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Gas Flow Meters
DFM Variable Area Gas Flow Meters
DFM350 2" 20 - 180 NM3/Hr (Air 1 Bar Abs 20 C)
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DFM350 2" 20 - 180 NM3/Hr (Air 1 Bar Abs 20 C)
SKU: 46317~GAS
DFM350 2" 20 - 180 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
See Options: Alarms / 4-20 mA
Connections
BSP Threaded ~ Standard
PVC Solvent Weld :: zero cost adder
Alarm Output
No Alarm ~ Standard
Single Bi-Stable Output (+£152.63)
4-20mA Output
No Output ~ Standard
4-20mA Output (ATEX) (+£268.13)
Special Scale
Standard
Alternative Scale eg, Gal/hr, m3/day + (+£20.63)
£332.75
£399.30 inc VAT
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Description
SKU
46317~GAS
DFM350 2" 20 - 180 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
Accurracy +/- 2.5% full Scale
Installation: Vertical- flow upwards
Max Temp/Pressure see sheet
See Options: Alarms / 4-20 mA
Specification
DFM350 2" 20 - 180 NM3/Hr (Air 1 Bar Abs 20 C)
Plastic Variable Area Meter
350mm Length
Accurracy +/- 2.5% full Scale
Installation: Vertical- flow upwards
Max Temp/Pressure see sheet
See Options: Alarms / 4-20 mA
Materials
Tube Material: Polyamide, PVC, Polysulphon
End Fittings: Rigid PVC socket connections for adhesive pipe coupling. BSP threads available.
Special stainless steel inserts available.
Cast iron end caps for higher temperature
Float: 6 different overall lengths from 165-350mm
Float Stops: PVDF
0-Rings: Standard EPDM, Special Viton, etc.
Installation and use:
Pipework
Usually supplied with with BSP or socket connections for imperial pipework. Metric socket fittings available at no extra cost.
Installation
Vertical - flow upwards. For best results ensure pipework vertical to within 2/3°.
Valves
For liquids may be installed upstream or downstream. For gases install valves downstream only.
Optional accessories
Up to three bi-stable or mono-stable switches, comprising volt free contacts to handle 240V 5 amp max current.
A 4-20mA transmitter is also available. The unit is ATEX EExi Certified as standard.
Downloads
DFM VA Meters NEW.pdf
(1.2 MB)