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Series GD Glass Tube Flowmeters

Download PDF Data Sheet
Features

• Standard direct read scales
• Scale length (approximate): 65 mm, 150 mm
• Flowmeter available with:
         • No Valve
         • Cartridge Valve
         • Precision Control Valve
• Inlet valve Standard / Outlet valve available
• E-Z CHANGE design allows quick interchangeability of tube
  assemblies
• Glass tube allows compatibility with most gases and fluids
• Rotating lens allows 180º view with magnification
 
Features

Turndown ≥ 10:1

 

65 MM Tubes

See Table @ STP

150 MM Tubes

See Table @ STP

Series GR Glass Tube Flowmeters
 

Series GD is a direct read flowmeter for liquids or gases available in either 65 or 150 mm scale lengths with corresponding reference scales. Series GD flowmeters can be configured with a standard or precision control valve on either the inlet or no valve at all; fittings can be specified in either aluminum or stainless steel; valves can be specified in either brass or stainless steel; O-rings and seals can be provided in Buna-N, Viton® or other optional elastomers.
Flow Rates

   65MM – Air

GD60110

G

1/8"

      

2-50

.004-.1

GD60130

ST

1/8"

      

1-150

  

GD60210

G

1/8"

      

5-100

  

GD60230

ST

1/8"

      

10-300

  

GD60310

G

1/8"

      

20-40

  

GD60320

S

1/8"

25-550

.05-.5

  

25-550

.1-1.2

GD60410

G

1/8"

      

20-900

.05-1.9

GD60420

S

1/8"

  

.1-1

  

50-1200

  

GD60430

ST

1/8"

      

50-1800

  

GD60510

G

3/16"

  

.1-2.5

  

250-2500

.25-5.5

GD60540

C

3/16"

      

350-7300

  

GD60710

G

1/4"

      

200-6000

  

GD60730

ST

1/4"

  

.2-11.4

      

GD60820

S

1/4"

        

2-25

GD60830

ST

1/4"

        

4-40

GD60920

S

1/4"

  

1-20

      

GD60930

ST

1/4"

  

1-30

    

4-60

GD61040

C

1/4"

  

2-60

    

5-130
 

   150MM – Air

GD10110

G

1/8"

      

2-50

  

GD10210

G

1/8"

2-100

    

2-100

2-100

GD10220

S

1/8"

4-160

    

4-160

  

GD10230

ST

1/8"

  

.01-.25

  

5-300

  

GD10310

G

1/8"

      

20-400

  

GD10320

S

1/8"

20-400

    

20-550

  

GD10330

ST

1/8"

      

30-850

.06-1.3

GD10420

S

1/8"

  

.1-1

  

50-1100

.05-2.4

GD10430

ST

1/8"

  

.25-1.7

10-100

    

GD10520

S

3/16"

  

.05-3

  

50-3000

.1-6

GD10530

ST

3/16"

      

100-4500

  

GD10560

G

3/16"

  

.05-2.5

      

GD10630

ST

3/16"

  

.1-6.6

      

GD10720

S

3/16"

  

.2-12

      

GD10760

G

1/4"

  

.25-10

      

GD10820

S

1/4"

  

1-30

      

GD10830

ST

1/4"

  

1-40

      

GD10840

C

1/4"

  

1-50

      

GD10850

T

1/4"

 

    

2000-66,000

  

Flow Rates

   65MM – Argon

GD60420

S

1/8"

  

0.05-1

  

GD60510

G

3/16"

  

0.2-2

  

GD60730

ST

1/4"

    

0.5-20

GD61010

G

1/4"

  

1-20

  

GD61040

C

1/4"

    

5-110
 

   150MM – Argon

GD10110

G

1/8"

1-40

    

GD10530

ST

3/16"

  

0.5-5

  

GD10620

S

3/16"

    

0.1-8

GD10720

S

1/4"

  

1-10

  

GD10820

S

1/4"

    

1-55

Flow Rates

   65MM – Carbon Dioxide

GD60220

S

1/8"

6-180

    

GD60420

S

1/8"

  

10-1000

  

GD60830

ST

1/4"

    

0.5-16
 

   150MM – Carbon Dioxide

GD10710

G

1/4"

1-40

  

0.1-8

GD10810

G

1/4"

  

0.5-5

0.25-20

GD10830

ST

1/4"

    

1-45

GD10840

C

1/4"

  

1-10

1-50

Flow Rates

   65MM – Helium

GD60130

ST

1/8"

  

2-155
 

   150MM – Helium

GD10210

G

1/8"

2-100

2-100

GD10230

ST

1/8"

  

5-300

GD10240

C

1/8"

  

40-560

Flow Rates

   65MM – Hydrogen

GD60140

TC

1/8"

25-600

    

GD60240

C

1/8"

  

0.2-1

  

GD60510

G

3/16"

    

1-10

GD60530

S

1/4"

  

1-10

  
 

