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月恒儀器儀表

Yueheng Instrument & Apparatus

PRODUCTS

Yueheng Instrument & Apparatus

PRODUCTS

○  Metal tube float flowmeter

○  Micro metal tube float flowmeter

○  All stainless steel metal tube float flowmeter

○  Magnetic filter

○  Imported series glass rotameter

○  Domestic series glass rotameter

○  Plastic rotameter

○  Panel flowmeter

○  Pipeline flowmeter

LZB - * (F) glass rotameter

LZB-6 LZB-6 LZB-6
LZB-10 LZB-10 LZB-10
LZB-4(6 、10)F LZB-4(6 、10)F LZB-4(6 、10)F
Glass rotameter LZB-D (DN15) Glass rotameter LZB-D (DN25) Glass rotameter LZB-D (DN25)

LZB series glass rotameter is widely used in chemical, petroleum, light industry, medicine, environmental protection, food, measurement and testing, scientific research and other departments to measure the flow of single-phase non-pulsating flow, body (liquid or gas).
LZB/() F series corrosion-resistant glass rotameter has strong corrosion resistance, can detect the flow of acid (except hydrofluoric acid), alkali, oxidant and other corrosive gases or liquids, and is applicable to chemical, pharmaceutical, papermaking, sewage treatment and other industries.

Technical indicators

◆ Diameter: DN4~10, DN15~100
◆ Measuring range: water, 20 ℃, 10L/h~40m3/h
Gas, 20 ℃, 101325Pa, 16L/h~100m3/h
◆ Range ratio: generally 10:1, special 5:1
◆ Measured fluid
Pressure: DN4~DN10 ≤ 1.0MPa
DN15~DN50       ≤0.6MPa
DN80~DN100       ≤0.4MPa
Temperature: - 20~100 ℃
◆ Connection mode: DN4~DN10 hose connection, threaded connection DN15~DN100 flange connection

Flow range

Drift diameter(mm)

Model

Range ratio

measuring range

Vertebral canal length(mm)

Accuracy level

Allowable measured flow condition

Water，20℃

Air，20℃

1.01325×l05Pa

LZB/LZJ

LZB-()F

LZJ()F

temperature(℃)

pressure(MPa)

4

LZB-4

LZB-4F

10:1

1～10L/h

1.6～16L/h

2.5～25L/h

16～160L/h

25～250L/h

40～400L/h

 

100

4

2.5

2.5:4

-20-120

≤1

6

LZJ-6

LZJ-6F

2.5～25L/h

4～40L/h

6～60L/h

 

40～400L/h

60～600L/h

100～1000L/h

 

2.5

2.5:4

10

LZJ-10

LZJ-10F

6～60L/h

10～100L/h

16～160L/h

 

100～1000L/h

160～1600L/h

250～2500L/h

160

2.5

≤0.6

15

LZB-15

LZB-15F

16～160L/h

25～250L/h

40～400L/h

 

0.25～2.5m3/h

0.4～4m3/h

0.6～6m3/h

350

25

LZB-25

LZB-25F

40～400L/h

60～600L/h

100～1000L/h

 

1～10m3/h

1.6～16m3/h

2.5～25m3/h

1.5

1.5

2.5

40

LZB-40

LZB-40F

160～1600L/h

250～2500L/h

4～40m3/h

6～60m3/h

430

50

LZB-50

LZB-50F

0.4～4m3/h

0.6～6m3/h

10～100m3/h

16～160m3/h

450

80

LZB-80

LZB-80F

10:1

5:1

1～10m3/h

1.6～16m3/h

50～250m3/h

80～400m3/h

500

≤0.4

100

LZB-100

LZB-100

5:1

5～25m3/h

8～40m3/h

120～600m3/h

200～1000m3/h

Pressure note: the measuring range of liquid flow can be extended to 90m according to user needs ³/ h。


Overall dimension

Installation dimension


Nominal diameter
DN

Model

Size(mm) 

Connection mode

A

B

C

D

E

M

N

4

LZB-4

36

171

119

43.5

 

145

Ф14

Hose

6

LZB-6

10

LZB-10

43

244

178

208

Ф16.5

15

LZB-15

Ф95

470

Ф65

Ф15

4-Ф14

 

 

flange

25

LZB-25

Ф115

Ф85

Ф25

40

LZB-40

Ф145

570

Ф110

Ф40

4-Ф8

50

LZB-50

Ф160

Ф125

Ф50

80

LZB-80

Ф185

660

Ф150

Ф80

100

LZB-100

Ф205

Ф170

Ф100
 

Note: The appearance and installation connection dimensions of DN4-100 corrosion resistant flowmeter are the same as above.

