Pressure Regulator Series IR6001 Body Material Stainless Steel Inlet Size 1/4 in Outlet Size 1/4 in Length 2 in Height 7 1/4 in Application Gas Connection Type NPT Pressure Adjustment Range 1 to 30 psi Gauge Port Size 1/4 in Seal Material PCTFE Max Temp 150 Degrees F Max Pressure 3 500 psi Standards CRN Compliance ISO 9001