Safety Information
Safe operation of these products can only be guaranteed if they are properly installed, commissioned, used and maintained by qualified personnel in compliance with the operating instructions. General installation and safety instructions for pipeline and plant construction, as well as the proper use of tools and safety equipment must also be complied with.
Access
Ensure safe access and if necessary a safe working platform (suitably guarded) before attempting to work on the product. Arrange suitable lifting gear if required
Lighting
Ensure adequate lighting, particularly where detailed or intricate work is required.
Hazardous liquids or gases in the pipeline
Consider what is in the pipeline or what may have been in the pipeline at some previous time. Consider: flammable materials, substances hazardous to health, extremes of
temperature.
Pressure systems
Before attempting any maintenance consider what is or may have been in the pipeline. Ensure that any pressure is isolated and safely vented to atmospheric pressure before attempting to maintain the product. Do not assume that the system is depressurised even when a pressure gauge indicates zero.
General description
A range of bellows sealed, in-line stop valves having flanged PN40 connections are available for steam, gas, liquid, condensate and water systems. The GAV 66AF-T is a completely stainless steel bellows sealed stop valve. As standard the valve is available with twin ply bellows, throttling plug, locking device, grease nipple and provision for a stroke limiter.
Nominal Pressure : 40 Bar (PN 40)
Max. Pressure : 40 bar g @ 100 °C (580.2 psi g @ 212 °F)
Max. Temperature : 400 °C @ 27.4 bar g (752 °F @ 397.4 psi g)
Maximum operating pressure for saturated steam service:
Maximum operating temperature:
The handwheel nut on the GAV 66AF-T has a threaded hole for the provision of a stroke limiter.
Customer to supply standard nuts and bolts as indicated below:
Size Hexagon bolt
DN15 - DN80 M8 x 50 mm
DN100 M12 x 75 mm
Note: The maximum permissible differential pressure in throttling function:
DN15 - DN80 2.0 bar
DN100 1.5 bar
Gestra GAV 66AF-T Stainless Steel Bellows Sealed Globe Valve PN 40
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Gestra Bellow Sealed Globe Valve PN 40 GAV 66AF T | Aquametro | Ari Armaturen | Asahi | Beru | Condor | Danfoss | DelVal |
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