Zhejiang Guanlong Machinery Valve Co., Ltd.  

Product Name: Carbon Steel Non Slam Slow Shut Non Return Check Valve (GL300X) Model NO.: GL300X Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: ANSI, API, DIN, BS, GB etc Flow Direction: Unidirection Sealing Form: Soft Sealing/ Hard Sealing Function: Nrvr Silence, Nrvz Silence, Nrvg Silence Pressure: Ordinary Pressure Structure: Diaphragm/ Piston Connection Form: Flange Material: Ci, Di, CS, Ss etc Temperature: Ordinary Temperature Media: Water, Oil, etc Certificate: ISO, Ce Pressure Rating: Pn10, Pn16, Pn25, Pn40 (Cl150, Cl300) Trademark: KARFAR Transport Package: Bubble Plastic Paper + Plywood Case Specification: DN50 ~ DN1200 Origin: China HS Code: 84813000 Product Description Slow Shut Check ValveMODEL NO.: GL300XCheck valves is also called one way valve. It allows medium flow in one direction and automatically prevent flow in the opposite direction.ΔThis non-return valve can control opening and closing speed. When pump starts or stops working, the optimal action speed of the valve disc can be obtained according to the specific condition at site.ΔApplicable for high-rise building. It functions to elimiate water hammer and slamming, thus to achieve aquiet shut.Body &BonnetCast iron, Ductile iron, Cast steel, Stainless steel etcStemStainless steelDiscBrass, Carbon steel, Ductile iron etcSeatBrass, Stainless steel, Carbon steel etcSealingNBR etcDiaphragmNBRPistonBrass, Carbon steel, Ductile iron etcFlange DimensionASME B16.42, BS4504, ISO2531, ISO7005 etc.Face to Face LengthAPI594,BS5155, ISO5752, DIN3352 etc.