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 100°C 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)

DFM Variable Area Gas Flow Meters

Sort by: SKU Product Price Default Result pages: 1 2 3 See details DFM165 3/8" 0.2 - 1 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47516~GAS DFM165 3/8" 0.2 - 1 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 165mm Length See Options: Alarms / 4-20 mA Our price: UK£68.64 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM165 3/8" 0.2 - 2.5 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47517~GAS DFM165 3/8" 0.2 - 2.5 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 165mm Length See Options: Alarms / 4-20 mA Our price: UK£68.64 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM165 3/8" 0.6 - 3.6 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47518~GAS DFM165 3/8" 0.6 - 3.6 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 165mm Length See Options: Alarms / 4-20 mA Our price: UK£68.64 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM165 3/8" 0.5 - 9 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47519~GAS DFM165 3/8" 0.5 - 9 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 165mm Length See Options: Alarms / 4-20 mA Our price: UK£68.64 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM170 1/2" 0.4 - 2.8 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47520~GAS DFM170 1/2" 0.4 - 2.8 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 170mm Length See Options: Alarms / 4-20 mA Our price: UK£71.50 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM170 1/2" 0.8 - 6.2 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47521~GAS DFM170 1/2" 0.8 - 6.2 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 170mm Length See Options: Alarms / 4-20 mA Our price: UK£71.50 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM170 1/2" 0.9 - 9.5 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47522~GAS DFM170 1/2" 0.9 - 9.5 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 170mm Length See Options: Alarms / 4-20 mA Our price: UK£71.50 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM170 1/2" 2 - 15 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 57523~GAS DFM170 1/2" 2 - 15 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 170mm Length See Options: Alarms / 4-20 mA Our price: UK£71.50 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM185 3/4" 0.5 - 5 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47524~GAS DFM185 3/4" 0.5 - 5 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 185mm Length See Options: Alarms / 4-20 mA Our price: UK£77.22 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly. See details DFM185 3/4" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 °C) SKU: 47525~GAS DFM185 3/4" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 °C) Plastic Variable Area Meter 185mm Length See Options: Alarms / 4-20 mA Our price: UK£77.22 (excl. VAT) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 If you see this message, your web browser doesn't support JavaScript or JavaScript is disabled. Please enable JavaScript in your browser settings so the online store can function correctly.

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