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What is the water under reduced pressure pneumatic valve?
by：AIRWOLF
2020-10-15
Water reduced pressure pneumatic valve: (
Also known as vacuum pneumatic valve)
（
Manifold pressure pneumatic valve)
（
Main pressure pneumatic valve)
Is opening and closing of using pneumatic control valve body opening to regulate the flow of medium to medium pressure is reduced, at the same time with the aid of the role of the pneumatic valve after pressure adjust the opening of open-close part, keep the pneumatic valve after pressure within a certain range, according to the requirement of using the selected decompression pneumatic valve type and voltage regulation accuracy, then choose the size according to the maximum output flow required.
Structure characteristics
1, USES the direct acting piston structure, internal structure is very simple, no jam, reliable performance, durable.
2, be able to bear or endure dirty scale, does not need to filter and without by-pass pipe, pipe is very simple, you can save a lot of space and piping costs.
3, outlet pressure adjustable precision of 1 ~ 5. 5 bar, in general situation, can be thought of outlet pressure regardless of the influence of inlet pressure.
4, excellent hydraulic characteristics, small pressure loss, reduced pressure ratio can reach more than 10:1.
5, can meet the requirements of a variety of decompression, particularly applicable to bypass reduced pressure pneumatic valve system.
installation matters
1, convenient for operation and maintenance, the pneumatic valve usually upright installation in horizontal pipe runs.
2, when installation should pay attention to the medium inside the pipeline flow and the pneumatic valve take is shown in the same direction of the arrow.
3, in order to prevent the pneumatic valve after pressure to overpressure, pneumatic valve should be in the outlet of no less than 4 m to install a tap water pressure pneumatic valve. 1 mpa. Reduced pressure pneumatic valve general installation after water air filter, oil mist device or setter, and pay attention to don't put them against the import and export, and reduced pressure pneumatic valve will lose its function, and even damage.
1, USES the direct acting piston structure, internal structure is very simple, no jam, reliable performance, durable.
2, be able to bear or endure dirty scale, does not need to filter and without by-pass pipe, pipe is very simple, you can save a lot of space and piping costs.
3, outlet pressure adjustable precision of 1 ~ 5. 5 bar, in general situation, can be thought of outlet pressure regardless of the influence of inlet pressure.
4, excellent hydraulic characteristics, small pressure loss, reduced pressure ratio can reach more than 10:1.
5, can meet the requirements of a variety of decompression, particularly applicable to bypass reduced pressure pneumatic valve system.
installation matters
1, convenient for operation and maintenance, the pneumatic valve usually upright installation in horizontal pipe runs.
2, when installation should pay attention to the medium inside the pipeline flow and the pneumatic valve take is shown in the same direction of the arrow.
3, in order to prevent the pneumatic valve after pressure to overpressure, pneumatic valve should be in the outlet of no less than 4 m to install a tap water pressure pneumatic valve. 1 mpa. Reduced pressure pneumatic valve general installation after water air filter, oil mist device or setter, and pay attention to don't put them against the import and export, and reduced pressure pneumatic valve will lose its function, and even damage.
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