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  • OEM Supply Dual Wafer Check Valve - Flanged Silent Check Valve – Dongsheng

    OEM Supply Dual Wafer Check Valve - Flanged Silent Check Valve – Dongsheng

    Product Video Product Description Cast Iron Flanged Silent Check Valve provides great sealing capacities for high and low pressure. In particular, industrial and HVAC applications, water, heating, air conditioning and compressed air devices are included. This cast iron flanged silent check valve comes in a body of Cast Iron, epoxy-coated, EPDM seat and Stainless Steel spring. These components make it an economical, secure Standard or Foot Check valve. The valve becomes a fully operational Foo...
  • 2021 High quality Manual Ball Valve - 1pc Threaded Ball Valve – Dongsheng

    2021 High quality Manual Ball Valve - 1pc Threaded Ball Valve – Dongsheng

    Product Video Product Description Stainless Steel Ball Valve is a non-maintainable one piece, reduced bore ball valve; providing reliable functioning for both general and industrial chemical applications. An economical, compact and reliable, female/female ball valve with CF8/CF8M Stainless Steel valve body and PTFE seat. Used to ‘shut-off’ medium flows on a wide range of liquid and gaseous duties including drain and blow down, gauge isolation and test points. Features a blow-out p...
  • Excellent quality Double Door Check Valve - BS5153 Swing Check Valve – Dongsheng

    Excellent quality Double Door Check Valve - BS5153 Swing Check Valve – Dongsheng

    Product Video Product parameter NO. Part Material 1 Body GG20/GG25/GGG40/GGG50 2 Bonnet GG20/GG25/GGG40/GGG50 3 Disc GG20/GG25/GGG40/GGG50 with Brass/Bronze/Stainless steel 4 Seat Brass/Bronze/Stainless steel 5 Pin 2CR13  SS304 DN 50 65 80 100 125 150 200 250 300 L 203 216 241 292 330 356 495 622 698 D PN10 165 185 200 220 250 285 340 395 445 PN16 405 460 D1 PN10 125 145 160 180 210 240 295 350 400 PN16 355 410 D2 PN10 102 122 138 158 188 212 268 320 370 PN1...
  • OEM/ODM China Threaded Ball Valve – 2pcs Flanged Ball Valve – Dongsheng

    OEM/ODM China Threaded Ball Valve – 2pcs Flanged Ball Valve – Dongsheng

    Product Video Product Description Application: As their simple design and reliable function, the ball valves can be used in food, chemical, petrochemical and pharmaceutical industries, in sewage and water treatment plants, etc. Medium can flow in both directions through the ball valves. Technical description: made of stainless steel 1-pc, 2-pc or 3-pc design investment castings full bore – to minimize pressure losses soft-sealing seats floating ball T max = 200 C PN: 16,40, 63 That has a so...
  • OEM/ODM China Check Valve Manufacturer - Stainless Steel Double Disc Swing Check Valve – Dongsheng

    OEM/ODM China Check Valve Manufacturer - Stainless Steel Double Disc Swing Check Valve – Dongsheng

    Product Video Product Description Our Wafer stainless steel dual plate check valve is disc-shaped and rotates around the shaft of the valve seat passage. Because the inner passage of the valve is streamlined, the flow resistance is small, and it is suitable for large-diameter occasions with low flow velocity and infrequent flow changes. An economical, space-saving dual plate check valve with a spring and with Stainless Steel body, and Viton seal. Either vertically (only upwards) or horizontal...
  • Factory making 2pc Ball Valve - 3pcs Thread Ball Valve – Dongsheng

    Factory making 2pc Ball Valve - 3pcs Thread Ball Valve – Dongsheng

    Product Video Product Description Application: As their simple design and reliable function, the ball valves can be used in food, chemical, petrochemical and pharmaceutical industries, in sewage and water treatment plants, etc. Medium can flow in both directions through the ball valves. Technical description: T max = 200 C PN:  63 made of stainless steel 3-pc design investment castings full bore – to minimize pressure losses soft-sealing seats floating ball Our primary objective is always t...
  • PriceList for C515 Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    PriceList for C515 Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Product Video Product Description The soft-seal gate valve is divided into two types: rising stem soft-seal gate valve and non-rising stem soft seal gate valve. Usually there is a trapezoidal thread on the lifting rod, through the nut in the middle of the gate and the guide groove on the valve body, the rotary motion is changed into linear motion, that is, the operating torque is turned into operating thrust. When the valve is opened, when the lift height of the gate is equal to 1:1 times the...
  • Factory Free sample Silent Check Valve - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Factory Free sample Silent Check Valve - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Check Valves are automatic shut-off valves that are commonly used for preventing back flow or drainage in a piping system. Often applied on the discharge side of pumps, check valves prevent the system from draining if the pump stops and protect against back flow, which could harm the pump or other equipment. Wafer Type Single Disc Swing Check Valves are designed for installation in flanged piping systems, between two flanges. Valves may be installed in vertic...
  • Special Price for Wafer Disc Check Valve - DIN3202-F6 Swing Check Valve – Dongsheng

    Special Price for Wafer Disc Check Valve - DIN3202-F6 Swing Check Valve – Dongsheng

    Product Video Product Description Our Ductile Iron Swing Check Valve Flanged PN16 provides great sealing capacities for low pressure; uses of this check valve include water, heating, air conditioning and compressed air devices. Ductile Iron body and metal cover, both covered with epoxy, having a brass seat. Either vertically (only upwards) or horizontally installed Key features: Available sizes: 2″ up to 12″. Temperature range: -10°C to 120°C. Pressure rating: PN16 rated Low crac...
  • Manufacturer for Butterfly Type Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Manufacturer for Butterfly Type Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Product Video Product Description Disco or lift check valves, the main advantage is that it mainly eliminates the impact of gravity on the feature of the check valve. Lift check valves for a broad range of mediums, pressures and equipment. The metal springs for the check valves are produced of stainless steel or some other extremely corrosion resistant steel material. Lift check valve’s advantages are quick stream disruption. They provide not only beneficial sealing at low temperatures but al...
  • Factory Promotional 3 Piece Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    Factory Promotional 3 Piece Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    Product Video Product Description Application: As their simple design and reliable function, the ball valves can be used in food, chemical, petrochemical and pharmaceutical industries, in sewage and water treatment plants, etc. Medium can flow in both directions through the ball valves. Technical description: made of stainless steel 1-pc, 2-pc or 3-pc design investment castings full bore – to minimize pressure losses soft-sealing seats floating ball T max = 200 C PN: 16,40, 63 That has a so...
  • Best quality 2.5 Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Best quality 2.5 Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Product Video Product Description The soft-seal gate valve is divided into two types: rising stem soft-seal gate valve and non-rising stem soft seal gate valve. Usually there is a trapezoidal thread on the lifting rod, through the nut in the middle of the gate and the guide groove on the valve body, the rotary motion is changed into linear motion, that is, the operating torque is turned into operating thrust. When the valve is opened, when the lift height of the gate is equal to 1:1 times the...