Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 523GFBKMAA0400 Spout Length-2.5" Smooth design fit 6" NPT

Smooth design fit 6" NPT pipe

and the design includes a drying rod along its bottom

Overall Depth: 2 5/8 in Extended

Seal Material - Check Valves: NBR

Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 523GFBKMAA0400 Spout Length-2.5" Smooth design fit 6" NPTPOP Safety Relief Valve; Body Material: Bronze; Inlet Type: MNPT; Outlet Type: FNPT; Inlet Size: 1 1 4 in; Outlet Size: 2 in; Factory Set Pressure: 400 psi; Pressure Range: 5 to 600 psi; Disc Material: 316 Stainless Steel; Overall Height: 13 1 4 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