Description
The NBK Parts 20438 is a heavy-duty 3-way universal solenoid valve engineered for demanding HVAC, industrial, and process control applications involving both air and water media. Built with a robust brass body and an NBR (nitrile butadiene rubber) disc, this valve delivers reliable, long-lasting shutoff performance in a wide range of system environments. Its explosion-proof enclosure makes it a go-to solution for hazardous-location installations where safety and code compliance are paramount.
Key Features
- 3-way universal valve configuration for versatile installation and piping arrangements
- 1/4″ NPT port connections for straightforward integration into existing pipework
- 120VAC coil voltage for compatibility with standard commercial and industrial power supplies
- Flow coefficient (Cv) of 0.38 for precise, controlled flow regulation
- Operating pressure range: 0–125 PSI, suitable for air and water service
- Manual reset function provides added safety and control in critical applications
- Brass body construction offers excellent corrosion resistance and durability
- NBR disc material provides reliable sealing across a broad range of compatible media
- Explosion-proof enclosure rated for use in hazardous locations
Specifications
- SKU: 20438
- Brand: NBK Parts
- Valve Type: 3-Way Solenoid, Universal
- Port Size: 1/4″ NPT
- Voltage: 120VAC
- Flow Coefficient (Cv): 0.38
- Pressure Range: 0–125 PSI
- Media: Air and Water
- Reset Type: Manual Reset
- Body Material: Brass
- Disc Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Type: Explosion Proof
Applications
- HVAC control systems requiring directional flow switching
- Compressed air and pneumatic control circuits
- Water and fluid distribution systems
- Hazardous-location environments requiring explosion-proof components
- Industrial process control and automation
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