAINTENANCE AND REPLACING PROCEDURE Tab...

Page 46: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 46 Contents may change without notice Table 2 hydraulic cylinder...

Page 47: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 47 Contents may change without notice Table 3 Spring cartridge...

Page 48: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 48 Contents may change without notice Table 4 assembly kit...

Page 49: ...GAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 49 Contents may change without notice Table 5 Hydraulic control unit MH...

Page 50: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 50 Contents may change without notice...

Page 51: ...OLGAS H High pressure spring return hydraulic actuator Use and maintenance manual Copyright by BIFFI Italia All right reserved Pag 51 Contents may change without notice...

Page 52: ...BIFFI Italia All right reserved Pag 52 Contents may change without notice 8 Date report for maintenance operations Last maintenance operation date in factory on delivery exec by exec by exec by Next m...

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