KDM Variable Area Flow Meter From Kobold Instruments

Armoured Variable Area Flow Meter The KDM Variable Area Flow Meter is ideal for difficult applications requiring high pressure/temperature operation or low pressure loss. Its all metal, armored design is available in stainless steel, PTFE clad stainless steel, or Hastelloy C4.

In standard configuration, the KDM Variable Area Flow Meter is a purely mechanical meter. However, electronic limit switches or an analog flow transmitter or digital totalizer may be added if so desired. Intrinsically safe versions of switches and transmitters are available for operation in hazardous locations. The analog transmitter is available in an intrinsically safe version as an option.

Special Features:

316 Stainless Steel, Hastelloy C and Teflon Wetted Parts
Pipe Sizes 1/2" to 4"
Water Ranges 0.011-0.11 through 44-440 GPM
Air Ranges 0.044-0.44 through 29-290 SCFM
Optional Switches 4-20 mA Output and Digital Totalizer
Special High Temperature Versions to 600°F

Product Specifications:

Metal Versions: ± 1.6% F.S.
PTFE Lined Version: ± 2.5% F.S.


ANSI Flanges
150 lb or 300 lb RF
NPT Thread
1/2" to 2" only

Wetted Parts

Standard: 316-Ti SS
Optional: PTFE clad SS or Hastelloy C4

Operating Temperature

Ambient: – 10 to 140 °F
No Options: – 110 to 390 °F
With Options: – see table
PTFE Clad: – 110 to 160 °F
Hi-Temp. Version: -50 to +600°F

Additional Info
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