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  • Lowest Price for Single Disk Check Valve - Threaded Ball Check Valve – Dongsheng

    Lowest Price for Single Disk Check Valve - Threaded Ball Check Valve – Dongsheng

    Product Video Product Description The threaded ball check valve is widely used in wastewater, dirty water or high-concentration suspended solid water pipelines. Obviously, it can also be applied to drinking water pressurized pipelines. The temperature of the medium is 0~80℃. It is designed with very low load loss due to total passage and impossible obstacles. It is also a waterproof and maintenance-free valve. Ductile Iron, epoxy-coated body and bonnet, NBR/EPDM seat and NBR/EPDM-coated alum...
  • Hot sale Factory Ball Valve China - 1pc Flanged Ball Valve – Dongsheng

    Hot sale Factory Ball Valve China - 1pc Flanged Ball Valve – Dongsheng

    Product Description Application: The stainless ball valves from 1 piece is designed to be used as shut-off valves for corrosive and non-corrosive liquids, gases and loose materials. Medium may flow in both directions through the ball valves. Thanks to their simple design and reliable function, the ball valves made of one piece can be used in food, chemical, petrochemical and pharmaceutical industries, in sewage and water treatment plants, etc. Technical description: T max = 200 C PN:  10, 16...
  • New Arrival China Check Valve Non Return Valve - Flanged Silent Check Valve – Dongsheng

    New Arrival China Check Valve Non Return 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...
  • Original Factory Lugged Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    Original Factory Lugged 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...
  • Wholesale Dealers of Rubber Ball Check Valve - Flanged Ball Check Valve – Dongsheng

    Wholesale Dealers of Rubber Ball Check Valve - Flanged Ball Check Valve – Dongsheng

    Product Video Product Description Ball Check Valve –Ball check valve is a kind of check valve with multi-ball, multi-channel, multi-cone inverted flow structure, mainly composed of front and rear valve bodies, rubber balls, cones, etc. The ball check valve uses a rubber-covered rolling ball as the valve disc. Under the action of the medium, it can roll up and down on the integral slide of the valve body to open or close the valve, with good sealing performance and noise reduction The city is ...
  • Chinese Professional Cast Iron Swing Check Valve - Flanged Ball Check Valve – Dongsheng

    Chinese Professional Cast Iron Swing Check Valve - Flanged Ball Check Valve – Dongsheng

    Product Video Product Description Ball Check Valve –Ball check valve is a kind of check valve with multi-ball, multi-channel, multi-cone inverted flow structure, mainly composed of front and rear valve bodies, rubber balls, cones, etc. The ball check valve uses a rubber-covered rolling ball as the valve disc. Under the action of the medium, it can roll up and down on the integral slide of the valve body to open or close the valve, with good sealing performance and noise reduction The city is ...
  • OEM/ODM Supplier Dual Plate Type Check Valve - BS5153 Swing Check Valve – Dongsheng

    OEM/ODM Supplier Dual Plate Type 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...
  • High reputation Dual Disc Check Valve - BS5153 Swing Check Valve – Dongsheng

    High reputation Dual Disc 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...
  • Factory source Non Return Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Factory source Non Return 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...
  • 100% Original Double Plate Check Valve - Flanged Ball Check Valve – Dongsheng

    100% Original Double Plate Check Valve - Flanged Ball Check Valve – Dongsheng

    Product Video Product Description Ball Check Valve –Ball check valve is a kind of check valve with multi-ball, multi-channel, multi-cone inverted flow structure, mainly composed of front and rear valve bodies, rubber balls, cones, etc. The ball check valve uses a rubber-covered rolling ball as the valve disc. Under the action of the medium, it can roll up and down on the integral slide of the valve body to open or close the valve, with good sealing performance and noise reduction The city is ...
  • OEM China Flanged Swing Check Valve - Stainless Steel Double Disc Swing Check Valve – Dongsheng

    OEM China Flanged 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...
  • Best quality China Valve Manufacturer - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Best quality China Valve Manufacturer - 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...