Product Name: High Quality Plastic Check Valve UPVC Non Return Check Valve UPVC Wafer Check Valve UPVC Swing Check Valve DIN ANSI JIS Standard Model NO.: DN15 - DN100 DIN ANSI JIS Standard Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: UPVC Non Return Check Valve Flow Direction: Unidirection Sealing Form: Non Return Check Valve Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Pressure: Ordinary Pressure Structure: Butterfly Connection Form: Flange Material: PVC Check Valve Temperature: Ordinary Temperature Media: Water Non Return Check Valve: Dn15-Dn150 DIN Standard PVC Swing Check Valve: in Vertical or in Horizontal Plastic Swing Check Valve: DIN ANSI JIS Standrd UPVC Wafer Check Valve: Dn80-Dn300 Trademark: OEM or Our Logo Transport Package: Carton Specification: DN15 - DN150 DIN Standard Origin: China HS Code: 8481804090 Product Description PVC Check Valve ( in Vertical or in Horizontal )DIN, ANSI, JIS Standard DN20-DN300 ( 3/4"- 12" )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, Complete Anti-Corrosion4. Low Open Pressure (<0.01kg/cm2).5. Increased Wall Thickness, and Are Support to 1.5 Times the Back-Pressure PN6. Connection with Stainless Steel Bolts, Easy Clean-Up of Internal OpeningCAUTION:1. Arrow Mark Indicates the Flow of Fluid2. When in Horizontal Install, Make Sure the Arrow Mark on the Top Side