High Quality Backflow Preventer

Short Description:

Size:DN 15~DN 40
Pressure:PN10/PN16/150 psi/200 psi
Standard:
Design:AWWA C511/ASSE 1013/GB/T25178


Product Detail

Product Tags

We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for High Quality Backflow Preventer, sincerity and strength ,often preserve approved superior quanlity ,welcome to our factoty for stop by and instruction and company.
We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for China Check Valve and Valve, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers’ requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

Description:

Most of the residents don’t install the backflow preventer in their water pipe. Only a few people use the normal check valve to prevent back-low. So it will have a big potential ptall. And the old type of backflow preventer is expensive and not easy to drain. So it was very hard to be widely used in the past. But now, we develop the new type to solve it all. Our anti drip mini backlow preventer wil be widely used in the normal user. This is a waterpower control combination device through control the pressure in the pipe to come true the one-way flow. It wil prevent back-flow, avoid the water meter inverted and anti drip. It will guarantee safe drinking water and prevent the pollution.

Characteristics:

1. Straight-through sotted density design, low flow resistance and low noise.
2. Compact structure, short size, easy instal lation, save installing space.
3. Prevent water meter inversion and higher anti-creeper idling functions,
drip tight is helpful to water management.
4. Selected materials have long service life.

Working Principle:

It is made up of two check valves through the threaded
connection.
This is a waterpower control combination device through control the pressure in the pipe to come true the oneway flow. When the water comes, the two discs will be open. When it stops, it will be cloosed by its spring. It will prevent back-flow and avoid the water meter inverted. This valve has another advantage: Guarantee the fair between the user and Water Supply Corporation. When the flow is too small to charging it( such as: ≤0.3Lh),this valve will solve this condition. According to the change of water pressure, the water meter turns.
Installation:
1. Clean up the pipe before the insalation.
2. This valve can be installed in horizontal and vertical.
3. Ensure the medium flow direction and the direction of arrow in the same when install.

Dimensions:

backflow

mini

We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for High Quality Backflow Preventer, sincerity and strength ,often preserve approved superior quanlity ,welcome to our factoty for stop by and instruction and company.
High Quality China Check Valve and Valve, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers’ requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

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