DFM Variable Area Gas Flow Meters

DFM Variable Area gas flowmeters are suitable for a wide variety of gases and are supplied pre-scaled to suit your application.
Suitable for vertical installation only, flow upwards.

DFM Range Features:

0.2-1500 NM3/Hr Air in 13 ranges
6 different overall lengths from 165-350mm
Choice of tube materials depending upon operating temperature and pressure up to 100C and 10 Bar
Positive pipe 0-ring sealing requiring less tightening effort when installing
Standard or magnetic floats (where alarms required) of identical mass ensure identical flow ranges when changing
Optional bi-stable adjustable alarm on rear slide
Optional 4-20 mA transmitter (ATEX EEx ia)
Items: 120 of 28
SKU Product name   Price  
47516~GAS DFM165 3/8" 0.2 - 1 NM3/Hr (Air 1 Bar Abs 20 C)
  • $156.99
47517~GAS DFM165 3/8" 0.3 - 2.2 NM3/Hr (Air 1 Bar Abs 20 C)
  • $156.99
47518~GAS DFM165 3/8" 0.5 - 3.5 NM3/Hr (Air 1 Bar Abs 20 C)
  • $156.99
47529~GAS DFM200 1" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47519~GAS DFM165 3/8" 1.0 - 8.5 NM3/Hr (Air 1 Bar Abs 20 C)
  • $156.99
47520~GAS DFM170 1/2" 0.4 - 2.4 NM3/Hr (Air 1 Bar Abs 20 C)
  • $160.40
47521~GAS DFM170 1/2" 0.8 - 6.4 NM3/Hr (Air 1 Bar Abs 20 C)
  • $160.40
47522~GAS DFM170 1/2" 1.2 - 10 NM3/Hr (Air 1 Bar Abs 20 C)
  • $160.40
47526~GAS DFM185 3/4" 2.4 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47524~GAS DFM185 3/4" 0.8 - 5.6 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47525~GAS DFM185 3/4" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47527~GAS DFM185 3/4" 4 - 36 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47528~GAS DFM200 1" 1.2 - 9 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47530~GAS DFM200 1" 4 - 35 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
47531~GAS DFM200 1" 6 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
  • $174.05
46303~GAS DFM350 1" 2.5 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
  • $223.53
46304~GAS DFM350 1" 4 - 32 NM3/Hr (Air 1 Bar Abs 20 C)
  • $223.53
46306~GAS DFM350 1.1/4" 5 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
  • $281.54
46307~GAS DFM350 1.1/4" 10 - 80 NM3/Hr (Air 1 Bar Abs 20 C)
  • $281.54
46311~GAS DFM350 1.1/2" 7 - 65 NM3/Hr (Air 1 Bar Abs 20 C)
  • $313.96
Items: 120 of 28