Description
The NBK Parts 20048 is a heavy-duty, 2-way normally closed solenoid shutoff valve engineered for reliable fuel gas control in demanding commercial and industrial HVAC applications. Built with a robust aluminum body, NBR seals, and an explosion-proof enclosure, this valve delivers the safety and durability required in hazardous-location environments.
Key Features
- 2-way, normally closed (N/C) configuration — valve closes automatically when de-energized for fail-safe fuel shutoff
- 3/4″ NPT connections for straightforward installation into standard gas piping systems
- 120VAC coil voltage for compatibility with common commercial control circuits
- 5.1 Cv flow coefficient supporting up to 247,500 BTU/hr capacity
- Rated for 0–5 PSI fuel gas service
- Aluminum body construction for a lightweight yet durable build
- NBR (Nitrile Butadiene Rubber) seals for excellent resistance to fuel gases and hydrocarbons
- Explosion-proof enclosure for safe operation in classified hazardous locations
Specifications
- SKU: 20048
- Brand: NBK Parts
- Valve Type: 2-Way Solenoid, Normally Closed
- Connection Size: 3/4″ NPT
- Coil Voltage: 120VAC
- Cv Rating: 5.1
- BTU Capacity: 247,500 BTU/hr
- Pressure Range: 0–5 PSI
- Body Material: Aluminum
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Type: Explosion Proof
- Media: Fuel Gas
Applications
- Commercial and industrial fuel gas shutoff control
- Boiler and burner fuel supply systems
- Hazardous-location gas control panels
- HVAC gas train assemblies requiring explosion-proof rated components
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