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  • 100% Original Resilient Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    100% Original Resilient 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...
  • Factory source Non Return Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Factory source Non Return 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...
  • High reputation Dual Disc Check Valve - Cast Iron Double Disc Swing Check Valve – Dongsheng

    High reputation Dual Disc 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 ...
  • High definition Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    High definition 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...
  • High Quality for Dual Plate Check Valve Manufacturer - Flanged Silent Check Valve – Dongsheng

    High Quality for Dual Plate Check Valve Manufacturer - 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...
  • PriceList for C515 Gate Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    PriceList for C515 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...
  • 2021 wholesale price Ball Type Non Return Valve - 3pcs Thread Ball Valve – Dongsheng

    2021 wholesale price Ball Type Non Return 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...
  • Manufacturing Companies for Dual Plate Wafer Check Valves - Big Size Wafer Type Lift Check Valve – Dongsheng

    Manufacturing Companies for Dual Plate Wafer Check Valves - 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 ...
  • OEM China Flanged Swing Check Valve - Flanged Silent Check Valve – Dongsheng

    OEM China Flanged Swing Check 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...
  • Well-designed Swing Check Valve Wafer - Thin Single Disc Swing Check Valve With Spring – Dongsheng

    Well-designed Swing Check Valve Wafer - Thin Single Disc Swing Check Valve With Spring – Dongsheng

    Product Video Product Description Compact, stainless steel wafer swing check valve provides outstanding sealing capacities for elevated and low pressure. Suitable for mounting between PN10/16 and ANSI 150 flanges in dimensions 2″ to 12″ Used for particular, industrial and HVAC purposes. Water, heating, air conditioning and compressed air devices are applications. An economical test valve that saves room. Either vertically (only upwards) or horizontally installed. Key features: CF...
  • Hot New Products Stainless Steel Ball Valves - 2pcs Thread Ball Valve – Dongsheng

    Hot New Products Stainless Steel Ball Valves - 2pcs Thread Ball Valve – Dongsheng

    Product Video Product Description Application: The stainless steel 2 pieces threaded ball valves are 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. 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. Technical description: made of stainless steel 1-pc, 2-...
  • High reputation Dual Disc Check Valve - Threaded Ball Check Valve – Dongsheng

    High reputation Dual Disc 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...