OMB Valves S.p.A
. Forged steel GATE, GLOBE & CHECK Valves Installation, Operation and Maintenance Manual Rev.5- 2016
Via Europa,7 Cenate Sotto 24069 (BG) Italy
Tel: +39 035 4256711
Fax: +39 035 942638
www.ombvalves.com
15
WARNINGS
REPAIRING THE VALVES ON THE FIELD WITHOUT OMB AUTHORIZATION AND/OR OMB TECHNICAL
ASSISTANCE AND SPECIFIC SPARE PARTS WILL NOT COVER BY WARRANTY AND OMB IS NOT
RESPONSIBLE FOR CONSEQUENTIAL DAMAGES.
•
No alteration or modification should be made to any OMB valve, except as sanctioned and/or authorized by
OMB S.P.A.
•
Only qualified and experienced person must carry out operation.
•
Personal protective equipment (PPE) must be worn during maintenance process.
•
Installation, operation and maintenance of valves may involve proximity to fluids at extreme pressures and
temperatures; every precaution should be taken into attention to prevent injury to personnel during the
performance of any procedure consequently.
•
Valves must NOT be installed immediately after welding. Shall wait until they completely cool down.
•
Special knowledge of design and material is required for Oxygen service operation to prevent serious injury, or
property damage.
•
Before connecting valves to the source service, ensure existing pressure in the line is no greater than the
maximum rated pressure of the valve.
•
DO NOT attempt to remove the body-connectors bolts while the valve is under pressure.
•
Ensure pressure of the system is completely released before tightening fittings.
•
In case of leakage or malfunctioning, valves must be taken out of service immediately.
•
Before starting maintenance process, ensure that the actuator (if any) is not connected to the electrical or
pneumatic line.
•
Bill of material and assembly drawing is required in advance of maintenance procedure.
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Maintenance instruction must be followed properly to avoid valve damage and personal injury.
•
All valve parts and components must be free from dirt or dust in advance of assembly process.
•
Before valves disassembly make sure, there is no pressure in the line and/or that the parts to be disassembled
will not damage the line in any way.
•
When fitting Threaded End valves into the line, never hold either the HandWheel or the yoke whilst screwing
in and tightening, always hold the BODY.
