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Flow Meters and Flow Measurement Solutions from Industrial Water Equipment Ltd

You are here : Home> Flow Meters > Metal Variable Area Flow Meters > GMT Metal Tube Flow Indicator with Alarms Water

Metal Variable Area Flow Meters - GMT Metal Tube Flow Indicator with Alarms Water

Metal Variable Area Flowmeters GMT Metal Tube Flow Indicator with Alarms - GasPlaton GMT metal tube flowmeters are magnetically coupled VA meters for gasses. Requiring no external power they are robustly constructed for heavy duty, with flanged connections on 1⁄2" to 4" line sizes, and screwed BSP connections on 1⁄2", 1" & 2" units. Within the tapered flow tube, fluid flow lifts the metering element, which contains a magnet. The external pointer follows the magnetic field and indicates flow against a clear 150th scale. Standard units are calibrated for air or water, but scales can be produced to suit other fluids and process conditions.
The GMTA and GMTAA are Dual and Dual channel alarmed versions of the standard GMT, fitted with easily adjusted setpoints and indicators. Alarm transmission is provided by NAMUR type proximity sensors, which are approved for use in hazardous areas. Interface modules are available to provide relay outputs, and galvanic isolation for intrinsically safe applications.

For other gases, and for flow measurement at different temperatures and pressures, call Sales who will arrange a custom scale to your requirements. You will need to quote your fluid type, SG, viscosity, pressure, temperature and the units preferred.

*Gas ranges marked with an asterisk are Low Pressure Drop units, designed for applications such as Digester and Biological gas flows, or anywhere where pressure drop is critical.

