H76X/H76H/H76W disc check valve for clean lines and industrial, environmental protection, water treatment, high-rise buildings to the drain line to prevent reverse flow of the medium used. The check valve using clip-on, two semi-circular disc, and with spring force a reset, the sealing surface for the body surfacing wear-resistant materials or rubber lining. 
Stainless steel disc check valve parameters 
For media 
Water, steam, oil, water, acid and alkali 
Temperature 
Rubber sealing surface (X) -20 ℃ ~ 120 ℃ 
Alloy sealing surface (H) main steel -29 ℃ ~ 425 ℃ 
Stainless steel body for acid medium -29 ℃ ~ 200 ℃ 
Features stainless steel disc check valve 
Name 
Material 
Body 
Cast iron, cast steel, stainless steel, chrome-nickel, molybdenum and titanium steel 
Valve plate 
Cast iron, cast steel, stainless steel, chrome-nickel, molybdenum and titanium steel 
Stem 
Carbon steel, 2Cr13, stainless steel, chrome-nickel, molybdenum and titanium steel 
Seal 
Rubber, stainless steel, alloy steel 
Spring 
60Si2Mn, 3Cr13 ,17-7PH, INCONEL