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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)
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)
Sort by:
Recommended
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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 Meter165mm LengthSee Options: Alarms / 4-20 mA$156.99
$188.39 inc VAT -
DFM165 3/8" 0.3 - 2.2 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47517~GAS
DFM165 3/8" 0.3 - 2.2 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
165mm Length
See Options: Alarms / 4-20 mA$156.99
$188.39 inc VAT -
DFM165 3/8" 0.5 - 3.5 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47518~GAS
DFM165 3/8" 0.5 - 3.5 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
165mm Length
See Options: Alarms / 4-20 mA$156.99
$188.39 inc VAT -
DFM200 1" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47529~GAS
DFM200 1" 2 - 14 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
200mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM165 3/8" 1.0 - 8.5 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47519~GAS
DFM165 3/8" 1.0 - 8.5 NM3/Hr (Air 1 Bar Abs 20 C)Plastic Variable Area Meter165mm LengthSee Options: Alarms / 4-20 mA$156.99
$188.39 inc VAT -
DFM170 1/2" 0.4 - 2.4 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47520~GAS
DFM170 1/2"
0.4 - 2.4 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
170mm Length
See Options: Alarms / 4-20 mA$160.40
$192.48 inc VAT -
DFM170 1/2" 0.8 - 6.4 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47521~GAS
DFM170 1/2" 0.8 - 6.4 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
170mm LengthSee Options: Alarms / 4-20 mA$160.40
$192.48 inc VAT -
DFM170 1/2" 1.2 - 10 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47522~GAS
DFM170 1/2" 1.2 - 10 NM3/Hr (Air 1 Bar Abs 20 C)Plastic Variable Area Meter170mm LengthSee Options: Alarms / 4-20 mA$160.40
$192.48 inc VAT -
DFM185 3/4" 2.4 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47526~GAS
DFM185 3/4" 2.4 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
185mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM185 3/4" 0.8 - 5.6 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47524~GAS
DFM185 3/4" 0.8 - 5.6 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
185mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
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$174.05
$208.86 inc VAT -
DFM185 3/4" 4 - 36 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47527~GAS
DFM185 3/4" 4 - 36 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
185mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM200 1" 1.2 - 9 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47528~GAS
DFM200 1" 1.2 - 9 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
200mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM200 1" 4 - 35 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47530~GAS
DFM200 1" 4 - 35 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
200mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM200 1" 6 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 47531~GAS
DFM200 1" 6 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
200mm Length
See Options: Alarms / 4-20 mA$174.05
$208.86 inc VAT -
DFM350 1" 2.5 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46303~GAS
DFM350 1" 2.5 - 20 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA$223.53
$268.23 inc VAT -
DFM350 1" 4 - 32 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46304~GAS
DFM350 1" 4 - 32 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA$223.53
$268.23 inc VAT -
DFM350 1.1/4" 5 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46306~GAS
DFM350 1.1/4" 5 - 50 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA$281.54
$337.85 inc VAT -
DFM350 1.1/4" 10 - 80 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46307~GAS
DFM350 1.1/4" 10 - 80 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA$281.54
$337.85 inc VAT -
DFM350 1.1/2" 7 - 65 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46311~GAS
DFM350 1.1/2" 7 - 65 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA$313.96
$376.76 inc VAT