Forged Steel Bellow Sealed Valve
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Trust forged steel bellow sealed valves are available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet with a threaded and seal welded joint. On request a full penetration strength welded joint is available.
Trust bellow sealed valve conform to API602, MSS-SP-118 (AS APPLICABLE) , BS 5352 and ANSI B16.34. Each are tested according to API598 and marking is per MSS SP-25.
Construction is as follows:
Two piece self -aligning packing gland.
Bolted bonnet with spiral-wound gasket or threaded and seal welded bonnet
ASME B16.11 socket weld ends to ASME B16.11.
AMME B1.20.1 Screwed Ends to ANSI/ASME B1.20.1
Outside screw and Yoke.
Grease nipple for stem.
We produce Bellow sealed globe valve 3/8''-2'' with 800Lb.