Body/Bonnet - Forged of high strength A105N carbon steel as a standard material. A350-LF2,
A182-F11, F5, F22 and F316 are also available upon request. The body and bonnet interior
Surfaces are machined, resulting in low resistance. Full and reduced ports are both supplied.
Threaded, socket-weld, and flanged ends are offered. Male to female bonnet joint of bolted
Bonnet valves assures alignment and correct gasket compression, as well as ease of in-line
Maintenance. Welded bonnet valves provide an extra measure of protection to further guard
Against leakage when it may be a hazard. The bonnet is threaded in to the body and then seal
Welded. Heat numbers are permanently die stamped on body and bonnet for complete traceability.
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.
