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  • Wholesale Price China Thread Ball Valve - 1pc Threaded Ball Valve – Dongsheng

    Wholesale Price China Thread 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...
  • OEM Supply Saunders Type A Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng

    OEM Supply Saunders Type A Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – 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 company sticks to the principle of “Quality is the life of the company, and reputation is the soul of it” for China DIN Flange Cast Iron Diaphragm Valve Rising Stem GG25 Body, All produc...
  • OEM manufacturer Flanged Wafer Check Valve - Wafer Silent Check Valve – Dongsheng

    OEM manufacturer Flanged 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...
  • 2021 Latest Design Wafer Lug Check Valve - Foot Valve – Dongsheng

    2021 Latest Design Wafer Lug Check Valve - Foot 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...
  • Free sample for Dual Disc Wafer Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Free sample for Dual Disc 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...
  • High Performance 100mm Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    High Performance 100mm Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    Product Video Product Description The butterfly valve is a valve that uses a disc-type opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. The butterfly valve is not only simple in structure, small in size, light in weight, low in material consumption, small in installation size, small in driving torque, simple and fast in operation, but also has good flow regulation and closing and sealing characteristics at the same time. It has been develope...
  • Good User Reputation for Foot Valve Of Pump - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Good User Reputation for Foot Valve Of Pump - 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...
  • Hot Sale for Stainless Steel Wafer Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Hot Sale for Stainless Steel Wafer 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 ...
  • Top Quality Wafer Swing Check Valve - Stainless Steel Double Disc Swing Check Valve – Dongsheng

    Top Quality Wafer Swing Check Valve - 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...
  • Wholesale Price Check Valve Wafer Type - Big Size Wafer Type Lift Check Valve – Dongsheng

    Wholesale Price Check Valve Wafer Type - Big Size Wafer Type Lift Check Valve – Dongsheng

    Product Video Product Description Check valves allow flow in one direction and automatically prevent flow in the opposite direction. This valve is mainly used in the fluid system containing strong oxidative mediums, like water supply system, heat supply system and acid system etc. It is always used as accessory of boilers. It has exquisite profile and simple structure. Its spring device functions to speed up the closing movement of the disc so as to eliminate water hammer. This valve is very ...
  • Big Discount Industrial Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    Big Discount Industrial Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    Product Video Product Description The butterfly valve is a valve that uses a disc-type opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. The butterfly valve is not only simple in structure, small in size, light in weight, low in material consumption, small in installation size, small in driving torque, simple and fast in operation, but also has good flow regulation and closing and sealing characteristics at the same time. It has been develope...
  • Chinese Professional Stainless Steel Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Chinese Professional Stainless Steel 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...