Description
Forged Steel Bellow Gate Valve,800LB,DN20,SW End
Bellows Sealed Gate Valve/Feature:
Stem with bellowseal,
Two plybellowseal
Secondary sealing,gland packing
None-rising handwheel
Non-rotation lock of stem
NPS & Class :
NPS 1/2 ~” 2″ Class150LB~1500LB
Main Parameters :
Design and Manufacture :API 602,ASME B16.34,BS 5352
Face to Face Dimension :ASME B16.10,EN558(Threaded Ends and Socket Welded ends as Per Manufacture’s Specification)
Flange Connection Dimension :ASME B16.5
BW Connection Dimension :ASME B16.25
Threaded Ends Dimension :ASME B1.20.1
Socket Welded Ends Dimension :ASME B16.11
Pressure-Temperature Ratings :ASME B16.34
Test and Inspection :API 598
Main Materials :A105,LF2,F5,F9,F11,F22,F304,F304L,F316,F321,F51
Bellow materials :SS304,SS316L,SS321,Hastelloy C276