DWYER DTFA Variable Area Flowmeter

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Description

Series DTFA Variable-Area Flowmeter for Gases, Economical, Aluminum Body, 5% FS

Accuracy

 

DWYER DTFA Variable Area Flowmeter for Gases measures gas flow rates with ±5% of full-scale accuracy at an affordable price. DWYER DTFA Variable Area Flowmeter  IS rugged aluminum construction ensures great compatibility and the strength to withstand system pressures of up to 3000 psig (200 bar). Available in either 1/4″ or 1/2″ NPT connections. Comes pre-calibrated for horizontal in-line mounting.

Product Applications

  • Monitoring pressure drop across filters or strainers
  • Flow scale based on differential pressure
  • Liquid level given pressure differential between bottom and top of tank
  • Hydraulic equipment
  • Oil & gas equipment
  • Heat exchangers
  • Backflow prevention

 

Features

  • Durable metal construction ensures great reliability and the strength to withstand system pressures of up to 3000 psig (200 bar)
  • Shatter proof construction, unlike glass tube variable area flowmeters, yields long operation life
  • Preform precisely in high temperature, high vibration, shock-prone environments

 

Specifications

  • Service: DTFW: Compatible liquids; DTFA: Compatible gases.
  • Wetted Materials: Body: 316 SS, brass or aluminum; Spring: 302 SS or PTFEcoated; Range spring: 302 SS; Magnet: PTFE-coated; Metering cone: Acetal or PTFE; Seals: Buna.
  • Temperature Limits: -40 to 200°F (-40 to 93°C).
  • Pressure Limit: DTFW-3S: 1500 psig (100 bar); All other DTFW models: 3000 psig (200 bar); DTFA: 3000 psig (200 bar).
  • Accuracy: Liquid/oil calibration: ±2% FS; Air calibration: ±5% FS.
  • Repeatability: ±1% FS.
  • Size: Diameter dial face 2.5″ (63.5 mm).
  • Process Connection: See model chart on catalog page.
  • Weight: DTFW-1B and 1S: 3 lb (1.36 kg); DTFW-2B and 2S: 5 lb (2.27 kg); DTFW- 3S: 10 lb (4.54 kg); DTFA-1A: 3 lb (1.36 kg); DTFA-2A: 5 lb (2.27 kg).

 

Models & Ordering

1/4″ connections

Model Description
DTFA-1A-10A Range 1.5-10 SCFM, 1/4″ npt connection
DTFA-1A-15A Range 2.0-15 SCFM, 1/4″ npt connection
DTFA-1A-20A Range 3.0-20 SCFM, 1/4″ npt connection
DTFA-1A-25A Range 3.0-25 SCFM, 1/4″ npt connection

 

1/2″ connections

Model Description
DTFA-2A-100A Range 10.0-100 SCFM, 1/2″ npt connection
DTFA-2A-30A Range 3.0-30 SCFM, 1/2″ npt connection
DTFA-2A-40A Range 4.0-40 SCFM, 1/2″ npt connection
DTFA-2A-50A Range 4.0-50 SCFM, 1/2″ npt connection
DTFA-2A-75A Range 5.0-75 SCFM, 1/2″ npt connection

 

 

 

Additional information

Model

DTFA-1A-10A, DTFA-1A-15A, DTFA-1A-20A, DTFA-1A-25A, DTFA-2A-100A, DTFA-2A-30A, DTFA-2A-40A, DTFA-2A-50A, DTFA-2A-75A

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