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Glass Tube Flowmeter
Product Model:R/G/F10、20、30

Summary:
G/R/F10, 20, 30 glass tube flowmeter has three types of connection,they are threaded type(G10, 20, 30 types),hose type(R10, 20,30 types),flange type(F10,20,30 types).It's divided into conventional type (Measuring general noncorrosive fluid) and corrosion resistant type(Measuring corrosive fluid.).The meter is featured with compactness,light structure, nice figure,convenient maintenance,safe and reliability, easy installation.The flange of F10, 20, 30 types can rotate to be aligned with the pipe holes on site.

G/R/F10, 20, 30 glass tube flowmeters can substitute the glass tube flowmeters installed on the complete production lines imported, are widely used in chemical industry,light industry, pharmacy, food industry, papermaking,
environment protection,measuring, testing and scientific research institutes etc. to measure the flow rate of single phase non pulse fluid(liquid or gas).

Outline and Connection Size:
Fig.1

 

                             Table 1                         Unit:mm

DN(mm)

a×b

G10

R10

F10

L

C

Screw

L

C

D

L

C

D

E

DN15

26×230

408

52

G1/2"

400

Φ17

Φ43

310

Φ65

Φ95

4-Φ14

G3/8"

NPT1/2

DN25

32×230

414

75

G1"

450

Φ27

Φ60

310

Φ85

Φ115

4-Φ14

G3/4"

NPT1
DN40

40×230

424

92

G1 1/2"

450

Φ44

Φ78

310

Φ110

Φ145

4-Φ18

NPT11/2

DN50

50×230

426

116

G2"

450

Φ54

Φ98

310

Φ125

Φ160

4-Φ18

NPT2

Fig.2

                             Table 2                         Unit:mm

DN(mm)

G20

R20

F20

L

D

Screw

L

C

D

L

C

D

E

DN15

375

Φ58

G1/2"

400

Φ17

Φ58

425

Φ65

Φ95

4-Φ14

G3/8"

 

NPT1/2

 

DN25

375

Φ74

G1"

450

Φ27

Φ74

425

Φ85

Φ115

4-Φ14

G3/4"

 

NPT1
DN40

375

Φ92

G1 1/2"

450

Φ44

Φ92

425

Φ110

Φ145

4-Φ18

NPT11/2

 

DN50

375

Φ112

G2"

450

Φ54

Φ112

425

Φ125

Φ160

4-Φ18

NPT2

Fig.3

                             Table 3                        Unit:mm

DN(mm)

a×b

G30

R30

F30

L

C

Screw

L

C

D

L

C

D

E

DN15

28×230

375

52

G1/2"

400

Φ17

Φ43

310

Φ65

Φ95

4-Φ14

G3/8"

NPT1/2

DN25

32×230

375

75

G1"

450

Φ27

Φ60

310

Φ85

Φ115

4-Φ14

G3/4"

 

NPT1
DN40

45×230

375

92

G1 1/2"

450

Φ44

Φ78

310

Φ110

Φ145

4-Φ18

NPT11/2

 

DN50

55×230

375

116

G2"

450

Φ54

Φ98

310

Φ125

Φ160

4-Φ18

NPT2

 

Technical Parameter


DN (mm)

Normal type

Anti-corrosion type

Flow range

Pressure loss(Pa)

Allowed measuring fluid condition

Accuracy degree

Water (20℃)L/h

Air (20℃/101325Pa)m3/h

Pressure(MPa)

Temp.(℃)

15

G10/20/30-15
R10/20/30-15
F10/20/30-15

G10/20/30-15F
R10/20/30-15F
F10/20/30-15F

10~100
16~160
25~250
40~400
63~630

0.12~1.2
0.2~2
0.3~3
0.5~5
0.8~8
1.2~12
2~20

1000
1100
1200
1700
2000
2500
3000

≤1.0

-20~+120

2.5

25

G10/20/30-25
R10/20/30-25
F10/20/30-25

G10/20/30-25F
R10/20/30-25F
F10/20/30-25F

63~630
100~1000
160~1600
250~2500

2~20
3~30
5~50
6~60

2800
4000
5000
6000

40

G10/20/30-40
R10/20/30-40
F10/20/30-40

G10/20/30-40F
R10/20/30-40F
F10/20/30-40F

160~1600
250~2500
400~4000

5~50
8~80
12~120

3400
4000
5000

≤0.9

50

G10/20/30-50
R10/20/30-50
F10/20/30-50

G10/20/30-50F
R10/20/30-50F
F10/20/30-50F

400~4000
630~6300
1000~10000

12~120
20~200
30~300

4800
6500
8500

≤0.7

Notes: 1.The pressure of the medium in the flowmeter, for the liquid shall be at least two times of the pressure loss;for the gas must be exceed 5 times of pressure loss.
2.Accuracy class 1.5 can be ordered in special.
3.The maximal flow of corrosion resistant PTFE floater is one class lower than the conventional type.
4.The model of anti-corrosion type lining PTFE only for F10 and F30 series,model show as:F10-()F0,F30-()F0.

 

Medium Touching Parts Material:


Parts

 

Material
Model

G10-()

G10-()F

R10-()

R10-()F

F10-()

F10-()F

G20-()

G20-()F

R20-()

R20-()F

 

F20-()F

 

G30-()F

 

R30-()F

 

F30-()F

Float

304SS

Upper &Lower stop

Nylon

 Fluoroplastics

Nylon

 Fluoroplastics

Nylon

 Fluoroplastics

Seals

Nitrile rubber

Fluororubber

Nitrile rubber

Fluororubber

Nitrile rubber

Fluororubber

Screw connection

Carbon steel(Zinc plating)

304SS

-

-

Connection

Aluminium(G20)

304SS

-

-

Hose connection

-

Al

304SS

-

Flange connection

-

-

Al

304SS

Notes: Other materials are customized.



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