Series HFO In-Line Flow Alarms
Latching Alarm Capabilities, For Air, Water or Caustic Fluids, Unrestricted Mounting
The SERIES HFO In-Line Flow Alarms provide continuous monitoring and control of flow rate levels. The flow alarm can be configured to open or close a contact for an increasing or decreasing set point. Available in 1/4", 1/2", 1" or 1-1/2" female NPT process connections, in aluminum, brass or 304 SS body.
- Waste water processing
- Lubrication systems
- Process control
- Solar systems
- Drain lines
- Pump testing
Models & Ordering
- Compatible gases or liquids.
- Wetted Materials:
- Body: Aluminum, brass or 304 SS; Seals: Buna-N or fluoroelastomer; Magnet: PTFE coated Alnico; Other internal parts: 304 SS.
- 500 SSU.
- Temperature Limits:
- 170°F (76°C).
- Pressure Limits:
- Aluminum Body: 600 psig (41 bar); Brass body: 3500 psig (240 bar); 304 SS body: 6000 psig (413 bar).
- Enclosure Rating:
- NEMA 4X (IP66).
- Accuracy Measuring:
- ±4% FS over entire range; ±2.5% over center third of the measuring range.
- ±1% of full scale.
- Switch Type:
- SPDT, 10A @ 250 VAC; 0.5A @ 125 VDC (resistive).
- Shipping Weight:
- 1/4 to 1/2" female NPT models: 3 lb (1.4 kg); 3/4 to 1" female NPT models: 4.5 lb (2.0 kg); 1-1/2" female NPT models: 12 lb (5.4 kg).
- Provides two 10 A SPDT limit switches with field adjustable alarm settings for application control and integral direct reading scale provides local indication of flow rate
- Increased application versatility with no inlet or outlet straight plumbing requirement and can be mounted horizontally, vertically, or inverted
- Outdoor or harsh environment installation capable with rugged cast aluminum construction and NEMA 4X (IP65) enclosure
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