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Master Valves

Master Valves

These heavy-pressure shut-off valves are designed to be used in heavy-duty applications such as manifold systems, tube trailers, and other piping systems. Our Master Valves are suitable for use with nitrogen, argon, oxygen, acetylene, carbon dioxide, helium, nitrous oxide, hydrogen, and other inert gases.

Key Features of the Master Valves

• Exceptional stem seal even at low gas pressures due to pressure seal design with hand-wheel spring that applies upward force against upper stem

• C64200 aluminum-silicon- bronze not for acetylene

• C36000 free cutting brass for acetylene

• Pressure seal bonnet design assures positive seal

• Protection against environmental contamination because of the O-ring moisture seal on upper stem

• Restricted moisture intrusion due to the presence of brass washer second seal