Gas Turbine Flow Meter

With temperature and pressure compensation
High accuracy 1.0% available
Good choice for custody transfer
Pipe diameter: DN25mm-DN400mm
Wide flow ratio: 40:1
Flash data storage, no data loss while power failure
Specific oil injection structure

Category:

Description

Introduction

QTWG series gas turbine flow meter is a new generation of high-precision and high-reliability gas precision measuring instrument, which is based on the advanced technology of flow meters domestic and abroad. It has excellent low-pressure and high-pressure metering performance, various signal output modes and low sensitivity to fluid disturbance. It is widely used for natural gas, coal-based gas, liquefied gas and other gases application.

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Features

Digital board, strong anti-interference ability

Display support to rotate 350°, easy to read data in different directions

High Accuracy of 1.5% (standard), 1.0% (optional)

Intelligent volumn corrector, automatic T&P compensation

Dual power supply, low consumption <1mW

Mutiple output signal 4-20mA, pulse, RS485 and alarms available

Easy oil filling operation, ensure bearings work smoothly

Applications

Natural Gas Transmision

Urban Gas Industry

Petrochemical Industry

Electric Power Industry

Technical Parameters

Main Technical Parameters
Nominal Diameter DN50-DN400
Nominal Pressure 1.6Mpa/2.5Mpa/4.0Mpa
Range Ratio Max 40:1 (under P=101.325Kpa,T=293.15K)
Accuracy 1.5% (Standard), 1.0 (Optional)
Repeatability Better than 0.2%
Ex proof ExiallCT6Ga
Protection IP65
Shell Material Aluminum Alloy/Carbon Steel
Power Supply 3.6V Lithum Battery Powered
External power DC18-30V
output Signal 4-20mA,Pulse,Alarm
Communication RS485 Modbus RTU
Model Selection
Model QTWG
DN XX XX–Nomianal dia. Such as 100standard DN100
Structure M Compact type
Output I0 I0–Two wire current output
IC IC–IC card quantitative output
QA QA–Flow alarm
R4 R4–RS485
R2 R2–RS232
RM RM–Standard MODBUS communication protocol
RH RH–Standard HART communication protocol
Converter 1 1–Without temperature and pressure compensation
2 2–With temperature and pressure compensation
Power supply 0 0–External power 24-30VDC (two wire)
1 1–External power 24-30VDC (two wire)
2 2–Lithium battery (3.6V)
Working
pressure
P1 0.5MPa
P2 1.0MPa
P3 1.6MPa
P4 2.5MPa
P5 4.0MPa
Ex-proof NE Without Ex-proof
EX With Ex-proof

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