Description
ASCO 8266D23L Direct Acting Fuel Oil Solenoid Shutoff Valve
The ASCO 8266D23L is a 2-way, normally closed, direct acting solenoid valve engineered specifically for fuel oil shutoff applications. With a brass body and stainless steel internal components, this valve delivers reliable, long-lasting performance in demanding heating system environments. Its direct acting design means it opens and closes without relying on line pressure, ensuring dependable operation across a broad range of conditions.
Key Features
- 2-Way, Normally Closed (N/C) configuration — valve closes automatically when de-energized for fail-safe fuel shutoff
- Direct acting operation — functions independently of line pressure differential
- 3/8″ NPT pipe connection for easy installation in standard fuel oil lines
- 120VAC coil voltage for compatibility with common commercial and residential electrical systems
- 1.2 Cv flow coefficient for optimized fuel flow performance
- Brass body construction for corrosion resistance and durability
- Stainless steel internal trim for compatibility with fuel oil media
Pressure & Media Ratings
- 0–110 PSI rated for #2 Fuel Oil at 60 SSU viscosity
- 0–110 PSI rated for #4 Fuel Oil at 300 SSU viscosity
- 0–100 PSI rated for #5 Fuel Oil
- 0–100 PSI rated for Heated #6 Fuel Oil up to 5,000 SSU viscosity
Specifications
- SKU: 8266D23L
- Brand: ASCO
- Valve Type: 2-Way Solenoid, Normally Closed
- Operation: Direct Acting
- Connection Size: 3/8″ NPT
- Voltage: 120VAC
- Flow Coefficient (Cv): 1.2
- Body Material: Brass
- Trim Material: Stainless Steel
- Media: #2, #4, #5, and #6 Fuel Oils
Applications
- Fuel oil burner shutoff in residential and commercial boilers
- Oil-fired heating systems requiring automatic fuel isolation
- Fuel supply line control for #2 through #6 fuel oil grades
- Safety shutoff in oil heating equipment
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