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  • Europe style for Wafer Spring Check Valve - Thin Single Disc Swing Check Valve With Spring – Dongsheng

    Europe style for Wafer Spring Check Valve - 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...
  • Best Price on Ss Wafer Check Valve - Small Size Wafer Type Lift Check Valve – Dongsheng

    Best Price on Ss 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...
  • 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 OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng

    China OEM Weir 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...
  • Super Purchasing for Centerline Butterfly Valves - Flanged Butterfly Valve – Dongsheng

    Super Purchasing for Centerline Butterfly Valves - 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...
  • Europe style for Wafer Spring Check Valve - Thin Single Disc Swing Check Valve – Dongsheng

    Europe style for Wafer Spring Check Valve - Thin Single Disc Swing Check Valve – Dongsheng

    Product Video Product Description Carbon Steel Thin Type Check Valve with economical, space-saving spring, it comes with Carbon Steel body and NBR O-ring seal, general used for water, heating, air conditioning and compressed air devices. Key features: Available in sizes: 1 1/2″ to 24“. Temperature range: 0°C to 135°C. Pressure rating: 16 Bar. Low head loss. Space saving design. For full details please download the technical datasheet. Swing Check Valve Carbon Steel body Wafer P...
  • 2021 Latest Design Wafer Lug Check Valve - Wafer Silent Check Valve – Dongsheng

    2021 Latest Design Wafer Lug Check Valve - Wafer Silent Check Valve – Dongsheng

    Product Video Product Description The silent check valves with a cast iron body, use a fully automatic spring assisted discs to eliminate water hammer while preventing flow reversal in the piping. The spring closure acts faster than that swing check valves, which can slam shut with the flow reversal. The wafer type body design is compact, versatile, and fits inside of the bolting in a flanged connection. For 2″ to 10″ diameters, the 125# wafer design allows for mating to either 12...
  • 2021 Good Quality Butterfly Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    2021 Good Quality Butterfly 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 Price For Wafer Butterfly Check Valve - Stainless Steel Single Disc Swing Check Valve – Dongsheng

    Factory Price For Wafer Butterfly 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...
  • Trending Products Waste Water Check Valve - Big Size Wafer Type Lift Check Valve – Dongsheng

    Trending Products Waste Water 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 ...
  • Trending Products Waste Water Check Valve - Cast Iron Single Disc Swing Check Valve – Dongsheng

    Trending Products Waste Water 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 Cheap Hot Stainless Valve - DIN3352-F4 New Style Resilient Gate Valve – Dongsheng

    Factory Cheap Hot Stainless 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...