Rotameter

Rotameter measures fluid flow based on the throttling principle. It changes the flow area of the fluid to keep the differential pressure above and below the rotor constant, so it is also called a variable flow area constant differential pressure flow meter, also known as a float flow meter.

Product Details

Product Details

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Product Details

Main Features

It has the characteristics of simple structure, intuitive, small pressure loss, and easy maintenance. The Rotameter is suitable for measuring small flows through pipes with a diameter of D<150mm, and can also measure the flow of corrosive media.

Main Specifications

  • • Working Pressure:≤ 0.6MPa
  • • Operating Temperature:0~60℃
  • • Accuracy:±4%
  • • Body Material: Acrylic
  • • Fitting Material :ABS or SS
  • • Float Material: SS
  • • O-ring Material: Silicon rubber
  • • The fixed screw of center distance F is M6×11.
  • • Customized specifications are available
  • • When the flow meter is equipped with external threads, the total length is A, When the flow meter is equipped with internal threads, the total length is B.

Installation Method

RotaMeter has a simple structure and is generally installed vertically on a panel or a vertical pipe section. It is suitable for measuring the flow of low-velocity and low-flow media, but cannot measure media with more impurities. The fluid medium passes through the rotor flow meter from bottom to top.

1.Panel mounted Rotameter:

The LZM series Panel Rotameter is generally installed on the control panel, with both the inlet and outlet located at the back. Therefore, before installation, the inlet and outlet connection ports and the instrument fixing screw holes need to be in an open state.

Rotameter Rotameter

 

1.1 Material:

Body

Fitting

Adjust Valve

O-ring

 

√ Acrylic

 

√ 1 .ABS     4. PA

2. PP      5. Brass(chrome plate) 

3. PVC     6. SS

√ 1.SS

1. Acrylic

2. PTFE

√  1.Silicon rubber

 2.Fluororubber

3.EPDM

Note:

Mark with √, the material of the Flow Meter is the General Configuration.

1.2 Technical Parameters:

Model

Range

Nm³/h(Gas)

Screw Thread

Accuracy

Size(mm)

GPM(Liquid)

(Gallon/Min)

LPM(Liquid)

(L/Min)

A

B

C

D

E

F

G

Hole size

LZM-15

0.05~0.5

0.1~1

0.2~2

0.3~3

0.5~5

0.2~2

0.5~4

1~7

1~11

2~18

10~100LPH

16~160LPH

25~250LPH

0.1~1

0.2~2

0.5~3

0.6~6

1.2~12

1.6~16

2.5~25

1~10

(Male)

1/2"BSPT

(Female)

1/4"BSPT

±4%

176

32

168

35

19

76

127

26

LZM-25

1~10

2~15

2~20

3~30

5~35

5~40

5~40

10~50

10~70

10~110

20~140

10~150

6~60m³/h

16~160m³m/h

25~250Nm³/h

(Male)

1"BSPT

234

45

226

46

27

100

160

38

LZM-50

5~45

10~50

10~60

20~80

25~100

30~150

10~170

50~190

20~220

90~300

100~350

100~500

 

(Male)

2"BSPT

296

70

281

82.5

41

100

190

64

2.Pipeline Installation Rotameter:

The LZM-G Pipeline series Rotameter can be directly connected in a pipeline, with the inlet and outlet located at the upper and lower ends of the flow meter. The shape can be circular, square, or other polygonal forms (generally, the most commonly used is circular). The connection thread can be either external or internal, and the specifications and materials of the threads can be customized according to requirements.

Rotameter Rotameter

Internal Thread

Appearance Diagram

External Thread

Appearance Diagram

 

2.1 Material:

Body

Fitting

Float

O-ring

√ 1. PC

2.PSU

3. AS

√ 1 .ABS  4. Brass

2. PP   5. Brass(chrome plate)

3. PVC  6. SS

√ 1.SS

√  1.Silicon rubber

2.Fluororubber

3.EPDM

Note:

Mark with √, the material of the Flow Meter is the General Configuration.

2.2 Technical Parameters:

Model

Range

Nm³/h(Gas)

Screw Thread

Accuracy

Size(mm)

GPM(Liquid)

(Gallon/Min)

LPM(Liquid)

(L/Min)

A

B

C

D

LZM-15G

0.05~0.5

0.1~1

0.15~1.5

0.2~2

0.25~2.5

0.3~3

0.5~5

0.18~1.8

0.4~4

0.5~5.5

1~7

1~9

1~11

1.8~18

0.8~8

1~10

1.2~12

1.6~16

2.5~25

6~60LPM

(External)

G1/2"

1/2"BSP

(Internal)

G1/2"

1/2"BSP

±4%

235

233

180

32

LZM-20G

1~10

1.5~15

2~20

3~30

5~35

4~40

4~40

5~55

10~70

10~110

20~140

15~150

4~40

6~60

(External)

G1/¼"

1//¼"BSP

(Internal)

G3/4"

3/4"BSP

330

283

236

45

LZM-25G

1~10

2~20

3~30

5~35

4~40

5~50

6~60

4~40

10~70

10~110

20~140

15~150

25~190

30~225

15~140

16~160

25~250

40~400

(External)

G1/½"

1//½"BSP

(Internal)

G1"

1"BSP

319

297

235

51

LZM-40G

4~40

6~60

20~80

15~100

 

15~150

22~220

30~300

50~400

 

(Internal)

G1/½"

1/½"BSP

340

302

240

65

LZM-50G

20~80

20~100

20~120

40~150

60~200

100~300

100~350

100~450

150~550

150~750

100~500

100~600

300~900

(External)

G2"

2"BSP

(Internal)

G2"

2"BSP

400

367

294

75

3. Rotameter Pictures:

Rotameter Rotameter Rotameter

4.Rotameter Application:

Due to various excellent performance and reliability,the Rotameters are widely used in chemical, pharmaceutical, paper making, water treatment, RO water purify equipment etc.

Rotameter Rotameter

 

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FAQS

Frequently Asked Questions (FAQ) About Rotameter

What is the use of 2W series solenoid valve?

Down Down

Used to control fluid on-off and other operations.

How to install 2W series solenoid valve?

Down Down

Install and wire at appropriate location according to instructions.

How to use 2W solenoid valve correctly?

Down Down

The flow of electricity is controlled according to the process.

What is the cause of the 2W solenoid valve failure?

Down Down

The coil is damaged or the valve core is blocked, etc.
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