Description
The Honeywell L404F1391 is a rugged PressureTrol pressure controller engineered for precision control and safety in high-pressure steam, air, gas, or non-corrosive fluid systems. With an adjustable 20–300 psi operating range and 20–50 psi subtractive differential, it provides reliable automatic protection and control in demanding industrial and commercial environments.
Features:
- Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
- Models have snap-acting switching to open or close a circuit on pressure rise.
- Have adjustable differentials.
- Adjustments are made by screws on top of case.
- Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
- Ground screw terminal.
Specifications
- Application: Provide control of steam, air, non-combustible gases or non-corrosive fluids
- Operating Range: 1 to 8 psi
- Mounting:1/4 in. NPT internal thread or surface mount through back of case
- Switch Operation: Auto recycle
- Switching Action: Snap switch makes R-W on pressure rise
- Sensor Element: Brass bellows
- Pipe Connections, Main or High Pressure:1/4″ NPT internal thread
- Switch Contact Ratings (120v):8.0 AFL, 48.0 ALR, 10.0 A resistive
- Switch Contact Ratings (240v): 5.1 AFL, 30.6 ALR, 5.0 A resistive
- Maximum Sustained Operating Pressure: 25 psi
- Pressure Differential (psi): 2 to 6 psi
- Differential Type: Subtractive
- Temperature Range: -35 to 150 F
- Electrical Connections: Screw terminals
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