Flange connecting end¡êoasme b16.5/asme b16.47
Butt welding connecting end¡êoasme b16.25/ asme b31.8
Wall thickness¡êoasme b16.34
Fireproof test¡êoapi 607/api 6fa
Inspection and test¡êoapi 6d
Pressure and temperature rating¡êoasme b16.34
Product scope¡êonps 4171;nps 60, cl150171;cl1500
Main body material: a105, lf2, f304, f316, f304l, f316l, f51 etc.
Valve seat material: ptfe, rptfe, nylon, devlon, derlin, peek, ppl, hnbr, fkm or metal hard seal etc.
Drive device: handle, worm wheel, electric, pneumatic, pneumatic-hydraulic, electro-hydraulic, etc.