The bar and flange are joined together with heliacrc welding

which keeps the motor free of dampness and airborne particles to avoid contamination

Speakman 10-0268 SR-14XX ROYAL VALVES COVER PLATE

StandardNos

Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 523JHBKMAA0450 Capacity-57 oz The bar and flange arePOP Safety Relief Valve; Body Material: Bronze; Inlet Type: MNPT; Outlet Type: FNPT; Inlet Size: 2 in; Outlet Size: 3 in; Factory Set Pressure: 450 psi; Pressure Range: 5 to 500 psi; Disc Material: 316 Stainless Steel; Overall Height: 17 in; Application: Air and Gas Compressors and Dryers, Pressure Vessels and Pressure Piping System etc; Seat Material: Metal; Spring Material: Stainless Steel; Temp. Range: 320 Degrees to 422 Degrees F; Test Lever: Yes;