Description
The Mars 20727 is a heavy-duty, pilot-operated 4-way solenoid valve engineered for demanding industrial and commercial HVAC applications where reliability, safety, and versatility are non-negotiable. Built with a robust brass body and NBR (Buna-N) seals and disc, this valve is designed to handle air, water, and light oil service across a wide range of operating pressures. Its explosion-proof enclosure makes it the right choice for hazardous-location installations, while the integrated manual operator allows for convenient override during commissioning, maintenance, or power-outage scenarios.
Key Features
- 4-way pilot-operated piston/poppet design for reliable directional flow control
- 1/2″ NPT port connections for straightforward installation into existing piping
- 120VAC coil voltage — compatible with standard commercial power supplies
- Brass body construction for corrosion resistance and long service life
- NBR (Buna-N) seal and disc material — compatible with air, water, and light oil media
- Explosion-proof enclosure rated for hazardous-location environments
- Manual operator included for override capability without electrical power
Operating Pressure Ranges
- Air: 10–150 PSI
- Water: 10–125 PSI
- Light Oil: 25–125 PSI
Specifications
- SKU: 20727
- Brand: Mars
- Valve Type: 4-Way Solenoid
- Operation: Pilot Operated Piston/Poppet
- Port Size: 1/2″ NPT
- Voltage: 120VAC
- Body Material: Brass
- Seal/Disc Material: NBR (Buna-N)
- Enclosure: Explosion Proof
- Operator: Manual Override Included
- Media: Air, Water, Light Oil
Applications
- Industrial HVAC and process control systems
- Hazardous-location environments requiring explosion-proof rated components
- Pneumatic and hydraulic directional control circuits
- Air, water, and light oil distribution and diversion
- Commercial and industrial automation systems
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