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

ConesWater (20℃ L/h)Air (20℃ 101325Pa L/h)Maximum Pressure Loss (kPa)
K015〜501.2
K020.3 310 〜1001.4
K030.5 515 〜1501.5
K0411040〜4001.8
K052.5 〜2580〜8003.5
K06440125 〜12506.5
K07660200200013.0
K088〜80250〜250023.5
K0910 〜100340 〜340040.0

Materials of main parts

PartsStandardSpecial
Seating304316L or on request
Cone and Flout304316L or on request
Indicator HousingAluminum Casting

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