Product Name: High Quality DIN ANSI JIS Standard 3/4" - 12" Plastic Check Valve UPVC Swing Check Valve UPVC Wafer Check Valve for Water Model NO.: DIN ANSI JIS Standard 3/4" - 12" Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: DIN ANSI JIS Standard Flow Direction: Reversing Sealing Form: Rubber Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence, PVC Swing Check Valve Pressure: Low Pressure Structure: Swing Check Valve Connection Form: Flange Material: PVC Check Valve Temperature: Ordinary Temperature Media: Water Check Valve: Dual-Use in Vertical / Horizontal PVC Check Valve: DIN ANSI JIS Bsstandard Swing Check Valve.: Vertical / Horizontal Usage PVC Swing Check Valve: DN20-DN150 Wafer Check Valve: 3"- 12" PVC Wafer Check Valve: DN80-DN300 Check Valve PVC Swing: 3/4"- 6" Trademark: PVC Swing Check Valve Transport Package: Carton Packing Specification: DN20 - DN300 ( 3/4"- 12" ) Origin: China HS Code: 84818010 Product Description PVC Swing Check Valve ( in Vertical or in Horizontal )DIN, ANSI, JIS StandardDN20-DN150 ( 3/4"- 6" ).Working Pressure PN10Feature:1. Inclined Seal Plane Structure, Extra Weight in Flap, Can be Dual-Use in Vertical / Horizontal2. Full-Flow, Low Resistance. Small Opening Pressure Shift3. No Internal Exposed metal Parts, No Springs, Not Easy to Be Blocked, Complete4. Anti-Corrosion5. Low Open Pressure (<0.01kg/cm2).6. Increased Wall Thickness, and Are Support to 1.5 Times the Back-Pressure PN7. Connection with Stainless Steel Bolts, Easy Clean-Up of Internal OpeningCAUTION:Arrow Mark Indicates the Flow of FluidWhen in Horizontal Install, Make Sure the Arrow Mark on the Top Side