HFB-3-20 | In-line flow monitor | 3/4
$1,087.02
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HFB-3-20 | In-line flow monitor | 3/4" female NPT | 2-20 GPM (7.5-75 LPM) water. | Dwyer

In-line flow monitor, 3/4" female NPT, 2-20 GPM (7.5-75 LPM) water.

Brand: DwyerSKU: HFB-3-20
Dwyer | HFB-3-20
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Overview Details for HFB-3-20

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In-line flow monitor | 3/4" female NPT | 2-20 GPM (7.5-75 LPM) water.

Series HF In-Line Flow Monitors

For Air, Water or Caustic Fluids, ±2% FS, Unrestricted Mounting, High Temperature and Pressure Options

The Series HF In-Line Flow Monitors are ruggedly constructed and ideal for direct measurement for a range of compatible gases, oil or water based liquids. This Series is designed based on a floating orifice disk and variable area flow measurement. Flowing media forces linear motion of the orifice disk and a ring shaped magnet which ride on a tapered center shaft. The transfer magnet drives a clearly visible magnet follower located outside the flow tube, and a ring on the magnet follower indicates flow rate on the direct reading scale.

Note: If you require a calibration certificate with your flowmeter, please contact customer service to place your order.

California Residents:  Click Here for Proposition 65 WARNING.

Product Applications

  • Setting pressure relief valves
  • Fluid handling equipment
  • Detecting low-flow rates for lubricating liquids
  • Pulp and paper
  • Industrial maintenance
  • Fluid power
  • Heating loop flow
  • This unique design allows accurate performance with fluid viscosities up to 500 SSU
  • All internal wetted parts are contained inside a sealed metal tubular casing assuringa virtually maintenance-free unit
  • Increased application versatility with no inlet or outlet straight plumbing requirementand can be mounted horizontally, vertically, or inverted
  • Rugged construction allows for high pressure and temperature rating for longoperation life

Specifications

Series
HF In-Line Flow Monitors
Category/Type
Flow
Type
Flowmeters
Series
HF In-Line Flow Monitors
Service
Compatible gases or liquids.
Wetted Materials
HFA: Aluminum casing; Buna-N seals; PTFE coated Alnico magnet; SS disk; HFB: Brass casing; Buna-N seals; PTFE coated Alnico magnet; SS disk; HFS: 303 SS casing; FKM seals with PTFE backup; PTFE coated Alnico magnet; SS disk.
Maximum Viscosity
500 SSU.
Temperature Limits
240°F (116°C).
Pressure Limits
HFA; HFB; HFL and HFH models: 600 psig (41 bar) for air and gas;3500 psig (241 bar) for liquids;HFS model: 1000 psig (70 bar) for air and gas; 6000 psig (413 bar)for liquids.
Accuracy
±4% FS over entire range; ±2.5% over center third of the measuring range.
Repeatability
±1% of FS.
Shipping Weight
1/4" to 1/2" female NPT models; 2 lb (0.9 kg);3/4" to 1" female NPT models: 3.5 lb (1.59 kg);1-1/2" female NPT models: 11 lb (5 kg);2" female NPT models: 13.5 lb (6.12 kg).

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