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MAC 3 way solenoid valves large 57 Series

The MAC 57 Series is a 3-way balanced spool valve piloted by our 200 series (which means this large 3-way valve can also be ordered with the 200 series Hazardous Location version as a pilot - giving it the same standard).  This is an extremely versatile valve: 1. It can be converted for use in vacuum. 2. It can be changed from a Normally Closed function to a Normally Open function by simply rotating a function plate between the pilot and the main valve bodies. 3. It can also be converted to a remote air operated valve by removing the solenoid pilot assembly - just to name a few.

The patented MACSOLENOID  with its non-burn out feature on AC service.
Seven valve functions in one valve.
Balanced spool unaffected by back pressure in the exhaust.
A large checked accumulator which supplies the pilot and air/spring return for consistent shifting.
A triple rated coil for 120/60, 110/50 or 24 VDC (6 Watt).
Use on lube or non-lube service.
Various types of manual operators and solenoid enclosures.
Optional low wattage DC coils down to 1 watt.
Optional explosion proof models designed to meet
CSA standards for Class I, Groups B, C, D and
Class II, Groups E, F and G. (NEMA equivalent of Class I is NEMA 7; Class II is NEMA 9).

technical data
Fluid : Compressed air, vacuum, inert gases
Pressure range :  Internal pilot : 25 to 150 PSI
External pilot : vacuum to 150 PSI
Pilot pressure :  25 to 150 PSI (Not to exceed main valve pressure by more than 50 PSI)
Lubrication : Not required, if used  select a medium aniline point lubricant (between 180!aF and 210!a
Filtration : 40 |
temperature range :0!aF to 120!aF (-18!aC to 50
Flow (at 6 bar, ?P=1bar) :Norm. Closed :1/2!± (9.0  ), 3/4!± (12.7  ), 1!± (15.9  ), Norm. Open : 1/2!± (10.0  ), 3/4!± (13.7  ), 1!± (17.4  )
Leak rate : /minm00 c2
Coil : General purpose class A, continuous duty, encapsulated
Voltage range : -15% to +10% of nominal voltage
Protection : Consult factory
Inrush : 33 VA
Holding : 19.7 VA
Power :  = 1 to 24 W
response times : 24 V
DC (8.5 W) gize : 23 ms nergize : 13ms  Ener   De-e
120/60 gize : 9-16 ms  nergize : 11-22 ms  Ener   De-e

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