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  • Reliable Supplier Flanged Type Butterfly Valve - Wafer Type Butterfly Valve – Dongsheng

    Reliable Supplier Flanged Type 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 Dual Wafer Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    OEM Supply Dual 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...
  • Bottom price Double Wafer Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Bottom price Double 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 ...
  • 2021 High quality Manual Ball Valve - 3pcs Thread Ball Valve – Dongsheng

    2021 High quality Manual Ball Valve - 3pcs Thread 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: T max = 200 C PN:  63 made of stainless steel 3-pc design investment castings full bore – to minimize pressure losses soft-sealing seats floating ball Our primary objective is always t...
  • Best Price on Ss Wafer Check Valve - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Best Price on Ss Wafer 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...
  • 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 ...
  • Wholesale Discount Lug Style Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Wholesale Discount Lug 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...
  • Factory wholesale Dual Flap Check Valve - Big Size Wafer Type Lift Check Valve – Dongsheng

    Factory wholesale Dual Flap 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 ...
  • PriceList for Rubber Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng

    PriceList for Rubber 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 produ...
  • Hot Sale for Wafer Lift Check Valve - Threaded Ball Check Valve – Dongsheng

    Hot Sale for Wafer Lift 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...
  • Factory wholesale Foot Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Factory wholesale Foot 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...
  • Best quality 2.5 Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Best quality 2.5 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...