Turbo-flo 25p

Flow Measurement:

Water

Product Datasheet

Turbo-FloTM PVC probes offer the precision of turbine technology with rugged construction. The practical design of the probe includes a bluff bar which protects the turbine from foreign materials in the stream as well as from over insertion. Installation is simple and does not require special fittings. The Turbo-Flo™ probe may be installed in standard pipe tees, through pipe saddles, welding spuds and 1 1/2” full opening ball or gate valves.

  • PVC non-metallic construction is ideal for installation in PVC or other non-metallic piping.
  • PVC connector fittings.
  • Excellent chemical resistance.
  • Adjustable insertion length for 1 1 ⁄2 to 10 inch pipe.
  • Rugged construction for industrial environments.
  • No external power required.
  • Wide measuring range with 30:1 turndown.
  • Low mass turbines offer improved sensitivity and long life.
  • Use standard pipe fittings for installation.

The turbine is positioned in the mid-section of the pipe with its axis of rotation parallel with the flow stream. Fluid velocity causes the turbine, which has a ring magnet inside of its hub, to rotate in proportion to flow rate. As the turbine rotates, the magnetic field passes through a coil in the probe body, generating a pulse output in proportion to the turbine rotation speed. Flow volume is then determined from fluid velocity measurement and pipe diameter information.
15 feet or more of cable for connection to remotely mounted display/transmitter.
Probe mounted options include 4-20 mA signal output transmitters and displays.
The LCD rate/total display does not require external power. Turbine rotation recharges the lithium power cell in the display.
Transmitters and displays can
also be wall mounted. Shown:
TF-15350-2 Rate/total display
TF-15390 Rate/total display with 4-20 mA transmitter
TF-15385 4-20 mA transmitter (no display)
The wall mounted TF-15275 Series of Flow Controllers includes 4-20 mA signal output and two optional adjustable set points each with Form C 5A contacts. NEMA 4X enclosure. 85-265
VAC, 47-63 Hz.

Accuracy: ±1.0%
Repeatability: ±0.5%
Linearity: ±0.5%
Turndown: 30:1
Insertion Length: 02 = 2 inches 06 = 6 inches 12 = 12 inches
Threshold: 0.5 ft/s or 1.22 x ID2 = GPM Liquid
Velocity: ft/s = 0.408 x GPM/pipe ID2
    Point Velocity = 2.625 pulses/ft/s

Pulse/gallon correction for uncharted pipe diameters =
ID2 charted pipe Pulse/gallon ID2 uncharted pipe x charted pipe

Materials of Construction:
Probe: PVC
Connector: PVC
Turbine: Delrin®
O-rings: Buna-n or Viton®
Temperature Limits: 140°F(60°C)
Pressure Limits: 145 psig(10bar)@ 75°F(24°C)

ERDCO reserves the right to alter design and/or specifications without notice. Viton® and Delrin® are registered trademarks of E.I. Dupont de Nemours and Co.