LWQ-Gas Turbine Flow Meter
Product Description
Gas Turbine Flow Meter
Gas flows through the turbine housing causing an internal rotor to spin. As the rotor spins, an electrical signal is generated in the pickup coil. This signal is converted into engineering units (liters, cubic meters, gallons etc.) on the local display where is applicable. Optional accessory modules can be used to export the signal to other equipment.
Upon receipt, examine your meter for visible damage. The turbine is a precision measuring instrument and should be handled carefully. Remove the protective plugs and caps for a thorough inspection. If any items are damaged or missing, contact us.
Make sure the turbine flow model meets your specific needs. For your future reference, it might be useful to record this information on nameplate in the manual in case it becomes unreadable on the turbine. Refer to the nameplate for your customized product's specification.
LWQ-Gas Turbine Flow Meter
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.
DESCRIPTION
The Gas turbine flow meter in the secies LWQ are specially designed for use in natural gas. compressed, air and other fluid measurement.And the volume and mass flow rate are available.
-DN25-DN400
-Temp.& Press, compensation
-Communication: RS485
-Connection: Thread / Flange
-Ten units are optional
APPLICATION
• Natural gas transmission and distribution network
• Petrochemical industry
• Urban gas industry
• Electric power industry
• Gas skids
• LNG gas station
Technical Data
TECHNICAL DATA
Output Pulse | Pulse |
4～20mA | |
Accuracy | ±1.0%ofRate |
Operating Temperature | -20...+60°C |
Fluid Temperature | -20...+80°C |
Body Material Cast Aluminium | SS 304 (D4:DN50-DN200) |
Rotor Material | Aluminum alloy |
Bearing Material | SS304 |
Model Selection
MODEL SELECTION
Model | Suffix Code | Description | |||||||
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… | ||||||||