  • Sizing Chart
    Material
    Range
    Connections
    Alarms
    Code
    Price
    -
    Brass
    20-160 L/hr
    1/2" BSP screwed
    Single alarm
    GMTBA151L
    -
    POA
    Brass
    20-250 L/hr
    1/2" BSP screwed
    Single alarm
    GMTBA152L
    -
    POA
    Brass
    40-400 L/hr
    1/2" BSP screwed
    Single alarm
    GMTBA153L
    -
    POA
    Brass
    60-600 L/hr
    1/2" BSP screwed
    Single alarm
    GMTBA154L
    -
    POA
    Stainless Steel
    20-160 L/hr
    1/2" BSP screwed
    Single alarm
    GMTSA151L
    -
    POA
    Stainless Steel
    20-250 L/hr
    1/2" BSP screwed
    Single alarm
    GMTSA152L
    -
    POA
    Stainless Steel
    40-400 L/hr
    1/2" BSP screwed
    Single alarm
    GMTSA153L
    -
    POA
    Stainless Steel
    60-600 L/hr
    1/2" BSP screwed
    Single alarm
    GMTSA154L
    -
    POA
    Stainless Steel
    20-160 L/hr
    DN15 PN16 flanged
    Single alarm
    GMTA111L
    -
    POA
    Stainless Steel
    20-250 L/hr
    DN15 PN16 flanged
    Single alarm
    GMTA112L
    -
    POA
    Stainless Steel
    40-400 L/hr
    DN15 PN16 flanged
    Single alarm
    GMTA113L
    -
    POA
    Stainless Steel
    60-600 L/hr
    DN15 PN16 flanged
    Single alarm
    GMTA114L
    -
    POA
    Brass
    0.1-1.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTBA251L
    -
    POA
    Brass
    0.2-1.6 m3/hr
    1" BSP screwed
    Single alarm
    GMTBA252L
    -
    POA
    Brass
    0.2-2.5 m3/hr
    1" BSP screwed
    Single alarm
    GMTBA253L
    -
    POA
    Brass
    0.4-4.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTBA254L
    -
    POA
    Brass
    0.6-6.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTBA255L
    -
    POA
    Stainless Steel
    0.1-1.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTSA251L
    -
    POA
    Stainless Steel
    0.2-1.6 m3/hr
    1" BSP screwed
    Single alarm
    GMTSA252L
    -
    POA
    Stainless Steel
    0.2-2.5 m3/hr
    1" BSP screwed
    Single alarm
    GMTSA253L
    -
    POA
    Stainless Steel
    0.4-4.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTSA254L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    1" BSP screwed
    Single alarm
    GMTSA255L
    -
    POA
    Stainless Steel
    0.1-1.0 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA211L
    -
    POA
    Stainless Steel
    0.2-1.6 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA212L
    -
    POA
    Stainless Steel
    0.2-2.5 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA213L
    -
    POA
    Stainless Steel
    0.4-4.0 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA214L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA215L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    DN25 PN16 flanged
    Single alarm
    GMTA216L
    -
    POA
    Brass
    0.6-6.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTBA351L
    -
    POA
    Brass
    1.0-10.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTBA352L
    -
    POA
    Brass
    2.0-16.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTBA353L
    -
    POA
    Brass
    2.0-25.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTBA354L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTSA351L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTSA352L
    -
    POA
    Stainless Steel
    2.0-16.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTSA353L
    -
    POA
    Stainless Steel
    2.0-25.0 m3/hr
    2" BSP screwed
    Single alarm
    GMTSA354L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    DN50 PN16 flanged
    Single alarm
    GMTA311L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    DN50 PN16 flanged
    Single alarm
    GMTA312L
    -
    POA
    Stainless Steel
    2.0-16.0 m3/hr
    DN50 PN16 flanged
    Single alarm
    GMTA313L
    -
    POA
    Stainless Steel
    2.0-25.0 m3/hr
    DN50 PN16 flanged
    Single alarm
    GMTA314L
    -
    POA
    Brass
    20-160 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTBAA151L
    -
    POA
    Brass
    20-250 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTBAA152L
    -
    POA
    Brass
    40-400 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTBAA153L
    -
    POA
    Brass
    60-600 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTBAA154L
    -
    POA
    Stainless Steel
    20-160 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTSAA151L
    -
    POA
    Stainless Steel
    20-250 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTSAA152L
    -
    POA
    Stainless Steel
    40-400 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTSAA153L
    -
    POA
    Stainless Steel
    60-600 L/hr
    1/2" BSP screwed
    Dual alarm
    GMTSAA154L
    -
    POA
    Stainless Steel
    20-160 L/hr
    DN15 PN16 flanged
    Dual alarm
    GMTAA111L
    -
    POA
    Stainless Steel
    20-250 L/hr
    DN15 PN16 flanged
    Dual alarm
    GMTAA112L
    -
    POA
    Stainless Steel
    40-400 L/hr
    DN15 PN16 flanged
    Dual alarm
    GMTAA113L
    -
    POA
    Stainless Steel
    60-600 L/hr
    DN15 PN16 flanged
    Dual alarm
    GMTAA114L
    -
    POA
    Brass
    0.1-1.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTBAA251L
    -
    POA
    Brass
    0.2-1.6 m3/hr
    1" BSP screwed
    Dual alarm
    GMTBAA252L
    -
    POA
    Brass
    0.2-2.5 m3/hr
    1" BSP screwed
    Dual alarm
    GMTBAA253L
    -
    POA
    Brass
    0.4-4.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTBAA254L
    -
    POA
    Brass
    0.6-6.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTBAA255L
    -
    POA
    Stainless Steel
    0.1-1.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTSAA251L
    -
    POA
    Stainless Steel
    0.2-1.6 m3/hr
    1" BSP screwed
    Dual alarm
    GMTSAA252L
    -
    POA
    Stainless Steel
    0.2-2.5 m3/hr
    1" BSP screwed
    Dual alarm
    GMTSAA253L
    -
    POA
    Stainless Steel
    0.4-4.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTSAA254L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    1" BSP screwed
    Dual alarm
    GMTSAA255L
    -
    POA
    Stainless Steel
    0.1-1.0 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA211L
    -
    POA
    Stainless Steel
    0.2-1.6 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA212L
    -
    POA
    Stainless Steel
    0.2-2.5 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA213L
    -
    POA
    Stainless Steel
    0.4-4.0 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA214L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA215L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    DN25 PN16 flanged
    Dual alarm
    GMTAA216L
    -
    POA
    Brass
    0.6-6.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTBAA351L
    -
    POA
    Brass
    1.0-10.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTBAA352L
    -
    POA
    Brass
    2.0-16.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTBAA353L
    -
    POA
    Brass
    2.0-25.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTBAA354L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTSAA351L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTSAA352L
    -
    POA
    Stainless Steel
    2.0-16.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTSAA353L
    -
    POA
    Stainless Steel
    2.0-25.0 m3/hr
    2" BSP screwed
    Dual alarm
    GMTSAA354L
    -
    POA
    Stainless Steel
    0.6-6.0 m3/hr
    DN50 PN16 flanged
    Dual alarm
    GMTAA311L
    -
    POA
    Stainless Steel
    1.0-10.0 m3/hr
    DN50 PN16 flanged
    Dual alarm
    GMTAA312L
    -
    POA
    Stainless Steel
    2.0-16.0 m3/hr
    DN50 PN16 flanged
    Dual alarm
    GMTAA313L
    -
    POA
    Stainless Steel
    2.0-25.0 m3/hr
    DN50 PN16 flanged
    Dual alarm
    GMTAA314L
    -
    POA

 

Specification Chart
Flow Rate 5-16667 L/min
Operating Pressure 100 BarG for Stainless Steel, 75 BarG for Brass (or as flange rating)
Operating Temperature 200 ºC (or 50 ºC for low pressure drop models)
Accuracy ±2% FSD
Wetted Materials Stainless Steel or Brass
Float Material Stainless steel, or PVC on Low pressure drop units
Guides Stainless steel
Connections Flanges DIN PN16 or Screwed BSP female
Overall Length 250mm for 1/2" to 2" units
Flow Range 10:1 typical, see tables
Protection IP65
Flow Scale 100mm long, 150th typical
Standard Conditions 1.013bar & 20ºC (ATP)1
Installation Vertical with flow upward
Sensor Type DIN 19 234 (NAMUR)
Approval Code EEx ia IIC T6
Sensor Connection IP65 DIN connector/s
Power Supply 115/230VAC or 24VDC models
Output SPCO Relay, 2A @ 250VAC or 40VDC
Approval Code [EEx ia]
Housing 35mm DIN rail or screw fixing, IP20
back

Industrial Water Equipment Ltd
4 Causeway Lane, Matlock
Derbyshire, DE4 3AR
TEL: +44 (0)1629 55839
FAX: +44 (0)1629 501055

2nd Floor, 13 Upper Baggot Street, Dublin 4, Ireland
TEL: + 00 353 14428670

info@industrialwaterequipment.co.uk

24Hr Helpline - Emergency
Number : 07775 661688

 

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