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  • Cheap price Diaphragm Valve - Non-Rising Stem Diaphragm Valve – Dongsheng

    Cheap price Diaphragm Valve - Non-Rising Stem Diaphragm Valve – Dongsheng

    Product Video Product Description Diaphragm Valves have two kinds of types, wire and full flow, which use a ‘pinching’ method to stop the valve flow using a flexible diaphragm.These types of valves are generally not suited for very high-temperature fluids and are mainly used on liquid systems. Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of ...
  • Good Quality 2 Inch Silent Check Valve - BS5153 Swing Check Valve – Dongsheng

    Good Quality 2 Inch Silent 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...
  • Low price for Os&Y Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Low price for Os&Y 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...
  • Top Suppliers Lift Check Valve - Flanged Silent Check Valve – Dongsheng

    Top Suppliers Lift 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...
  • 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...
  • OEM/ODM Manufacturer Dual Plate Wafer Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    OEM/ODM Manufacturer Dual Plate Wafer 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 directly supply 3pc Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Factory directly supply 3pc 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...
  • Lowest Price for Spring Loaded Check Valve - Cast Iron Double Disc Swing Check Valve – Dongsheng

    Lowest Price for Spring Loaded Check Valve - Cast Iron Double Disc Swing Check Valve – Dongsheng

    Product Video Product Description The function of the dual plates check valve is to only allow the medium to flow in one direction and prevent the flow in one direction. Usually this kind of valve works automatically. Under the action of the fluid pressure flowing in one direction, the valve flap opens; when the fluid flows in the opposite direction, the fluid pressure and the self-coincidence of the valve flap act on the valve seat, thereby cutting off the flow. Structural Features of Wafer ...
  • 2021 China New Design Check Valve Double Door - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    2021 China New Design Check Valve Double Door - 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...
  • Super Lowest Price Dual Plate Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Super Lowest Price Dual Plate 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...
  • Cheap PriceList for Dual Plate Check Valves - Wafer Silent Check Valve – Dongsheng

    Cheap PriceList for Dual Plate Check Valves - Wafer Silent Check Valve – Dongsheng

    Product Video Product Description The silent check valves with a cast iron body, use a fully automatic spring assisted discs to eliminate water hammer while preventing flow reversal in the piping. The spring closure acts faster than that swing check valves, which can slam shut with the flow reversal. The wafer type body design is compact, versatile, and fits inside of the bolting in a flanged connection. For 2″ to 10″ diameters, the 125# wafer design allows for mating to either 12...
  • PriceList for Disk Check Valve - BS5153 Swing Check Valve – Dongsheng

    PriceList for Disk 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...