Specification Brand : PRO-EDGE INDUSTRIAL PNEUMATICS AND CONTROLS BulletPoint : 3/4" BSP male Thread 143 PSI Brass Air Compressor Safety Relief valve Pressure switch Pop-off valve BulletPoint1 : This Brass Safety Valve Is Preset At 175 PSI And Has a Flow Rate (SCFM) Of 670 BulletPoint2 : This Safety Valve Is Made In The USA BulletPoint3 : This Safety Valve Has An Operating Temperature Range of -65 Degrees Fahrenheit To 400 Degrees Fahrenheit BulletPoint4 : Please Note 1" NPT Measures 1.315" Outside thread diameter in inches. See attached NPT Thread chart. BulletPoint5 : Other Thread Sizes And PSI Options Are Available. Please Reach Out With Questions. Color : Valve with Gauge Department : Unisex Adult ExteriorFinish : Metal ExternallyAssignedProductIdentifier : 9475421957379 ItemName : Brass, 1" NPT Industrial Hard Seat Safety Pressure Relief Valve, Made In The USA (175 PSI / 670 SCFM) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-relief-valves Manufacturer : Conrader Material : Brass MaximumOperatingPressure : 175 pounds_per_square_inch ModelName : COKYIS ModelNumber : SRH580-1 NumberOfItems : 1 PartNumber : SRH580-1 ProductDescription : A hard seat safety relief valve is a metal-to-metal seated valve, which usually uses a metal disc or ball as the internal sealing surface against the orifice or internal passageway in a safety relief valve. Hard seat safety relief valves are excellent in corrosive or extremely high temperature applications. This Hard Seat Safety Valve is NOT adjustable. This Safety Valve Is Preset at 175 PSI And Has a Flow Rate (SCFM) Of 670. Conrader safety valves are designed to protect unfired pressure vessels and systems from over pressure in compressed air and gas applications. SRH-series safety valves have a metal-to-metal seal and are designed and certified to ASME Code specifications. Also available with the “CE” mark to meet the requirements of the Pressure Equipment Directive of the European Union. The valves are not deemed "Lead Free". Set Pressure Tolerance: +2 psig up to and including 70 psig, +3% of set pressure greater than 70 psig. Operating Temperature Range: -65 degrees Fahrenheit to 400 degrees Fahrenheit. Materials of Construction: Seat, Cap, Piston: ASTM B16 Brass Spring: 302 Stainless Steel Sealing Ball: 440 Stainless Steel. Certifications: ASME Boiler & Pressure Vessel Code Section VIII Division 1 CSA B51-03 Boiler, Pressure, Vessel, and Pressure Piping Code. Please view product cut sheets and flow chart on the pictures attached to this listing. ProductSiteLaunchDate : 2022-06-03T01:09:02.476Z Size : 1-1/2 inch SpecificationMet : ASME Style : 175 PSI / 670 SCFM UnitCount : 1 UnspscCode : 40141600 ValveType : safety relief valve,valve