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  • Hot sale Di Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Hot sale Di 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...
  • Manufacturing Companies for Single Disc Wafer Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Manufacturing Companies for Single 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...
  • Excellent quality Double Door Check Valve - Threaded Ball Check Valve – Dongsheng

    Excellent quality Double Door 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...
  • OEM Customized Ball Type Check Valves - BS5153 Swing Check Valve – Dongsheng

    OEM Customized Ball Type Check Valves - 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...
  • Quality Inspection for Flange Type Butterfly Valve - Flanged Butterfly Valve – Dongsheng

    Quality Inspection for Flange Type 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...
  • Renewable Design for Wafer Type Swing Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Renewable Design for Wafer Type Swing 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 ...
  • Factory Free sample Dual Plate Swing Check Valve - Big Size Wafer Type Lift Check Valve – Dongsheng

    Factory Free sample Dual Plate Swing Check Valve - 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 ...
  • Reasonable price Ductile Iron Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Reasonable price Ductile Iron 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 Price For Wafer Butterfly Check Valve - Flanged Ball Check Valve – Dongsheng

    Factory Price For Wafer Butterfly 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 ...
  • Big Discount Industrial Butterfly Valve - Wafer Type Butterfly Valve – Dongsheng

    Big Discount Industrial Butterfly Valve - Wafer Type Butterfly Valve – Dongsheng

    Product Video Product Description Dimensions: Size : DN 50 to DN 600 Ends : ANSI150/PN10/PN16/JIS10K Specifications: Type of valve: Butterfly valve wafer type Working temperature: EPDM -10℃-+120℃ Face to Face: ISO5752 sequence Upper flange standard: ISO5211 Pressure test conform: API598 Medium: Fresh Water, Sea Water, Food Stuff, all kinds of oil etc. Materials : Body: GGG-50 ductile iron body allows installation in ANSI 150 and DIN PN 10/16 pipe flanges. Disc: Stainless steel 304 (CF8)....
  • Factory Promotional 3 Piece Ball Valve - Iron Flanged Ball Valve – Dongsheng

    Factory Promotional 3 Piece Ball Valve - Iron Flanged Ball Valve – Dongsheng

    Product Video Product Description Specifications: Cast iron ball valve : Min Temperature : -20°C Cast iron ball valve : Max Temperature :+ 120°C Max Pressure : 16 Bars Specifications : Full bore Hollow stainless ball from DN 50 to DN 200 Ends : EN 1092-2 Flanges Materials : Body: Cast iron body – Cast iron EN GJL-250 Sphere: Stainless Sphere – SS 304 Stem seal with PTFE ring and O-ring EPDM Axis blow-out proof full bore With spacing DIN 3202 Product Parameter   NO. Part Material 1 Bo...
  • 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...