Pressure/Vacuum Relief Valve
This is pressure / vacuum relief valve. It shall be suitable to pass the venting requirements for any reasonable and probable combination of contingencies. It is used in overpressure and vacuum working conditions of tanks or exhaust ports. It can protect the equipment from overpressure and negative pressure. It usually uses soft seal in order to satisfythe leakage requirement in API 2000.
Design Standard
API 2000
SY/T 0511.1
Product Range
Caliber range：US series:3/4"~14" GB series:DN20~DN350
Setting Pressure：0.2~103.4(KPa)
Set Vacuum：-0.2~-82(Kpa)
Body Material：Carbon steel, Stainless steel, Carbon steel+PTFE
End Connection：Flange
Applicable Temperature：-46~200°C
