BIFFI GPO-EAC User manual
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
September 2020
Bif GPO-EAC
Gas-Hydraulic Actuator
Copyright © Bif. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website www.bif.it or from your nearest Bif Center:
Bif Italia s.r.l. - Strada Bif 165, 29017 Fiorenzuola d'Arda (PC) – Italy PH: +39 0523 944 411 – bif_italia@bif.it
September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Revision Details
Revision Details
Rev. Date Description Prepared Approved
1 September 2020 General update (migration to new template)
0 October 2017 Document release Ermanni Oreci
Revision Details
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Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1 September 2020
Table of Contents
Table of Contents
Table of Contents
Section 1: General Warnings
1.1 Generalities.................................................................................................... 1
1.1.1 Applicable Regulation ......................................................................... 1
1.1.2 Terms and Conditions.......................................................................... 2
1.2 Identication Plate ......................................................................................... 2
1.3 Introducing the Actuator................................................................................ 2
1.4 Data Sheet ..................................................................................................... 3
Section 2: Installation
2.1 Checks Upon Actuator Receipt ....................................................................... 4
2.2 Actuator Handling.......................................................................................... 4
2.2.1 Instruction for Transport with Tanks in Horizontal Position .................. 7
2.2.2 Procedure If Oil Leaks from the Tanks into the Pneumatic Valves ....... 12
2.3 Storage ........................................................................................................ 13
2.4 Actuator Assembly on the Valve................................................................... 13
2.4.1 Types of Assembly............................................................................. 13
2.4.2 Assembly Procedure.......................................................................... 18
2.5 Pneumatic Connections ............................................................................... 19
2.6 Electrical Connections (If Any)...................................................................... 20
2.7 Commissioning............................................................................................ 21
Section 3: Operation and Use
3.1 Operation Description.................................................................................. 22
3.2 Residual Risks............................................................................................... 25
3.3 Operations................................................................................................... 25
3.3.1 Local Pneumatic Operation ............................................................... 25
3.3.2 Local Hydraulic Manual Operation..................................................... 26
3.3.3 Remote Operation............................................................................. 27
3.4 Calibration of the Angular Stroke ................................................................. 28
3.5 Calibration of Micro-switches (If Foreseen)................................................... 30
3.6 Calibration of the Operation Time................................................................ 32
Section 4: Operational Tests and Inspections
Operational Tests and Inspections.......................................................................... 34
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September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Table of Contents
Table of Contents
Section 5: Maintenance
5.1 Periodic Maintenance................................................................................... 35
5.1.1 Check and Restore Oil Level in the Gas-Hydraulic Tanks ..................... 36
5.2 Extraordinary Maintenance .......................................................................... 38
5.2.1 Lubrication of Mechanism ................................................................. 38
5.2.2 Replacing the Seals of the Cylinder .................................................... 39
5.3 Dismantling and Demolition ........................................................................ 40
Section 6: Troubleshooting
6.1 Failure or Breakdown Research ..................................................................... 41
Section 7: Layouts
7.1 Spare Parts Order......................................................................................... 42
7.2 Parts List for Maintenance and Replacing Procedure..................................... 43
Section 8: Gas-Hydraulic Tanks
8.1 Installation, User and Maintenance Manual .................................................. 52
Section 9: Date Report for Maintenance Operations
Date Report for Maintenance Operations ............................................................... 53
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Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1 September 2020
General Warnings
Section 1: General Warnings
NOTICE
The manual is an integral part of the machine, it should be carefully read before carrying
out any operation and it should be kept for future references.
1.1 Generalities
Bif Italia s.r.l actuators are conceived, manufactured and controlled according to the
Quality Control System in compliance with EN-ISO 9001 international regulation.
1.1.1 Applicable Regulation
EN ISO 12100:2010: Safety of machinery – General principles for design –
Risk assessment and risk reduction
2006/42/EC: Machine directive
2014/68/EU: Directive for pressure PED equipment
2014/35/EU: Directive for low voltage equipment
2014/30/EU: Directive for the electromagnetic compatibility
2014/34/EU: Directive and safety instructions for use in hazardous area
TR TS 004/2011 Customs Union Technical Regulation
(For safety of low voltage equipment)
TR TS 010/2011 Customs Union Technical Regulation
(For safety of equipment and machines)
TR TS 012/2011 Customs Union Technical Regulation
(For safety of equipment operated in explosive atmosphere)
TR TS 020/2011 Customs Union Technical Regulation
(Electromagnetic Compatibility of Technical Products)
TR TS 032/2013 Customs Union Technical Regulation
(For safety of Excess Pressure Equipment)
Section 1: General Warnings
NOTICE
Bif Italia s.r.l. pays the highest attention to collecting and verifying the documentation
contained in this user manual. However Bif Italia s.r.l. is not liable for any mistakes
contained in this manual, for damage or accidents due to the use of the latter. The
information contained is of exclusive reserved ownership of Bif Italia s.r.l. and may be
modied without prior notice. All rights reserved.
