BIFFI OLGAS User manual
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
December 2020
Bif OLGAS
Spring-Return Hydraulic Actuators
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
Revision Details
December 2020
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
Revision Details
Revision Details
Revision Date Description Prepared Checked Approved
5 December 2020 Migration to new template
4April 2020 Updated DATAPLATE Ermanni Oreci Vigliano
3April 2018 Updated applicable regulation (chapter 1.1.1) Ermanni Oreci Vigliano
2July 2012 General update Ermanni Stoto Vigliano
1 February 2010 General update Ermanni Stoto Vigliano
0May 1999 Document release Lazzarini Aliani Ziveri
i
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
Table of Contents
December 2020
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............................................................................... 3
1.4 Data Sheet .................................................................................................... 3
Section 2: Installation
2.1 Checks Upon Actuator Receipt ...................................................................... 4
2.2 Actuator Handling......................................................................................... 4
2.3 Storage ......................................................................................................... 7
2.4 Actuator Assembly on the Valve.................................................................... 8
2.4.1 Types of Assembly.............................................................................. 8
2.4.2 Assembly Procedure......................................................................... 13
2.5 Hydraulic Connections................................................................................ 14
2.6 Electrical Connections (If Any)..................................................................... 14
2.7 Commissioning........................................................................................... 15
Section 3: Operation and Use
3.1 Operation Description................................................................................. 16
3.2 Residual Risks.............................................................................................. 17
3.3 Operations.................................................................................................. 17
3.3.1 Emergency Manual Operation .......................................................... 17
3.3.2 Remote Control Operations.............................................................. 19
3.4 Calibration of the Angular Stroke ................................................................ 21
3.5 Calibration of Micro-Switches (If Foreseen).................................................. 25
3.6 Calibration of the Operation Time (If Required)........................................... 26
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Table of Contents
December 2020
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
Table of Contents
Section 4: Operational Tests and Inspections
Operational Tests and Inspections......................................................................... 27
Section 5: Maintenance
5.1 Periodic Maintenance.................................................................................. 28
5.1.1 Check and Restore Oil Level in the Hydraulic Manual Handpump...... 29
5.2 Extraordinary Maintenance ......................................................................... 31
5.2.1 Replacement of Cylinder Seals .......................................................... 32
5.3 Lubrication of Mechanism........................................................................... 35
5.4 Dismantling and Demolition ....................................................................... 36
Section 6: Troubleshooting
6.1 Failure or Breakdown Research.................................................................... 37
Section 7: Layouts
7.1 Spare Parts Order........................................................................................ 38
7.2 Parts List for Maintenance and Replacing Procedure.................................... 39
Section 8: Date Report for Maintenance Operations
Date Report for Maintenance Operations .............................................................. 46
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5 December 2020
General Warnings 1
Section 1: 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
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 con-
tained 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.
December 2020
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
General Warnings2
Section 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 (Figure1).
Figure 1 Data plate
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5 December 2020
General Warnings 3
Section 1: General Warnings
1.3 Introducing the Actuator
The hydraulic actuator OLGAS was engineered and is manufactured to provide fail safe
operation for any quarter turn application such as ball, plug, buttery valves or dampers, in
both On-Off and Modulating heavy duty service.
The actuator (see Figure 2) is made up of a weatherproof scotch yoke mechanism
transforming the linear movement of the hydraulic cylinder (on closing or opening) into
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 simplies assembly. The spring action can be easily changed in the eld
from “to close” in “to open” or vice- versa. The angular stroke of the yoke is adjustable
between 82° and 98° by means of the external mechanical stops screwed into the spring
cartridge and into the end ange of the hydraulic cylinder. The cover of the scotch yoke
mechanism is arranged for the assembly of the required accessories (positioner, signalling
limit switches, position transducer, etc.) by means of proper matching units. The above
mentioned accessories are operated by the actuator drive sleeve. The housing of the scotch
yoke mechanism has a ange with threaded holes to x the actuator to the valve either
directly or, if required, with the interposition of an adaptor ange or a mounting bracket.
The actuator yoke has a hole with keyways suitable for the assembly of an insert bush
the internal hole of which is machined (by Bif or at Customer's care), according to the
shape and dimensions of the valve stem. Bif can supply different types of control system
following Customer's requirements.
The expected lifetime of actuator is approximately 25 years .
1.4 Data Sheet
Supply uid Hydraulic oil, special versions for re-resistant uids
Operating temperature Standard: from –30 °C to +100 °C
Optional: from –60 °C to +140 °C
Design pressure 12 bar maximum
Supply pressure Please refer to technical document: “actuator data-sheet”
Figure 2 Identication of actuator parts
Spring cartridge
Valve position indicator
Hydraulic Cylinder
Valve Coupling
Scotch yoke
mechanism
December 2020
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
Installation
4
Section 2: 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,
see 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 of the actuator must be done by qualied personnel and in
accordance with the laws and regulations in force. Avoid the lifted actuator to be hung
above the personnel.
! WARNING
The actuator must be lifted by means of a suitable lifting apparatus. The weight of the
actuators is indicated in the technical documentation attached to the equipment itself.
For lifting and moving the actuator, use only hooks tted with safety latch, like the one,
for example, shown in Figure 3.
Figure 3 Example of hook with safety latch
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5 December 2020
Installation 5
Section 2: Installation
Figure 4 Lifting points for OLGAS actuators
1-2 = Lifting points (obligatory)
3= Balancing point
1= point of support
2= supports for lateral positioning
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.)
• For lifting unbalanced loads, use ropes of different lengths or chains with
adjustable length.
• Check each time the conditions of all lifting equipment used 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 and remain at a safe distance from lifted actuator
unless absolutely necessary; do not stand or pass under suspended loads.
• Pay attention in putting under tension the ropes to prevent the load shifting
sideways in an uncontrolled manner.
• Use slings of such length that the angles of the leg from vertical are as narrow
as possible (αMAX < 20°).
• During handling, do not transport the suspended actuator above staff
members in charge of the operation.
! WARNING
Do not use the lifting eyelets on actuator to lift valve + actuator assembly.
December 2020
Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
Installation
6
Section 2: Installation
Figure 6
For the transport of OLGAS with hydraulic manual handpump, when it was necessary put
in horizontal position the tank of MHP, to avoid leakage on oil level stick, substitute these
with a blind-plug during the transport (a specic 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.
Bif hydraulic manual handpump must be maintained with tank under the handpump to
operate the actuator with MHP correctly.
Figure 5
Table of contents
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