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For stepless(infinitely variable)capacity control of air compressors:Suction control valves,bypass valves,bleed valves and engine speed controllers are govermed by the signal from the proportional controller.
Operation:
Controllers LP5E are positive acting.Within the control band(see diagram)they give a proportionally rising singal at A on increasing pressure at E.
Controllers LPN are negative acting.Within the control band(see diagram)they give a proportionally rising singal at A on increasing pressure at E.
Adjustment:
The set point is adjusted by turning the hand wheel
* to a higher pressure: clockwise
* to a lower pressure: counterclockwise
Ordering details
Type、nozzle(0.8、1.0、1.2、2.0)
Proportional band (control band):
increase: install an outlet nozzle with larger diameter
decrease: install an outlet nozzle with smaller diameter
Technical parameters
反比例阀 LPN
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