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  • New Fashion Design for Threaded Ball Check Valve - Cast Iron Double Disc Swing Check Valve – Dongsheng

    New Fashion Design for Threaded Ball 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 ...
  • Hot sale Double Disc Swing Check Valve - Flanged Ball Check Valve – Dongsheng

    Hot sale Double Disc 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 Factory for Saunders Weir Type Diaphragm Valve - Non-Rising Stem Diaphragm Valve – Dongsheng

    OEM Factory for Saunders Weir Type 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 ...
  • Reasonable price for Flange Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Reasonable price for Flange 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 made hot-sale Wafer Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Factory made hot-sale Wafer 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...
  • Discountable price Lever Operated Butterfly Valve - Wafer Type Butterfly Valve – Dongsheng

    Discountable price Lever Operated 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)....
  • 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...
  • Manufacturer of Single Door Check Valve - Threaded Ball Check Valve – Dongsheng

    Manufacturer of Single 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...
  • 2021 China New Design Steel Ball Valves - 1pc Flanged Ball Valve – Dongsheng

    2021 China New Design Steel Ball Valves - 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...
  • 100% Original Factory 2 Way Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    100% Original Factory 2 Way Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    Product Video Product Description Application: As their simple design and reliable function, the ball valves can be used in food, chemical, petrochemical and pharmaceutical industries, in sewage and water treatment plants, etc. Medium can flow in both directions through the ball valves. Technical description: made of stainless steel 1-pc, 2-pc or 3-pc design investment castings full bore – to minimize pressure losses soft-sealing seats floating ball T max = 200 C PN: 16,40, 63 That has a so...
  • Wholesale Price Check Valve Wafer Type - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Wholesale Price Check Valve Wafer Type - 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...
  • Cheapest Factory Cast Iron Ball Valve - Iron Flanged Ball Valve – Dongsheng

    Cheapest Factory Cast Iron 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...