LZZW Series Miniature Metal Tube Variable Area Rotameter

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The flowmeter operates on the flout measuring principle. The measuring section consists of a metal cone in which a flout can move freely up and down. The mudium flows through the flowmeter from bottom to top.

The variable area flowmeters are suitable for measuring gases, vapors and liquids with specialty of solid, steady and reliable. The flowmeter are available as inlet or outlet pressure regulator. It also select install 1 or 2 limit switches.

Technical data

Measuring Ranges  Water (20℃) 0.3~ 100 L/h
 Air (20℃ 101325Pa) 5~3400 L/h
Measuring Span  10:1
Accuracy  4.0
Maximum Pressure  2.5 MPa
Medium Temperature  -80~+150℃
Ambient Temperature  -25~ +65℃
Connection Type  1/4″NPTF
Limit Switch  1 or 2
Protection Category  IP67

 

■Flow Table

Cones Water (20℃ L/h) Air (20℃ 101325Pa L/h) Maximum Pressure Loss (kPa)
K01 5〜50 1.2
K02 0.3 3 10 〜100 1.4
K03 0.5 5 15 〜150 1.5
K04 110 40〜400 1.8
K05 2.5 〜25 80〜800 3.5
K06 440 125 〜1250 6.5
K07 660 2002000 13.0
K08 8〜80 250〜2500 23.5
K09 10 〜100 340 〜3400 40.0

Materials of main parts

Parts Standard Special
Seating 304 316L or on request
Cone and Flout 304 316L or on request
Indicator Housing Aluminum Casting

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