Specification Brand : Sellerocity BulletPoint1 : American made valve BulletPoint2 : Brass body. 302 stainless steel spring. 15% glass-filled teflon poppet. BulletPoint3 : 1 PSI cracking pressure, maximum pressure: 500 PSI, maximum temperature: 450°F BulletPoint4 : Thread seal applied or supplied for valves with NPT threads. BulletPoint5 : Please note: NPT sized valve threads will not correspond to standard sizes. Please see our attached charts or message us with questions. BulletPoint6 : 1/2" NPT size (lower threads) measures almost 7/8" BulletPoint7 : The "compression" or "tube" size is easy to determine by measuring the tube or line that connects to the top of the check valve. The outside diameter of the tube or line IS the "compression" or "tube" size. Compression / tube size thread diameters will not correlate to standard measurement. BulletPoint8 : 6 month no hassle warranty Color : Brass Department : Unisex Adult ExteriorFinish : Brass ExteriorFinish1 : Nickel ExteriorFinish2 : Brass ExternallyAssignedProductIdentifier : 7596317703152 IncludedComponents : valve and ferrule ItemDisplayDimensions_Length : 1 inches ItemDisplayWeight : 1 pounds ItemName : Sellerocity American Made Brass Air Compressor Check Valve 1/2 NPT Size X 5/8 Inch Compression Tube Size with 1/8 NPT-F Unloader Port ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : Sellerocity Material : Brass Material1 : Copper Material2 : Brass MaximumOperatingPressure : 500 pounds_per_square_inch ModelName : 00CTD581200 ModelNumber : 00CTD581200 NumberOfItems : 1 NumberOfPorts : 10 PartNumber : XKLDSFB ProductDescription : Sellerocity American Made Brass Check Valve 1/2 NPT Size X 5/8 Inch Compression Tube Size with 1/8 NPT-F Unloader Port ProductSiteLaunchDate : 2024-08-06T02:39:51.245Z Size : One Size SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 40141600 ValveType : Diaphragm Valve