Sampling Valve NPT,BSPT,BSP Sanitary sampling Valve OiL sampling valve Stainless steel sampling valves Safety valve (relief valve)Pressure safety relief valvesHydraulic relief valveOil safety valves 1.Design by API Spec.6D2.Face to Face by ANSI B 16.103.Test&Inspect by API 5984.Connection dim by ANSI Spec*1/4"-3/8"-1/2"Stand*NPT,BSPT,BSPMateril*SUS304,SUS316L