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Picture of Model 360
Picture of Model 360

Model 360 Excess Flow Check Valves


  • Constructed to endure extreme corrosive environments
  • Built for service up to 1500 psig and 350° F
  • Seat can be replaced in field with Allen wrench
  • AAR Approval Number: E162107
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Body 316 Stainless Steel
Plug 316 Stainless Steel
Seat 316 Stainless Steel

MGM model 360 Excess Flow Check Valve (1 ¼”) is AAR approved for use on railroad tank cars. The primary use is on a pressurized tank car coverplate assembly to close and prevent the loss of product should a valve above the flange fitting (e.g. sample line needle valve) be sheared off during a rollover or other accident.

MGM model 360 Excess Flow Check Valves are floating ball style with a removable seat.

Model 360 is machined from 316 stainless solid bar stock. Alternative materials available upon request.