Duckbill valve

The duckbill valve is a type of check valve that utilizes a flat, beak-like structure made of rubber or elastic material. It opens under forward fluid pressure to allow flow and closes under reverse pressure to prevent backflow. It is primarily used in drainage systems, sewage treatment, and flood control projects to prevent liquid backflow and the entry of foreign objects.
Selection
When selecting a duckbill valve, consider the fluid medium, pressure range, installation environment dimensions, and material corrosion resistance. Match the pipe diameter, ensure sealing performance, check the valve body's elasticity and durability, and adapt to specific application scenarios such as humid or chemical environments.

Instruments

The pumping rate is up to 4L/s, and the noise value is only 68dB. The gas ballast valve design is adopted to prevent the pump oil from mixing and prolong the service life. It is compact and easy to install, and supports a variety of interface conversions.

$ 361.00

The pumping rate is 36m ³/h, the ultimate pressure is 0.005mbar, the anti-suction valve is used to prevent oil from being sucked back, the gas ballast valve can adjust the Vacuum Level and process water vapor, and the composite explosion-proof technology ensures safe operation.

$ 1631.00

It adopts explosion-proof composite explosion-proof technology to ensure safe operation. It is equipped with an anti-suction valve to prevent oil from being sucked back. It is equipped with a gas ballast valve to adjust the Vacuum Level. The pumping rate is 24m ³/h, and the noise value is 58dB.

$ 1192.00

Suitable for flammable and explosive environment, explosion-proof grade ExdIBT4, pumping rate 8m ³/h, limit pressure as low as 0.005mbar, equipped with anti-suction valve and gas ballast valve to ensure safe and reliable operation.

$ 882.00

The pumping rate is up to 36m ³/h, the ultimate pressure is as low as 0.005mbar, and it is equipped with a special gas ballast valve to accelerate the extraction of steam. The built-in air inlet check valve protection system and forced oil pump lubrication ensure stable operation.

$ 1140.00

Equipped with gas ballast valve can prevent pump oil from mixing, pumping rate up to 2L/s, limit full pressure ≤ 1Pa, support a variety of interface conversion, suitable for Drying Oven and coating equipment and other precision working environment.

$ 367.00

Equipped with special gas ballast valve to prevent pump oil from mixing, pumping rate up to 4L/s, limit pressure 1Pa, with automatic anti-return oil check valve, support a variety of interface conversion.

$ 399.00

Adopt flameproof composite explosion-proof technology to ensure safe operation, equipped with anti-suction valve to prevent oil backflow, pumping rate up to 4m ³/h, limit pressure as low as 0.005mbar, suitable for dangerous environment.

$ 817.00

It adopts an oil pump forced oil inlet device to operate continuously under low intake pressure; it is equipped with a special gas ballast valve to prevent pump oil from mixing water; the pumping efficiency is up to 8L/S, Ultimate vacuum degree ≤ 5 × 10 ^ Pa; it is equipped with an automatic anti-return oil check valve and supports a variety of interface configurations.

$ 830.00

The pumping rate is 2L/s, with 65dB low-noise operation, equipped with oil-proof mixed water and gas ballast valve, supports a variety of interface adaptations, and is small in size for easy installation and use.

$ 350.00

The pumping rate is 4L/s, the noise value is 68dB (A), the gas ballast valve is used to prevent the pump oil from mixing, the size is small and easy to start, and a variety of interface configurations are supported.

$ 367.00

The integral pump structure is adopted, and the forced oil pump lubrication system ensures stable operation. Ultimate vacuum degree reaches 5x10 ^ Pa, and the noise is only 58dB. The special gas ballast valve can efficiently extract steam without polluting the oil quality.

$ 1437.00

The pumping rate is up to 1L/s and the noise is controlled at 65dB. It is equipped with a gas ballast valve to prevent the pump oil from mixing with water. It is compact and easy to install, and supports a variety of interface conversions.

$ 304.00

The pumping rate is up to 2L/s, the ultimate pressure is as low as 1Pa, and it is equipped with an automatic anti-return oil check valve, which supports a variety of interface conversions and is suitable for complex gas environments such as steam and particles.

$ 378.00

The pumping speed is 0.5L/S, the noise is as low as 62dB, and it is equipped with a gas ballast valve to prevent the pump oil from mixing with water. The anti-return oil safety device is adopted, and the size is small and convenient to start.

$ 270.00