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  • Factory Price Wafer Check Valve - Big Size Wafer Type Lift Check Valve – Dongsheng

    Factory Price Wafer 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 ...
  • Factory making 2pc Ball Valve - 1pc Flanged Ball Valve – Dongsheng

    Factory making 2pc Ball Valve - 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...
  • High reputation Dual Disc Check Valve - Flanged Ball Check Valve – Dongsheng

    High reputation Dual Disc 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 ...
  • Factory Cheap Hot Stainless Valve - DIN3352-F4 Resilient Gate Valve – Dongsheng

    Factory Cheap Hot Stainless 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...
  • China Cheap price Lever Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    China Cheap price Lever 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...
  • 100% Original Factory 2 Way Ball Valve - 1pc Flanged Ball Valve – Dongsheng

    100% Original Factory 2 Way Ball Valve - 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...
  • Reasonable price Double Disc Wafer Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Reasonable price Double Disc 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 ...
  • Reasonable price for Flange Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Reasonable price for Flange 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...
  • China wholesale Full Port Ball Valve - 2pcs Flanged Ball Valve – Dongsheng

    China wholesale Full Port 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...
  • Good quality En558 Gate Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Good quality En558 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...
  • Super Purchasing for Centerline Butterfly Valves - Lug Type Butterfly Valve – Dongsheng

    Super Purchasing for Centerline Butterfly Valves - Lug Type Butterfly Valve – Dongsheng

    Product Video Product Description Dimensions: Size : DN 32 to DN 600; Ends : Mounting between ANSI 150 and DIN PN 10/16 pipe flanges; Specifications: Type of valve: Butterfly valve wafer type; Ductile iron butterfly valve min Temperature : -5°C; Ductile iron butterfly valve max Temperature :+ 180°C; Max Pressure : 16 bars up to DN300, 10 bars over ; Removable seat; Actuator mounting plate according to ISO 5211; Full crossing stem; Lockable Handle 9 positions up to DN200. Non-lockable handl...
  • China Cheap price Ball Check Valve Manufacturers - Big Size Wafer Type Lift Check Valve – Dongsheng

    China Cheap price Ball Check Valve Manufacturers - 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 ...