Shanghai AFS Safety Valve A28X-50T Spring Full Lift Brass Safety Valve, Screw Air Compressor Air Receiver Relief Valve

Shanghai AFS spring safety valve A28X-50T is spring full-lift external thread brass safety valve. A28X-50T body Hpb59-1 brass, X rubber soft seal, pull ring on top for manual on-site test, high lift and large discharge capacity. A28X-50T PN50 for high pressure screw air compressor; A28X-16T/25T/40T are low & medium pressure models of same series with brass body. **A28X-50T suitable for compressed air, max working temperature ≤120℃**. When pressure inside screw compressor, air receiver or oil-gas separator exceeds set pressure, A28X-50T fully opens rapidly for pressure relief and automatically reseats when pressure drops to safe level to protect compressor system. **Shanghai AFS A28X-50T safety valve with TS special equipment manufacturing license, certificate available and third-party inspection support**. Widely used for screw air compressor, air receiver, oil-gas tank and compressed air pipeline. Complies with GB/T12243, GB, JIS, ASME selection available, custom set pressure.