The variable Area Flow meter is an instrument for measuring the flow of liquids or gases in pipelines. It includes a vertical tube through which the fluid flows whose diameter increases from the bottom to the top and a float which can move vertically in the tube. As the flow increases this float moves to a higher position until its resistance to the fluid flow is balanced by th?float's buoyed weight in the fluid, a value which is constant and independent of the flow rate. The position of the iloat is a measure of the flow rale. The flow rate values can be read on a scale.
CONTACT USFEATURES:
-Mechanical display and LCD display
-Robust and universal
-The short-stroke design allows the measurement of high flow
rate using a relative short metering tube
-Special application is for hazardous, dangerous or aggressive
fluid, for high temperature and high pressure rates
-All stainless steel design provides a safe measurement of a
variety of liquids, gases and sleam- The measuring section
can be equipped with a heating jacket
-Standard rotameter is mounted in a vertical pipeline with flow
direction upwards
-Application range: Gas; Liquid; Steam
-Turndown ratio: 10:1
-Accuracy: ±1.0%; ±1.5%
-Connection: Thread; Tri-clamp; Wafer; Flange
-Signal output: 4-20mA, Pulse and Modbus RS485
TECHNICAL DATA
Application | (1)Gas;(2)Liquid;(3)Steam |
Turndown Ratio | 10:1 |
Accuracy(Refer to the accuracy on the nameplate) | ±1.0% & ±1.5% &± 2.5% |
Temperature | |
Max. Process Temperature | T1 level:150℃ |
T2 level:300℃ | |
T3 level:350℃ | |
Pressure | |
Nominal Operating Pressure | DN15{aspcms:sitetitle}.DN50:4.0Mpa |
DN65{aspcms:sitetitle}.DN200:1.6Mpa | |
Max. Pressure Rating | DN15:32Mpa; DN25:25Mpa;DN50:20Mpa |
DN80:10Mpa;DN100:6.4Mpa | |
DN125{aspcms:sitetitle}.DN150:4.0Mpa | |
ORDER SELECTION
Model | HY250 | Description | |||||||||
Diameter | XXX | 015: DN15 100: DN100 200: DN200 | |||||||||
Power Supply | N | Mechanical Display; No output | |||||||||
A1 | Mechanical Display; 0-1000Hz Output | ||||||||||
A2 | Mechanical Display; 4-20mA Output; 24V DC | ||||||||||
B | LCD Display; No Output; Battery | ||||||||||
C | LCD Display; Pulse Output; 24V DC | ||||||||||
D | LCD Display; 4-20mA + Pulse Output; 24V DC power supply | ||||||||||
Notice | RS485 and Hart are optional for C and D converter | ||||||||||
Reset Function | Y | Yes | |||||||||
N | No | ||||||||||
Flow Range | XX | Refer to the Range Table | |||||||||
Fluid | L | Liquid | |||||||||
G | Gas | ||||||||||
Material | S4 | Body and Float: SS304 | |||||||||
S6 | Body and Float: SS316 | ||||||||||
SF | Body: SS304; Float: PTFE | ||||||||||
XX | On request | ||||||||||
Installation Way | H | Horizontal Installation | |||||||||
V | Vertical Installation | ||||||||||
Structure | 1 | Standard Structure | |||||||||
2 | Heat Insulation | ||||||||||
3 | Damper for gas measurement | ||||||||||
4 | High Temperature | ||||||||||
5 | High Pressure | ||||||||||
Explosion Proof | NA | Safety Field without Ex-Proof | |||||||||
BT | Exd II BT4 | ||||||||||
CT | Exib II CT4 | ||||||||||
Connection | 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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