Page 28 - Alkon - Directional Control Air Valves & Accessories
P. 28
Keeping the world moving and working.
O M N I S E R I ES V A L V ES
ENGINEERING DATA FOR ALL OMNI VALVES (Continued) How the Sleeve & Plunger
Solenoid Air Pilot
Assembly Works
SOLENOID SPECIFICATIONS
OMNI 150 OMNI 250 OMNI 375
STANDARD CURRENT (AMPS) CURRENT (AMPS) CURRENT (AMPS)
VOLTAGES IN RUSH HOLDING IN RUSH HOLDING IN RUSH HOLDING
110/50Hz .09 .04 .13 .08 .13 .08
120/60Hz .07 .03 .11 .07 .13 .08
215/50Hz .06 .04 .13 .08
240/60Hz .06 .03 .13 .08
24/60Hz .6 .3 .13 .08 This diagram shows how this assembly
works. Pilot air for the solenoid pilot is
.6 .6 .6 .6 supplied from main line air through internal
12VDC .24 .24
DIN=.87 DIN=.87 DIN=.87 DIN=.87 valve passage “A.” With the solenoid in the
.29 .29 .29 .29 de-energized position, the spring-loaded
24/VDC .12 .12
DIN=.43 DIN=.43 DIN=.43 DIN=.43 plunger seals against the air inlet “B.” When
the solenoid is energized, the plunger
120VDC .05 .05 .13 .08
moves back and its top seat seals against
• Other AC and DC Voltages Available Upon Request the exhaust outlet “E.” The top seat of the
• Explosion Proof Solenoids Available on Some Models plunger is spring compensated against wear
• All Solenoids Designed to Meet or Exceed U.L. & CSA Requirements to assure complete, lifetime sealing. When
the plunger moves off inlet port “B” the pilot
SOLENOID HOUSING CLASSIFICATION air passes through outlet “C” to act on the
Conduit & Grommet Housings Explosion Proof Housings Meet: end of the spool “D” causing the spool to
with Molded Coils Meet: shift. When the solenoid is de-energized, the
NEMA 7C, 7D & CSA plunger returns back to its starting position,
NEMA 1 General Purpose = Indoors Class I = Groups C & D = Explosion Proof the pilot air exhausts out of the spool
NEMA 2 Dripproof = Indoors NEMA 8C, 8D & CSA chamber through inlet “C”, past the plunger
NEMA 3 Driptight = Indoors Class I = Groups C & D = Explosion Proof and out through outlet “E” to atmosphere.
NEMA 4 Watertight & Dusttight
*
= Indoors & Outdoors NEMA 9E, 9F, 9G & CSA
NEMA 6 Submersible, Watertight, Dusttight & Class II = Groups E, F & G = Explosion Proof
*
Sleet-Ice Resistant = Indoors & Outdoors
* Specify “Potted Coil Option to meet NEMA 4 & 6“
28 www.alkoncorp.com