QILONG forged steel check valve are manufactured in accordance with API602,ISO15761 and ASME B16.34 and tested to API598.And forged steel check valve are available in three bonnet designs:bolted bonnet,welded bonnet and pressure seal bonnet.
Size:3/8″~2-1/2″
Rating: 150LB~2500LB
BodyMaterials: Cast Steel, Stainless Steel, Alloy Steel, etc.
End Connection: RF, RTJ, NPT, SW
