Minggu, 13 Februari 2022

Dwyer HF Series In-Line Flow Monitor

Dwyer HF Series In-Line Flow Monitor is 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 that rides on a tapered center shaft.
Dwyer HF Series In-Line Flow Monitor

The transfer magnet drives a clearly visible magnet follower located outside the flow tube, and a ring on the magnet follower indicates the flow rate on the direct reading scale.

Flow includes Flow Transmitters, Flow Sensors, Flowmeter, Sight Flow Indicators, and Water Meters. Mass Flowmeters, Controllers, Flow Indicators, and Controllers are ideal for the measurement of flow rates. Flow Switches come as a paddle, thermal, piezo, and shuttle/piston. Flowmeters indicate flow rate.

The different sensors include dial, in-line, ultrasonic, orifice plate, totalizing meters, variable area, venturi, or switch output. The different designs of the flowmeters have a variety of applications.

In-line flowmeters are indicators for flow rate. Dwyer's flow meters are ideal for the measurement of a range of compatible gases, oil, or water-based liquids. Applications include deionized water flow, pickling, compressed gases, harsh environments, coolant lines, and industrial applications.

Dwyer HF Series Features

  • 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 assuring a virtually maintenance-free unit
  • Increased application versatility with no inlet or outlet straight plumbing requirement and can be mounted horizontally, vertically, or inverted
  • Rugged construction allows for high pressure and temperature rating for long operation life

Application

  • Setting pressure relief valves
  • Fluid handling equipment
  • Detecting low-flow rates for lubricating liquids
  • Pulp and paper
  • Industrial maintenance
  • Fluid power
  • Heating loop flow


Dwyer HF Series Specification

ServiceCompatible gases or liquids.
Wetted MaterialsHFA: 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 Viscosity500 SSU.
Temperature Limits240°F (116°C).
Pressure LimitsHFA, 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).


Download Data Sheet: HF In-Line Flow Monitors

Ref: dwyer-inst.com

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