1" 24V AC Stainless Steel Solenoid Valve N/O
Availability: In Stock
Technical Details
SKU
SZW-25K-24VAC
Position
Normally Open
Port Size
1" Female NPT
Voltage
24V AC
Body Material
Stainless Steel
Components
Stainless Steel
Seal Material
Viton® Diaphragm
Orifice Size
25 mm
Temp Range
15 to 250° F | -10 to 120°C
Pressure Range
0 to 90 psi
Flow Rate
Cv 12 (Appx 92 GPM @ 60 PSI)
Power
19 VA | 0.80 Amps
Coil Connection
DIN 43650B
Response Time
Fast Acting (Less than one second)
Duty Cycle
100% Duty at Rated Ambient Temperature
Suitable Media
Water – Air - Fuel
Weight
2 lbs 7 oz
Height
5.00"
Length
3.25" port to port
Width
2.60"
Product Overview
The SZW-25K-24VAC is a 1" 24V AC normally open stainless steel solenoid valve designed for automatic on/off control of water, air, and other compatible media in commercial and industrial fluid systems. This 2-way valve stays open when power is off and closes when 24V AC is applied. Its normally open operation makes it a practical choice for systems that need to maintain flow during a power interruption, including cooling-water circulation, bypass lines, and process draining or purging applications.
Built with a 304 stainless steel body, 316 stainless steel internal components, and a Viton® diaphragm, this valve offers corrosion-resistant construction for a range of compatible media. It features 1" female NPT ports, a 25 mm orifice, and a Cv of 12, providing approximately 92 GPM of water flow at 60 psi. The valve operates at 0–90 psi, with a media temperature range of 15°F to 250°F. The coil has a DIN 43650B electrical connection, responds in less than one second, and is rated for 100% duty at rated ambient temperature. Its direct-acting operation with water allows use in gravity-fed and other low-pressure applications without a minimum differential pressure requirement.
Always confirm that the media, pressure, temperature, and flow requirements are compatible with the valve specifications.
Common Applications
Common applications include:
- Emergency cooling-water circulation,
- Industrial water control
- Process water distribution
- Water treatment and filtration equipment
- Humidifiers
- Water sprinkler systems
- Air-handling or pneumatic systems
Installation
- Install the valve in line with the directional arrow on the stainless steel body.
- This is a unidirectional valve and must be installed with flow in the indicated direction.
- The valve can be mounted vertically or horizontally.
- Flush the piping before installation, and we recommend an upstream filter to help prevent debris from interfering with the diaphragm.
*Consult a chemical compatibility expert for correct seal and valve body material choice.
