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Documents: HFO-21123

Instruction Manual Series HFO Catalog Page More Info

HFO-21123 | In-line flow alarm | range 4-23 SCFM air | 1/4" female NPT. | Dwyer

In-line flow alarm, range 4-23 SCFM air, 1/4" female NPT.

Brand: DwyerSKU: HFO-21123

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Overview Details for HFO-21123

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In-line flow alarm | range 4-23 SCFM air | 1/4" female NPT.

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.

California Residents: Click Here for Proposition 65 WARNING.

Product Applications

Waste water processing
Lubrication systems
Process control
Solar systems
Drain lines
Pump testing

Provides two 10 A SPDT limit switches with field adjustable alarm settings forapplication control and integral direct reading scale provides local indication of flowrate
Increased application versatility with no inlet or outlet straight plumbing requirementand can be mounted horizontally, vertically, or inverted
Outdoor or harsh environment installation capable with rugged cast aluminumconstruction and NEMA 4X (IP65) enclosure

Specifications

Series: HFO In-Line Flow Alarms
Category/Type: Flow
Type: Flowmeters
Series: HFO In-Line Flow Alarms
Service: 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.
Viscosity: 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.
Repeatability: ±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).