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  • Wholesale Ci Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Wholesale Ci 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...
  • Factory Supply Double Flanged Dual Plate Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Factory Supply Double Flanged Dual Plate Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Single disc check valve is also called single plate check valve, it is a valve that can automatically prevent fluid back flow. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the pressure on the inlet side is lower than that on the outlet side, the valve flap is automatically closed under the action of the fluid pressure difference, its own gravity and other factors to ...
  • 2021 New Style Swing Check Valve With Counterweight - Small Size Wafer Type Lift Check Valve – Dongsheng

    2021 New Style Swing Check Valve With Counterweight - 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...
  • OEM Customized Ball Type Check Valves - Thin Single Disc Swing Check Valve – Dongsheng

    OEM Customized Ball Type Check Valves - Thin Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Carbon Steel Thin Type Check Valve with economical, space-saving spring, it comes with Carbon Steel body and NBR O-ring seal, general used for water, heating, air conditioning and compressed air devices. Key features: Available in sizes: 1 1/2″ to 24“. Temperature range: 0°C to 135°C. Pressure rating: 16 Bar. Low head loss. Space saving design. For full details please download the technical datasheet. Swing Check Valve Carbon Steel body Wafer P...
  • OEM Customized Ball Type Check Valves - Cast Iron Single Disc Swing Check Valve – Dongsheng

    OEM Customized Ball Type Check Valves - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Single disc check valve is also called single plate check valve, it is a valve that can automatically prevent fluid back flow. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the pressure on the inlet side is lower than that on the outlet side, the valve flap is automatically closed under the action of the fluid pressure difference, its own gravity and other factors to ...
  • Factory making 2pc Ball Valve - 1pc Threaded Ball Valve – Dongsheng

    Factory making 2pc 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...
  • Factory Free sample Dual Plate Swing Check Valve - Cast Iron Double Disc Swing Check Valve – Dongsheng

    Factory Free sample Dual Plate Swing 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 ...
  • Bottom price Double Wafer Check Valve - Wafer Silent Check Valve – Dongsheng

    Bottom price Double Wafer Check Valve - 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...
  • Hot sale Double Disc Swing Check Valve - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Hot sale Double Disc Swing 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...
  • Best Price for Single Plate Wafer Check Valve - Thin Single Disc Swing Check Valve – Dongsheng

    Best Price for Single Plate Wafer Check Valve - Thin Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Carbon Steel Thin Type Check Valve with economical, space-saving spring, it comes with Carbon Steel body and NBR O-ring seal, general used for water, heating, air conditioning and compressed air devices. Key features: Available in sizes: 1 1/2″ to 24“. Temperature range: 0°C to 135°C. Pressure rating: 16 Bar. Low head loss. Space saving design. For full details please download the technical datasheet. Swing Check Valve Carbon Steel body Wafer P...
  • Fast delivery Wedge Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Fast delivery Wedge 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...
  • Factory selling Wafer Style Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Factory selling Wafer Style 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...