Thermal Relief Valve（GB series）
A safety relief valves in accordance with GB standards are suitable used in the same applications as US standard series. Compared with the US series, it has a smaller structure and usually adopts a bonnet-less construction. Therefore, it can be used in more narrow working conditions.
Design Standard
GB/T 12241、GB/T12243、GB/T 29026
ISO 4126-1
Product Range
Caliber range：
DN15~DN40
Nominal pressure range：
PN10~PN420
Body Material：
Carbon Steel, Alloy Steel, Stainless Steel, Duplex-SS, Ni-Alloys, Others upon request.
End Connection：
Threaded
Applicable Temperature：
-196~427°C
