Metal Goods Manufacturing, Inc.

United States

MGM Series 166 Excess Flow Check Valves are designed for use where flanged connections are required. They are made completely of carbon steel andor stainless steel not castings, for added durability.No. 166 MGM Excess Flow Check Valves are single flanged, wafer style valves designed to fit inside Schedule 80 pipe. The valve flange will fit inside the bolt pattern of 150# or 300# flanges. Standard gaskets should be used on both sides of the valve.No. 166 MGM Excess Flow Check Valves can be mounted in any orientation with negligible effect on flow rate. Each valve will have the proper flow direction indicated by an arrow stenciled on the flange. As with all MGM excess flow check valves, the series 166 is equipped with an orifice in the check mechanism to allow for pressure equalization and will reopen automatically after repairs are made.

MGM Series 218 Back Pressure Check Valves are designed to allow flow in one direction only. They are made completely of carbon and stainless steel and are machined from bar stock, not castings, for added durability. The metal to metal seating allows slight leakage in the closed position.No. 218 MGM Back Pressure Check Valves are designed for installation in lines that flow into pressure tanks. They should be used in inflowing lines when outward flow is never required.No. 218 MGM Back Pressure Check Valves can be mounted in any position. Each valve will have the proper flow direction indicated by an arrow stenciled in the body.As with all MGM Back Pressure Check Valves, do not reduce outlet pipe size. Back Pressure Check Valves should be installed as close as possible to the container, with the stem pointed inwardly toward the container.

MGM Series 40 Excess Flow Check Valves is designed for use where threaded connections are required. They are made completely of carbon and stainless steel. Bodies are machined from bar stock, not combined in sections, for added durability.No. 40 MGM Excess Flow Check Valve has male pipe thread on top (inlet) and bottom ends and female pipe thread in lower end.Model 40 can be mounted in any orientation with negligible effect on flow rate. As with all MGM excess flow check valves, this model is equipped with an orifice in the check mechanism to allow for pressure equalization and will reopen automatically after repairs are made.FeaturesDesigned with male and female NPT threaded connection.Available in 12" to 3" NPT threads.Stainless steel spring provides consistent closing flow.Generous flow channels provide low pressure drops.Heavy duty all steel will withstand extremely tough conditions.Complete 304 or 316 stainless steel construction available for use in corrosive or extreme environments.UNDERWRITERS LABORATORIES INC. listed for propane, butane, and anhydrous ammonia.CRN # OC13500.5COther valve sizes may be available. Contact MGM for alternate sizes.