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Marshall Excelsior MEGR-164 Series Commercial Regulators


**To maximize the lifespan of the regulator, it must be installed above the liquid level of propane: directly connect to service valve, or wall mount above the propane cylinder(s).


  • Type: Adjustable/PSI
  • Max. Inlet Pressure: 250 PSI
  • Inlet Connection: 1/2” FNPT or 3/4” FNPT
  • Outlet Connection: 1/2” FNPT or 3/4” FNPT
  • Exterior Finish:Gray Urethane
  • Regulator Spring: Steel
  • Stem Guide/Disk Holder: Stainless Steel
  • Diaphragm: Fabric Rienforced Nitrile (NBR)
  • Bonnet / Body Material: Cast Aluminum
  • Vent: Non-Relieving

The MEGR-164 Series adjustable high-pressure regulators offer a wide selection of available pressure ranges. High pressure regulators are typically used to reduce tank pressure to an intermediate pressure for use by another regulator. They may be used as high pressure regulators on distribution systems when used in conjunction with first-stage down stream regulators. When equipped with an integral relief valve (MEGR-164SR
Series), the regulator may be used as a final-stage regulator on high pressure systems. It may also be used as a first-stage regulator when set at 10 PSIG (0,69 bar) or less. The 1/4”-inch FNPT tapped side outlet can be used to install a pressure gauge or a hydrostatic relief valve. This series contains brass materials that are not compaƟ ble with anhydrous ammonia service.