H21H外螺纹止回阀(male thread check  valve）

入口（Inlet)：Ф12 mm—Ф38 mm活接式对焊( weld nipple )

出口(Outlet)：Ф12 mm—Ф38 mm活接式对焊( weld nipple )

通径(Orifice):DN6 —DN32

  打开压力(opening  pressure):1/3 PSi(0.002 MPa) —25 PSi(0.17 MPa)

  压力等级(Working Pressure):6.4MPa—41MPa,1000PSi—6000PSi

适用温度(Suitable temperature):-10°F(-23℃)—400°F(204℃)

材质(Materials): 316L.316SS.316H.304SS.321SS.1Cr18Ni9Ti.20#.A105.

.Duplex2205.Duper duplex2507.Monel.inconel.hastelloyc