Product Name: High Quality Plastic Check Valve UPVC Double True Union Check Valve UPVC Single Union Check Valve UPVC Swing Check Valve DIN ASTM JIS Standard Model NO.: DN15 - DN100, 1/2 inch - 4 inch, 16A - 100A Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: DIN Flow Direction: Reversing Sealing Form: PVC True Union Check Valve Function: Ddcv Double Lobe, Nrvr Silence Pressure: Ordinary Pressure Structure: PVC Double Union Check Valve Connection Form: PVC Single Union Check Valve Material: Union Check Valve Temperature: Ordinary Temperature Media: Water PVC Check Valve: DIN ASTM JIS Standard PVC True Union Check Valve: 1/2 Inch - 4 Inch Sch80 PVC Single Union Check Valve: Dn15 - Dn100 Pn10 PVC Double Union Check Valve: Dn15 - Dn100 UPVC Swing Check Valve: DIN Standard Dn65 - Dn150 Trademark: Logo Transport Package: Carton Specification: DN15 - DN100, 1/2 inch - 4 inch, 16A - 100A Origin: China HS Code: 8481804090 Product Description High Quality PVC True Union Check Valve Female x FemaleHigh Quality PVC DoubleUnion Check Valve Female x FemaleDIN ASTM JIS StandardDN15 - DN100 DIN Standard1/2 inch - 4 inch SCH8016A - 100A JIS Standard