Detailed Product Description

Forged Steel Y -Pattern Valves
Pattern valves are available in Three bonnet designs.The first design is the Bolted Bonnet,with male -female joint, spiral wound gasket,made in F304L/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.The third design is the pressure seal bonnet,with a threaded and pressure seal bonnet joint.The
Y-Pattern valves are available in globe and check design configurations.

Y-Pattern Design Construction and Specifications
Pattern blobe and check valves conform to ANSI B 16.34.Each are
tested according to API 598,and marking is per MSS SP-25.

Construction is as follows:
Full Port
Piston and ball check
Spring available on request
Loose solid disc
Two piece self-aligning packing gland
Integral back seat
Outside Screw and Yoke(OS&Y)
Bolter bonnet with spiral-wound gasket,threaded and
Seal welded bonnet or threaded and pressure seal bonnet
Socket weld ends to ASME B 16.11
Screwed Ends(NPT)to ANSI/ASME B 1.20.1
Size:1/2-2
Pressure:150-2500Lb
Material:A105.LF2.F22.F11.F9.F5.F304.F304L.F316.
F316L/F321.F5