LZB-WB LZB-WBF

Summary

LZB - WB LZB - WBF is a small flow glass rotameter.


Technical indicators

◆ Diameter: DN3~DN10
◆ Measuring range: water, 20 ℃, 2.5mL/min~1.6L/min
Gas, 20 ℃, 101325Pa, 0.03L/min~70L/min
◆ Range ratio: 10:1
◆ Accuracy level: DN3 level 4 level 6;
DN4 Grade 2.5 Grade 4;
DN6~10 Grade 1.5 Grade 2.5
◆ Measured fluid:
Pressure: ≤ 0.2MPa
Temperature: - 20~100 ℃
◆ Connection mode: hose connection, threaded connection

 


Flow range
Drift diameter
(mm)		 Model Range ratio measuring range Accuracy level Vertebral canal length(mm) Allowable measured flow condition
Water，20℃ Air，20℃1.01325Pa temperature
(℃)		 pressure
(MPa)
3 LZB-3W
LZB-3WF
LZB-3WB
LZB-3WBF		   2.5~25mL/min
6~60mL/min
10~100mL/min		 0.03~0.3L/min
0.06~0.6L/min
0.1~1L/min
0.15~1.5L/min		 4
6		 100 -20-120 ≤0.2
4 LZB-4W
LZB-4WF
LZB-4WB
LZB-4WBF		 16~160mL/min
25~250mL/min
40~400mL/min		 0.3~3L/min
0.6~6L/min
0.7~7L/min		 2.5
4
6 LZB-6W
LZB-6WF
LZB-6WB
LZB-6WBF		 0.04~0.4L/min
0.06~0.6L/min
0.1~1L/min		 0.7~7L/min
1~10L/min
1.5~15L/min		 1.5
2.5
10 LZB-10W
LZB-10WF
LZB-10WB
LZB-10WBF		 0.1~1L/min
0.16~1.6L/min		 3~30L/min
5~45L/min
7~70L/min		 120
 

Note: There are two types of flow meters: with regulating valve (WB type) and without regulating valve (W type). LZB-WF and LZB-WBF are corrosion resistant.


Overall dimension

Outline and installation dimensions


Nominal diameter
DNmm		 Model A B C D M E N Equipment mounting hole
Hose connection Metal pipe nozzle
External thread G SR
3 LZB-3W
LZB-3WB		 LZB-3WF
LZB-3WBF		 28 136 56 27.5 116 ＜52 Ф8 M10×1 Ф6.2 SR4 Ф11
4 LZB-4W
LZB-4WB		 LZB-4WF
LZB-4WBF
6 LZB-6W
LZB-6WB		 LZB-6WF
LZB-6WBF		 58 29.5 ＜60 Ф10 M12×1 Ф8.2 SR5
10 LZB-10W
LZB-10WB		 LZB-10WF
LZB-10WBF		   160 63 140 Ф11 M16×15 Ф1.21 SR7
 

Material of components in contact with measuring fluid
spare parts  
LZB-4、6、10
LZB-()WB		 LZB-4F、6F、10F
LZB-()WBF		 LZB-15、25、40、
50、80、100		 LZB-15F、25F、40F、
50F、80F、100F
Float stainless steel agate stainless steel Wrapped with fluoroplastics
Base Brass or aluminum stainless steel Cast iron lining
Polypropylene plastic		 Cast iron lining
Fluoroplastics
Stop Polypropylene plastic Fluoroplastics Polypropylene plastic Fluoroplastics
Sealing ring and gasket Nitrile rubber Viton Nitrile rubber Fluoroplastics
Guide rod

 

 

 1Cr18Ni9Ti
stainless steel		 Viton

Note: If the medium is mail solvent, please indicate when ordering.

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