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▪ This directional valve is a sanitary grade single seat, double seat pneumatic operated valve, widely used in the food processing industry, beverage production, pharmaceutical, and fine chemical industries.
Operational principle
▪ The directional valve series is remotely operated by compressed air. By controlling the relative position of the valve core, the purpose of opening or closing the valve is to change the flow direction of the medium (reversing type).
▪ The manual shut-off single seat valve series changes the flow direction of the medium through the control of the handle (reversing type).
Material
▪ Product overcurrent steel components: 304/316L
▪ Other steel components: 304
▪ Seals in contact with conveying materials: E P D M
▪ Internal surface treatment: R a ≤ 0 four μ M
▪ External surface treatment: sandblasting, polishing
Technical parameter
▪ Large product pressure: 1000 k p a (10 b a r)
▪ Small product pressure: vacuum
▪ Temperature range: -10 ℃~13 5 ℃ (using EP D M material sealing ring)
▪ Air pressure: 4000 to 8000 k p a (4-8 b a r)
Function of the execution device
▪ Move down pneumatically and the spring returns.
▪ Move upwards through pneumatic means, and the spring returns.
▪ Move up and down through pneumatic means (A/A)
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