Specification Brand : NIBCO BulletPoint1 : The NIBCO lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc; The spring return reduces noise for quiet operation BulletPoint2 : Check valves prevent backflow by automatically closing when fluid reverses direction; The check valve is recommended for commercial and industrial water applications BulletPoint3 : Lead Free refers to the wetted surface of pipe; fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended BulletPoint4 : Renewable bronze seat and disc; Spring actuated (1/2 psi cracking pressure); Class 125 wafer end connections BulletPoint5 : The check valve is recommended for commercial and industrial water applications ConnectorType : Wafer ExteriorFinish : Bronze ExternallyAssignedProductIdentifier1 : 039923326959 ExternallyAssignedProductIdentifier2 : 0039923326959 ExternallyAssignedProductIdentifier3 : 00039923326959 IncludedComponents : Bunn 36378.0001 ItemName : NIBCO - NLN10XH W910B-LF/W960B-LF Silent Wafer Check Valve Lead-Free, Class 125, Iron Body, Bronze Seat and Disc, 4" ItemPackageDimensions_Height : 36.195 centimeters ItemPackageDimensions_Length : 18.6944 centimeters ItemPackageDimensions_Width : 23.1902 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : NIBCO INC. Material : Cast Iron MaximumOperatingPressure : 175 pounds_per_square_inch ModelNumber : NLN10XH NationalStockNumber : 4820-01-251-7616 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPorts : 2 PartNumber : NLN10XH ProductSiteLaunchDate : 2014-09-17T08:00:01.000Z Size : 0.25 Inch SpecificationMet1 : Conforms to Mss Sp-125 SpecificationMet2 : FM SpecificationMet3 : Nsf/Ansi 61 and Nsf/Ansi 372 StreetDate : 2017-05-16T00:00:01Z Style : Threaded SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 40141600 ValveType : VALVE