Specification Brand : FANOVO BulletPoint : Overall this item is in very good condition with minimal signs of use. All parts are included and the valve is fully functional. BulletPoint1 : How to Install : The 1/2 inch union check valve must be installed for ''Vertical Direction'', and must be installed correctly following with clear union check valve's main body arrow mark direction, Otherwise the clear union check valve will not work well. BulletPoint2 : True Union Check Valve : FANOVO double union check valve is designed with true union, which make the union check valve taken apart easily for cleaning or replacement. Union check valve is disigned with a ''Ball'' inside which is used for preventing backflow (only allow flow for one direction). BulletPoint3 : Full Flow Union Check Valve : The full port path design make the water no resistance to pass the union check valve, offering little or no resistance. The washer and O-ring provide excellent sealing, Leak-Free Seal. BulletPoint4 : Premium Material : FANOVO union check valve is made of SCH80 clear blue high quality upvc material. Premium material make the pvc union check valve durable and strong for long-term use. Better Rust and Corrosion Resistance when Compared with Steel Piping Systems. BulletPoint5 : Wide Application : FANOVO pvc union check valve suitable for sump pump system, irrigation system, pool, sprinkler system for preventing backflow and ensuring the proper operation of the system. Color : Yellow ConnectorType : Slip CustomerPackageType : Standard Packaging ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 5695090758600 ExternallyAssignedProductIdentifier1 : 719233152782 ExternallyAssignedProductIdentifier2 : 0719233152782 IncludedComponents : 5 x Check Valve Duckbill ItemName : PVC Union Check Valve, 1/2 inch True Union Check Valve, Transparent Blue UPVC Check Valve (Heavy Duty) with Slip X Slip Full Port, Prevent Backflow, Suitable for Sump Pump, Irrigation, Pool ItemPackageDimensions_Height : 9.906 centimeters ItemPackageDimensions_Length : 5.588 centimeters ItemPackageDimensions_Width : 5.8928 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : FANOVO Material : Pvc MaximumOperatingPressure : 3000000 pascal ModelName : Check Valve Duckbill ModelNumber : AMZ21 NumberOfItems : 1 NumberOfPorts : 1 PartNumber : AMZ21 PowerSourceType : No ProductDescription : Union Check Valve ProductSiteLaunchDate : 2023-02-01T09:28:32.318Z Size : 1/2 inch SpecificationMet : CSA Style : Above Ground SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 40141600 ValveType : pcp