Product Name: Wafer Insert Lug Dual Plate Swing Check Valve (H76) Model NO.: H76 DDCV Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: ANSI, API, DIN, BS, GB etc Flow Direction: Unidirection Sealing Form: Bellows Globe Valve Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Pressure: Ordinary Pressure Structure: Swing Connection Form: Lug / Wafer Material: CS, Ss, Alloy Steel, Brass etc Certificate: ISO, Ce Manufacture Process: Casting / Forge Trademark: KARFAR Transport Package: Bubble Plastic Paper + Plywood Case Specification: DN40 ~ DN1000 Origin: China Product Description DDCV Spring Loaded Wafer Dual Disc Swing Check ValveThe Karfar model H76 is mainly composed of body, disc, stem and spring. It is popularly used in water pipeline system of chemical industry,pharmaceuticals and foodstuff industry, city contruction etc.Feature:Δ Short Length; Small profile; Light weightΔ Short stroke length; Rapid closing; Eliminate water pressure and slammingΔ Straight flow path makes very little friction; Quick action and good sealingΔ Simple installation; Horizongtal and Vertical installation.Standards Compliance: ASME B16.34, API 594, API6DConstruction: Spring LoadedFace to Face Dimension: API 594, API6DInspect & Test: API 598/6DSize Range: 2" to 42"N. BPressure Ratings: ANSI150, 300, 600, 900 & 1500Medium applicableWater, Air, Natural gas, Coal gas, Steam etc.Main materialCarbon steel, Stainless steel, Chrominum molybdemum steel, Brass etcTemperature applicable10ºC - 135ºCNominal Pressure150LB ~ 900LBNominal Diameter1-1/2" ~ 42"Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirementsFace to Face LengthAPI594, API 6D, BS5155, ISO5752, DIN3352 and other standards conforming to the requirements