Description
Overview
The Mars 19171 is a direct-acting, 3-way normally closed solenoid valve engineered for reliable general-service fluid control in commercial and industrial HVAC applications. Built with a durable brass body and NBR (Buna-N) seals, this valve is well-suited for use with air, water, and light oil media. Its NEMA 4X-rated enclosure provides protection against corrosion, dust, and water ingress, making it a dependable choice for demanding environments.
Key Features
- 3-way, normally closed valve configuration for versatile flow control
- Direct-acting design — no minimum pressure differential required to operate
- 1/4″ NPT port connections for easy inline installation
- 120VAC coil voltage for compatibility with standard commercial power supplies
- Flow coefficient (Cv) of 0.35 for precise, controlled flow rates
- Operating pressure range: 0–45 PSI
- Brass body construction for corrosion resistance and long service life
- NBR (Nitrile Butadiene Rubber) seals for compatibility with air, water, and light oil
- NEMA 4X enclosure rating — suitable for indoor and outdoor use in wet or corrosive environments
Specifications
- SKU: 19171
- Brand: Mars
- Valve Type: 3-Way, Normally Closed
- Operation: Direct Acting
- Connection Size: 1/4″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 0.35
- Pressure Range: 0–45 PSI
- Media Compatibility: Air, Water, Light Oil
- Body Material: Brass
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 4X
Applications
The Mars 19171 solenoid valve is ideal for a wide range of general-service HVAC and fluid control applications, including pneumatic systems, water control circuits, light oil systems, and process automation. Its direct-acting mechanism ensures reliable operation even at zero differential pressure, making it suitable for gravity-fed or low-pressure systems.
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