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M400

Stainless Steel Reduced Pressure Zone Assemblies

Series M400, M400N, M400Z Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of stainless steel body, sleeve and torsion spring check valves. Series M400, M400N, M400Z features the certified lowest pressure loss, a compact design that is 70% lighter than traditional designs and is ideal for health hazard piping applications for protection against backsiphonage or backpressure. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).

Features

  • Protects against backsiphonage, backpressure, and the fouling of either check valve
  • Entire valve body and closure sleeve manufactured from 304 stainless steel
  • Patented link check provides low pressure loss
  • Extremely compact design is significantly lighter than traditional designs

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific M400

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: