Description
The Mars 19168 is a direct-acting, 3-way normally closed solenoid valve engineered for dependable general-service performance across a wide range of HVAC, industrial, and fluid-control applications. Built with a robust brass body and an NBR (Buna-N) elastomer seal, this valve delivers reliable shutoff and diversion of air, water, and light oil media — making it a versatile choice for system designers and service technicians alike.
Key Features
- 3-way, normally closed (NC) configuration for fail-safe operation
- Direct-acting design — no minimum pressure differential required
- 1/4″ NPT port connections for easy inline installation
- 24VAC coil voltage for compatibility with standard HVAC control circuits
- Flow coefficient (Cv) of 0.25 for precise, low-flow applications
- Operating pressure range: 0–85 PSI
- Brass body construction for corrosion resistance and durability
- NBR (Buna-N) seal material compatible with air, water, and light oil
- NEMA 4X enclosure rating — suitable for wet, corrosive, and outdoor environments
Specifications
- SKU: 19168
- Brand: Mars
- Valve Type: 3-Way Solenoid Valve
- Operation: Normally Closed (NC)
- Actuation: Direct Acting
- Port Size: 1/4″ NPT
- Coil Voltage: 24VAC
- Flow Coefficient (Cv): 0.25
- Pressure Range: 0–85 PSI
- Media Compatibility: Air, Water, Light Oil
- Body Material: Brass
- Seal Material: NBR (Buna-N)
- Enclosure Rating: NEMA 4X
Applications
- HVAC control systems requiring fluid diversion or bypass
- Compressed air and pneumatic control circuits
- Water and light oil distribution systems
- General-purpose industrial and commercial fluid control
- Outdoor or wash-down environments requiring NEMA 4X protection
The NEMA 4X-rated enclosure provides protection against dust, splashing water, and corrosion, making the Mars 19168 equally at home in demanding outdoor installations or harsh mechanical rooms. Its direct-acting operation ensures consistent performance even at zero differential pressure, eliminating the need for a minimum line pressure to open or close the valve.
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