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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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Содержание OLGAS 0.3

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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