Pressure Valve Basic information:

Standard or Nonstandard: Standard

Structure: globe

Pressure: CL2500,CL4500

Power: hydraulic,pneumatic,manual,electrical

Material: forged,alloy,stainless steel,casting

Media: water,oil,gas,acid,steam

Port Size: 3/8''-2''

Place of Origin:JiangSu China (Mainland)

Brand Name: DTV

Port: Ningbo or shanghai

Payment Terms: L/C,T/T

Certificate: ISO, API, CE, AZ

Standard: API, ANSI, BS, JIS, DIN, GB

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 B1.20.1

 

Y-Pattern 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.