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Solenoid Valve Specifications and Dimensions: 2W025-040 Series

Valve Model

2WO040

Valve Type

2 Way Normally Open (NO)

Action

Direct Acting

Cv (Orifice)

Operating Pressure

Vacuum to 90 PSI

Operating Temperature

Standard: NBR Seal:  -10 to 80°C;  Option: Viton Seal: -15 to 120°C

Port Size (NPT)

Body Materials

Brass

Seal Materials:

NBR (Options: Viton )

Coil Protection Insulation Class

H Class IP65 

Coil Duty

100% ED

Coil Power

38W

Electrical Connections

DIN

Service

Air, Gas, Liquid, Vacuum  Steam (with Viton Seal)

ALL Standard valves are supplied with CONTINUOUS DUTY COILS of the proper class of insulation for the service indicated on the valve. The coil temperature may become hot after being energized for extended periods, but it is normal. Smoke or burning odor indicates excessive coil temperature and should disconnect the power to the coil immediately. 

VOLTAGES: Standard: 12-24V DC and 24-110-220-230V/50-60 Hz AC. Voltage tolerances: +10% –5% for DC, +10%-15% for AC; .

SERVICE LIFE: The service life of the solenoid valve depends on the operating conditions such as pressure, temperature, type of medium and the voltage. Normally the STC solenoid valves are reliable for more than 5 million cycles.

2/2 Direct Acting Normally Open (2WO040 Series)

To close: when the valve is energized, it attracts the plunger. Then the plunger covers the main orifice which stops media flow through the valve.
To open: when the valve is de-energized, it releases its hold on the plunger. Then the plunger uncovers the main orifice which allows the flow through the valve.
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Electrical Coil Connections

For DIN Coil

To connect DIN coil:
1. Remove the Philip screw from the plastic housing and unplug it from the DIN coil.
2. From the screw opening, push the terminal block out from the plastic housing.
3. Note the 1, 2 and ground markings on underside of DIN enclosure.
4. For DC DIN Coil, Connect 1 to Positive, 2 to Negative.
5. For AC DIN Coil, connect 1 to HOT wire, 2 to Neutral wire, and if required connect ground to ground wire.

For Grommet Coil

To connect Grommet coil:
1.  For DC Coil, connect one of the two wires to Positive, and the other wire to Negative.
2. For AC Coil, connect one of the two wires to HOT wire, and the other wire to neutral wire.

CAUTION: Do not energize the solenoid coil when it is not installed onto the valve. It may cause it to overheat and create a fire hazard.
 
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Sizto Tech Corporation 892 Commercial Street, Palo Alto, CA 94303 USA
To order or locate a stocking distributor in your area, call 650-856 8833, Fax to 650- 856
8811,
Toll Free: 866-9620170, or email Sales@StcValve.com   
Copyright © 2001-2016 Sizto Tech Corporation, USA, All rights reserved. Last modified: June 15, 2016,
Information contained herein may be changed without prior notification