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September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
General Warnings
1.1.2 Terms and Conditions
Bif Italia s.r.l. guarantees that all the items produced are free of defects in workmanship
and manufacturing materials and meet relevant current specications, provided they
are installed, used and serviced according to the instructions contained in the present
manual. The warranty can last either one year from the date of installation by the initial
user of the product, or eighteen months from the date of shipment to the initial user,
depending on which event occurs rst. All detailed warranty conditions are specied in the
documentation forwarded together with the product. This warranty does not cover special
products or components not warranted by subcontractors, or materials that were used or
installed improperly or were modied or repaired by unauthorized staff. In the event that
a fault condition be caused by improper installation, maintenance or use, or by irregular
working conditions, the repairs will be charged according to applicable fees.
The warranty and Bif Italia s.r.l. liability shall lapse in the event that any modication
or tampering whatsoever be performed on the actuator.
1.2 Identication Plate
It is forbidden to modify the information and the marks without previous written
authorization by Bif Italia s.r.l.
The plate fastened on the actuator contains the following information (Figure 1).
Figure 1 Data Plate
Section 1: General Warnings
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Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1 September 2020
General Warnings
Section 1: General Warnings
The GPO actuator (Figure 2) is composed of one or two double action hydraulic cylinders
that, pressurized, determines the linear motion of the piston contained in it.
The linear motion of the piston is transformed into rotation by a scotch yoke mechanism.
Gas sampled by the line, pressurizes oil contained in one of the two gas-hydraulic tanks
and then the one of the cylinder determining the drive of the actuator.
A peculiar feature of GPO actuator is its great exibility of use obtained by the choice of
a manufacturing solution easy, solid and without parts in motion.
The expected lifetime of actuator is approximately 25 years .
Figure 2 Identication of Actuator Parts
1.3 Introducing the Actuator
The gas hydraulic GPO actuator is designed and used for the operation of quarter-turn
valves (ball valves and plug valves) installed on gas transportation lines, in compressor
stations and everywhere a high pressure gas supply is available.
Hydraulic manual override
Gas-hydraulic tanks
Flow-regulator valves
Pneumatic
control group
Scotch yoke mechanism
Hydraulic
cylinder
1.4 Data Sheet
Supply uid Natural gas / nitrogen /air
Operating temperature Standard: from –20 °C to +80 °C
Optional: from –60 °C to +80 °C
Supply pressure Standard: ranging from 7 to 100 bar.
Optional: minimum pressures starting from 3,5 bar, maximum
pressure up to 160 bar. For higher gas supply
pressure, a pressure regulator is foreseen.
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September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Installation
Section 2: Installation
2.1 Checks Upon Actuator Receipt
• Check that the model, the serial number of the actuator and the technical data
reported on the identication plate correspond with those of order conrmation
(Section 1.2).
• Check that the actuator is equipped with the ttings as provided for by
order conrmation.
• Check that the actuator was not damaged during transportation: if necessary
renovate the painting according to the specication reported on the
order conrmation.
• If the actuator is received already assembled with the valve, its settings have
already been made at the factory.
• 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 (Section 3.4) and of
micro-switches (if any) (Section 3.5).
2.2 Actuator Handling
NOTICE
The lifting and handling should be made by qualied staff and in compliance with the laws
and provisions in force.
!
WARNING
The fastening points are appropriate for the lifting of the actuator alone and not for the
valve+actuator assembly. Avoid that during the handling, the actuator passes above the
staff. The actuator should be handled with appropriate lifting means. The weight of the
actuator is reported on the delivery bill.
Section 2: Installation
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Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1 September 2020
Installation
Section 2: Installation
Figure 3 Lifting Points
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September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Installation
Section 2: Installation
Figure 4 Lifting Points
1 = Point of support
2 = Don’t lay the actuator on tie-rods
1, 2 = Lifting points (obligatory)
3 = Balancing point
Figure 5 Lifting Points
This manual suits for next models
1
Table of contents
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