Forged Steel Y Pattern Pressure Seal Check Valve (H61Y)

Specifications:
 1.Y pattern body
 2.Pressure seal bonnet
 3.Piston lift type,
 Ball typeis available
 4.Guided Disc in valve body provides accurate sealing alignment
 5.Socket weld ends: ASME B 16.11
 Threaded ends: ANSI/ASME B 1.20.1
 Butt-welded ends: ANSI B16.25
 6.Structure feature:
 A threaded and pressure seal bonnet.Y-type .T-type
7.Forged Steel Check Valves conform to MSS-SP-118 and ASME B 16.34.        Each valve is tested in accordance with API 598, and marked per MSS SP 25.
 
8.Main materials: A105, LF2, F5, F22, F304, F316, F347, F321, F51, Monel,  20# Alloy

Y-Pattern check valves are available in three bonnet designs.The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F30L/graphite.Ring joint gaskets 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.
Gate Valve Design Construction and Specifications
Y-Pattern globe and check valves conform to ANSI B16.34.Each is tested according to API598, and markings are 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)
.Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
.Socket weld ends to ASME B16.11
.Screwed Ends(NPT) to ANSI/ASME B1.20.

Inner Packing:
Plastic Packing

Outer Packing:
Veneer case for sea transportation