Fabrications: Type 304 (18-8) Stainless Steel per ASTM A240.
Branch Gasket: Hydro TwinSeal® dual o-ring design incorporating both hydrostatic and mechanical forces to affect a dynamic seal.
Shell Gasket: 1/4″ thick Nitrile (Buna-N, NBR) Chek-O-Seal with multi o-ring sealing ribs from 100% new rubber to ensure performance under varying pressures with superior storage characteristics. Suitable for oils, acids, alkalies, most Hydrocarbon Fluids (aliphatic), potable water and many chemicals within a temperature range of -40′ F to +212′ F. SBR may be substituted.
Bolts & Nuts: Type 304 (18-8) Stainless Steel per ASTM A193 and A194 for sleeves with Stainless Steel Flange and Low Alloy Steel Bolts and Nuts per ASTM A325 and ASTM A563 for sleeves with Carbon Steel Flange. NOTE: Stainless Steel hex nuts are furnished with fusion bonded coating to prevent seizing and galling.
Flange: Type 304 (18-8) Stainless Steel or A36 Carbon Steel per AWWA C115.