Forged Steel Check Valve
Structure: Full port or conventional port;
Lift type check valves;
Ball type check valves;
Swing type check valves;
Acceding to requirement equip inside spring;
Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet;
Design & Manufacture Std: API 602, BS5352
Face to Face: ASME B 16.10
Flange End: ASME B 16.5
Socket weld end: ASME B16.11;
Screwed end(NPT): ASME B1.20.1.
Testing & inspection: API 598
Size: 3/8"-2"
Pressure: CL150-CL2500
Material: A105, F304, F316, F304L, F316L, F11, F22
Operation: Manual
YOY Valve Group Co., Ltd.
We professionaly manufacture and supply Safety Relief Valves.
General specification:
Manufacture standard accord to ASME SEC VIII API std 526 API RP 520;Flange standard accord to ANSI B16.5.
YOY Model Type:YFA41C, A42C, A44C, A47C, A48C
Open /Closed bonnet, non-lever, lifting lever, full bore/low lift
Conventional, Spring loaded;
Bellows Balance Safety valve type:WA42C,
Pilot-operated pressure relief valve:Type A46C
High temperature with high pressure
Safety Valve with Jacket
Changeover Switch device for Safety Valve
Main Material:WCB, LCB, WC6, C5, CF8, CF8M, CF3, CF3M etc.
Nominal Working Pressure:PN1.6~42.0Mpa
ANSI Class:150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb.
Normal diameter from DN20 to 600;Size:1/2"~24"
Connection:Flanged, NPT threaded, butt welded
The work temperature is from -196C-550C
Fluid media:Oil, Air & other gas, steam, water and other Liquid.
For safety valve inquiry, pls provide much inspicifications or data sheet as u can.
Such as:Fluid, temperature, set pressure, inlet/outlet sizes, capacity, material, quantity etc.
For any further information, pls visit our website.