   150MM – Hydrogen

GD10240

C

1/8"

20-2000

0.2-1

  

GD10730

ST

1/4"

  

1-62

  

Flow Rates

   65MM – Nitrogen

GD60130

ST

1/8"

  

15-150

  

 

GD60210

G

1/8"

4-100

    

0.1-1.2

GD60320

S

1/8"

20-560

  

 

GD60430

ST

1/8"

100-1800

    

 

GD60510

G

3/16"

  

 

  

0.5-5

GD60530

ST

3/16"

      

0.4-10

GD60630

ST

1/4"

      

0.5-16

GD60730

ST

1/4"

  

 

  

3-25

GD61040

C

1/4"

  

 

  

13-127
 

   150MM – Nitrogen

GD10110

G

1/8"

  

2-50

  

 

GD10210

G

1/8"

 

2-100

  

 

GD10220

S

1/8"

 

1-160

  

 

GD10230

ST

1/8"

  

5-300

  

 

GD10330

ST

1/8"

  

30-900

  

 

GD10410

S

1/8"

20-700

    

 

GD10430

ST

1/8"

  

50-1750

 

  

GD10530

ST

3/16"

    

0.4-4.5

 

GD10710

S

1/4"

  

 

0.1-9

0.5-20

GD10720

G

1/4"

  

 

  

1-25

GD10810

S

1/4"

  

 

  

1-50

GD10840

C

1/4"

  

 

2-60

  

Flow Rates

   65MM – Oxygen

GD60230

ST

1/8"

 10-260    

 

  
 

   150MM – Oxygen

GD10110

G

1/8"

   2-50  

GD10230

ST

1/8"

  

 

0.01-0.25

GD10420

S

1/8"

    

.02-1

GD10540

C

3/16"

    

0.5-5

GD10560

G

3/16"

    

0.5-2.5

GD10760

G

1/4"

    

0.25-10

GD10810

G

1/4"

  

 

0.5-22

GD10820

S

1/4"

  

 

1-30

GD10830

ST

1/4"

  

 

1-40

GD10840

C

1/4"

  

 

1-50

Flow Rates

   65MM – Water

GD60330

ST

1/8"

1-20

 

    

.03-0.3

GD60440

C

1/8"

    

2-50

  

 

GD60530

ST

3/16"

4-140

 

 4-140    

GD60610

G

3/16"

1-90

  

 

    

GD60620

S

3/16"

500-5200

 

 

  

 

GD60630

ST

3/16"

    

10-220

    

GD60730

ST

1/4"

  

 

10-340

   0.2-5

GD60930

S

1/4"

    

25-875

  

0.5-14

GD61010

G

1/4"

    

25-575

    

GD61030

ST

1/4"

  

 

 10-1300    

GD61040

C

1/4"

  

 

    

5-115

GD61050

T

1/4"

 50-2000

 

 50-2000 .2-.5

 
 

   150MM – Water

GD10430

ST

1/8"

  

 

2-48

    

GD10530

ST

3/16"

     2-130  

 

GD10610

G

3/16"

     1-75    

GD10620

ST

3/16"

         0.5-7

GD10630

ST

3/16"

         1-11

GD10640

C

3/16"

     3-290    

GD10730

ST

1/4"

     10-520    

GD10830

ST

1/4"

   0.1-1.3      

GD10840

C

1/4"

 1-20        

GD10850

T

1/4"

 

   20-2080    
   
Specifications

Accuracy:

65 mm Scale ± 5% Full Scale
150 mm Scale ± 3% Full Scale

Floats:

Black Glass
Sapphire
Stainless Steel
Carboloy (Tungsten Carbide)
Tantalum

Frame:

Aluminum

End Blocks:

Aluminum w/ Buna N
Stainless Steel w/ Viton®

Standard Seals & Fittings:

Brass w/ Buna N
Stainless Steel w/ Viton®

Fittings:

1/8" FNPT

Tube:

Borosilicate Glass

Valves:
(optional)

Standard Control Valve
Precision Control Valve

Temperature:

200 psi / 13.8 Bar Max.

Pressure:

200°F / 93°C Max.
Click here for dimensions

CLICK HERE for Dimensions
 
Ordering Information

GD

60110

A

C

 S V V
GAS OR LIQUID
A - Air
R - Argon
C - Carbon Dioxide
H - Helium
Y - Hydrogen
N - Nitrogen
O - Oxygen
W - Water		 UNITS OF MEASURE
M - ml/min
L - LPM
H - LPH
C - CCM
F - SCFH
P - GPM
G - GPH		 END BLOCKS MATERIAL
(WETTED)
A - Aluminum
S - Stainless Steel		 VALVE DESIGNATION
V - Standard Valve (Inlet)
P - Precision Valve (Inlet)
N - None		 O-RING MATERIAL
USED IN VALVE
B - Buna-N
V - Viton®
S - Special

       
   
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