MAC電控比例閥57D-52-RA
? EXTERNAL PILOT: An external pilot
supply is required when main valve pressures are
lower than 30 psi on solenoid pilot or 25
source to port #3 with port #1 open to
atmosphere, and use external pilot on
solenoid pilot operated models. On remote air
convert from internal to external pilot on
solenoid models simply rotate pilot housing
180 degrees and connect external pilot source.
(Use either M5 or#10-32 fitting.) On
remote air pilot models, specify -
Ability to use a pilot signal pressure
different from the main valve pressure. Pilot signal
can be from 30 to 150 PSI, regardless of main valve pressure.
? A manual operator and position indicator standard.

MAC電控比例閥57D-52-RA