A safety valve is a valve that acts as a fail-safe. An example of safety valve is a pressure relief valve, which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds preset limits.
Crosby,Spirax sarco, yoshitake, 317 dll
All size inch
Cast Iron, Cast Steel / WCB / A216, Forged Steel / A105, Stainless Steel / SS304 / 316 / CF8 / CF8M, Bronze / Brass, PVC / U-PVC.
ANSI 150 / 300 / 600 / 900
PN 10 / 16 / 40 / 63
JIS 10K / 16K / 20K
flange-end, screw