Guide, nut, and body are made of carbon steel. Body is cadmium plated. Valves made entirely of stainless steel, monel, or other materials can be furnished. Size designation is by code following the basic item number and separated from it by a colon. See Price Sheet for list of sizes.
Flow is toward the female thread.
MGM Excess Check Flow Valves, but have been designed to provide an extra female pipe thread in the inlet end. 141 MGM Excess Flow Check Valves are made entirely of steel and stainless steel. They are machined from solid bar steel and have one weld in the body. Valve stem, valve head, spring, and cotter pin are made of stainless steel. Guide, nut and body are made of carbon steel.