Series DTFA Variable-Area Flowmeter for Gases

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

Economical, Aluminum Body, 5% FS Accuracy

The Series DTFA Variable-Area Flowmeter for Gases measures gas flow rates with ±5% of full-scale accuracy at an affordable price. 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
Service: Compatible gases.

Wetted Materials:Body: Aluminum; Spring: PTFE-coated; Range spring: 302 SS; Magnet: PTFE-coated; Metering cone: Acetal; Seals: Buna.

Temperature Limits: -40 to 200°F (-40 to 93°C).

Pressure Limit: 3000 psig (200 bar).

Accuracy: ±5% FS.

Repeatability: ±1% FS.

Size: Diameter dial face 2.5" (63.5 mm).

Process Connections: See catalog page.

Weight: DTFA-1A: 3 lb (1.36 kg); DTFA-2A: 5 lb (2.27 kg).
  • 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