Nominal Diameter DN (mm)  50~2000  50~500
 Nominal Pressure PN (MPa)  0.6  1.0  1.6  2.5  4.0
Test Pressure  Strength Test 0.9  1.5  2.4  3.75  6.0
 Seal Test 0.66  1.1  1.76  2.75  4.4
 Gas Seal Test 0.6  0.6  0.6  0.6  0.6
Body Material WCB CF8 Cr-Mo steel, Low temperature steel, nickel alloy steel, Monel Duplex Steel
 Plate Material WCB CF8 Cr-Mo steel, Low temperature steel, nickel alloy steel, Monel Duplex Steel
Stem Material  2Cr13 F304 F316 Cr-Mo steel, Low temperature steel, nickel alloy steel, Monel
Sealing Face Material  SS + flexible graphite, stainless steel, stellite alloy, tungsten. nickel alloy
Temperature  Carbon steel: -29℃~425℃;  stainless steel：-40℃~600℃
Medium Air, water, steam, gas, oil and acid, alkali salt and other corrosive media with weak
Drive  Worm, gear, pneumatic, electric, hydraulic