Kobold Rotating Vane Flowmeter, DAF-2
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DAF-2 Rotating Vane Flow Indicator

Brand: KOBOLD Instruments, Inc
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The KOBOLD Rotating Vane Flow Indicator is applied where visual flow indication without flow measurement is required. A square housing with transparent windows front and back, contains a rotating vane whose rotary motion, caused by the flowing medium, indicates presence of "flow". 

Within the same housing dimensions, differing minimum and maximum flow ranges are obtained by changing the inlet port orifice. 

The instruments can be installed in any position. Flow, however, must be in the direction indicated by the arrow. 

Connection is made by means of stainless steel flanges in accordance with DIN/Form C in standard sizes DN 15, 25, 40 or 50.

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Specifications

Brand

Axle Material

  • 316Ti Stainless Steel

Bearing Material

  • PTFE - Axle

Connection Material

  • 316Ti Stainless Steel

Cover Material

  • Polysulfone

Enclosure, Body Material

  • 304 Stainless Steel
  • 316Ti Stainless Steel

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - ANSI Class 150
  • 1-1/2” (DN 40) - PN 16

Flange Size - 1” (DN 25)

  • 1” (DN 25) - ANSI Class 150
  • 1” (DN 25) - PN 16

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - ANSI Class 150
  • 1/2” (DN 15) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - ANSI Class 150
  • 2” (DN 50) - PN 16

Flow Rate

  • 0.03-0.1 to 5-150 L/minute to Water

Materials of Construction

  • PTFE - Rotating Vane

O-Ring Material

  • FPM

Operating Pressure

  • Maximum

Operating Temperature

  • 110° C (230° F) - Max.

Documentation

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