نام محصول:
شیر پنوماتیک
نام انگلیسی:
Pneumatically-operated valve 070×31 series
برند:
VUOTOTECNICA
مشخصات:
Servo-controlled 3-way vacuum valves
These 2-position, 3-way valves feature pneumatically activated conical shutters.
They can be used normally either closed or open.
They are recommended in all the cases that require a quick exchange between the vacuum pump suction and the air inlet into the circuit for a quick restoration of the atmospheric pressure.
They are composed of an anodised aluminium body, two vulkollan® shutters assembled onto a stainless steel stem, a membrane for servo-control made with special compounds and a thrust spring for the shutter return.
These valves allow reducing frictions and internal dynamic stresses to the minimum. The result being a high response speed and a guarantee of long lasting duration.
Technical features
Working pressure: from 0.5 to 3000 mbar abs.
Servo-control pressure: see table
Temperature of the sucked fluid: from -5 to +60 °C
توضیحات:
Operation
pneumatically-operated, servo-driven
Function
shut-off
Applications
vacuum
Material$
anodized aluminum
Number of channels
3-way
Other characteristics
normally closed, normally open
DN
Min.: 0.25 inMax.: 1.5 in
Pressure
Min.: 0.5 mbar(0 psi)Max.: 3,000 mbar(43.5 psi)
Temperature
Min.: -5 °C(23 °F)Max.: 60 °C(140 °F)
Flow rate
Min.: 6 m³/h(211.89 ft³/h)Max.: 10 m³/h(353.15 ft³/h)
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