Gas Turbine Flow Meter – Vetrix GT Series

Features

  • DN25-DN400
  • Temperature & Pressure compensation
  • Communication: RS485
  • Connection: Thread / Flange
  • Ten units are optional
  • Accuracy: ±1.0%; ± 1.5%
  • Operating Temp. : -20 – +60oC
  • Fluid Temperature : -20 – +80oC
  • Body material: SS304; SS316; cast aluminum
  • Signal output: 4-20mA, Pulse
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The Gas turbine flow meter in the GT series are specially designed for use in natural gas. compressed, air and other fluid measurement. The volume and mass flow rate are available.

Operating Principle

The operation of the International Gas Turbine Meter is based on the measurement of the velocity of gas. The flowing gas is accelerated and conditioned by the meters straightening section. The straightening vanes prepare the gas flow profile by removing undesired swirl, turbulence and asymmetry before the gas flows lo (he turbine wheel. The dynamic forces of the flowing fluid cause the rotor to rotate. The turbine wheel is mounted on the main shaft, with special high precision, low friction ball bearings. The turbine wheel has helical blades that have a known angle relative to the gas flow. The conditioned and accelerated gas drives the turbine wheel with an angular velocity that is proportional with the gas velocity.

Applications

  • Natural gas transmission and distribution network
  • Petrochemical industry
  • Urban gas industry
  • Electric power industry
  • Gas skids
  • LNG gas station

Specification

Output Pulse Pulse
(Depending on Converter Model) 4～20mA
Accuracy ±1.0%ofRate
±1.5% of Rate
Operating Temperature -20…+60°C
Fluid Temperature -20…+80°C
Body Material Cast Aluminium SS 304
SS 316
Body Material Cast Aluminium Cast Steel
(D4:DN50-DN200)
Rotor Material Aluminum alloy
Plastic ABS
Bearing Material SS304

Ordering Information

Model Suffix Code Description
GT- 1 2 3 4 5 6 7 8 9 Gas Turbine Flow Meter
Diameter XXX Stand for diameter
020: DN20: DN050: DN50
100: DN100: 400: DN400
Converter Type N 24V DC; Pulse output; No display
A 24V DC; 4-20 mA output; No display; Ex
E1 Battery power supply; No output; Ex; Digital display
E2 24V DC; 2-wire 4-20mA output; Ex; Digital display
E3 24V DC; Pulse output; Local display; Ex; display
E4 24V DC; 0-20mA output; Local display; EX;Digital display
E5 24V DC; 3-wire 4-20mA / Pulse output; EX; Digital display
FE Fluidwell E series converter
FF Fluidwell F series converter
D1 24V DC; 2-wire 4-20mA output; Digital display; Temperature & Pressure Compensation
D2 24V DC; 3-wire 4-20mA output; Digital display; Temperature & Pressure Compensation
D4 24V DC; 4-20mA output; Modbus RS485; Digital display; Temperature & Pressure Compensation
Notice: 1)Modbus RS485 is optional for E2,E3,E4,E5,D1,D2,D4
2)Battery Power(24V DC+Battery) is optional for E2,E3,E4,E5,D1,D2,D4
3)D4 is only cast steel available
Accuracy 10 ±1.0% of Rate
15 ±1.5% of Rate
Flow Range S Standard Range
E Extended Range
Body Material S4 SS304
S6 SS316
CA Cast Aluminum
CS Cast Steel (Only for D4 Type)
Rotor Material AB ABS Plastic
AA Aluminum Alloy
Explosion Proof BT Exd II BT6
CT Exd II CT4
NA No explosion proof
Connection THM Male thread; Available from DN4 … DN50
THF Female thread; Available from DN4 … DN50
DXX D16: DIN PN16 flange; D25: DIN PN25…
AXX A15: ANSI 150#    flange; A30: ANSI 300#…
JXX J10: JIS 10K flange; J20: JIS 20K…

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Vetrix GT Series – Gas Turbine Flow Meter-DpstarGroup

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