Gt1000 series – Brooks Instrument GT1000 User Manual
Page 10
1-4
Section 1 Introduction
GT1000 Series
Installation and Operation Manual
X-VA-GT1000-eng
Part Number: 541B078AAG
March, 2014
Table 1-4 Capacities and Pressure Drop Meter Sizes 7, 8, 9, 10, 12 &13: 200mm, 250mm Scale, Rib Guided Tubes, Standard Floats
Table 1-3 Capacities and Pressure Drop Meter Sizes 2 & 6: Spherical Floats
*
R
I
A
R
E
T
A
W
*
*
.
C
.
I
.
V
e
t
a
R
w
o
l
F
L
A
C
I
R
E
H
P
S
TUBE
FLOAT
cc/min.
l/h
Inches WC
kPa
cSt
slpm
m3/nh
Inches WC
kPa
GLASS
0.42
0.025
0.3
0.08
1.0
0.039
0.0021
0.3
0.08
SIZE 2
SAPPHIRE
0.84
0.05
0.4
0.09
1.0
0.06
0.0033
0.4
0.1
R-2-127-AAAAT
316 SS
1.9
0.11
0.7
0.17
1.0
0.11
0.0066
0.8
0.19
CARBOLOY
3.9
0.23
1.1
0.27
1.0
0.2
0.011
1.2
0.3
GLASS
4.2
0.25
0.3
0.08
1.0
0.3
0.016
0.3
0.08
SIZE 2
SAPPHIRE
8.0
0.48
0.4
0.1
1.0
0.41
0.023
0.4
0.11
R-2-127-DT
316 SS
16
0.98
0.9
0.22
1.0
0.68
0.038
1.0
0.24
CARBOLOY
27
1.6
1.5
0.38
1.0
1.0
0.057
1.7
0.42
GLASS
47
2.8
0.6
0.16
1.0
2.0
0.11
0.7
0.18
SIZE 2
SAPPHIRE
71
4.2
0.8
0.21
1.0
2.7
0.15
0.9
0.23
R-2-127-BT
316 SS
110
7.1
1.8
0.45
1.0
4.1
0.23
2.0
0.51
CARBOLOY
170
10
3.0
0.75
1.0
5.9
0.33
3.3
0.83
GLASS
160
10
1.8
0.45
1.0
7.3
0.4
2.0
0.5
SIZE 6
SAPPHIRE
240
14
2.9
0.72
1.0
9.4
0.52
3.2
0.8
R-6-127-AT
316 SS
410
24
6.1
1.53
1.0
14
0.78
6.8
1.7
CARBOLOY
610
36
10.5
2.61
1.0
19
1.1
11.6
2.9
GLASS
450
27
9.4
2.34
1.0
19
1.0
10.4
2.6
SIZE 6
SAPPHIRE
660
40
14.9
3.7
1.0
24
1.3
16.5
4.1
R-6-127-BT
316 SS
1000
65
30.1
7.5
1.0
35
1.9
33.3
8.3
CARBOLOY
1500
95
57.8
14.4
1.0
49
2.7
64.2
16
Note: 316 SS and Carboloy float capacities listed above can be used to size meters with optional inductance-type alarms
(*) Air flow rates in standard units are at 70'F and 14.7 PSIA, air flow rates in normal units are at 1.013 bar & 20'C
(**) When the viscosity of the fluid exceeds the viscosity immunity ceiling (VIC), a calculated correction is applied to account for
the difference between factory calibration fluid and process fluid.
p
o
r
D
e
r
u
s
s
e
r
P
p
o
r
D
e
r
u
s
s
e
r
P
Flow Rate
*
*
*
*
*
r
i
A
r
e
t
a
W
Flow Rate
Pressure Drop
V. I. C.**
Flow Rate
Pressure Drop
REQ.
REQ.
TUBE
FLOAT
GPM
l/h
INCHES W.C.
kPa
cSt
SCFM
m3n/h
INCHES W.C.
kPa
psi (*)
bar(*)
Size 7
GLASS
0.16
36
2.0
0.5
1.0
0.88
1.4
2.0
0.5
0
0
R-7M-25-1FT
316 SS
0.38
86
3.0
0.75
1.0
1.6
2.6
4.0
1
0
0
8-RV-3
0.77
170
3.0
0.75
2.0
3.1
5.0
3.0
0.75
0
0
8-RV-8
1.0
240
5.0
1.3
3.7
4.4
7.0
5.0
1.3
0
0
Size 8
8-RS-8
1.3
310
6.0
1.5
1.8
5.8
9.2
6.0
1.5
0
0
8-8M-25-4FT
8-RS-14
1.8
410
10
2.5
1.9
7.5
11
11
2.8
0
0
8-RV-14
1.4
320
8.0
2
5.4
5.8
9.2
8.0
2
0
0
8-RV-31
2.0
460
16
4
7.0
8.3
13
17
4.3
30
2
8-RS-31
2.5
580
20
5
3.1
10
16
22
5.5
30
2
8-LJ-48 ****
4.8
1100
52
13
1.0
20
33
57
14
30
2
9-RV-33
2.5
570
6.0
1.5
11
10
16
7.0
1.8
0
0
Size 9
9-RS-33
3.2
730
4.0
1
2.4
13
21
8.0
2.0
0
0
R-9M-25-3FT
9-RV-87
3.9
890
14
3.5
17
16
26
16
4.0
30
2
9-RS-87
5.1
1100
18
4.5
3.5
21
35
19
4.8
30
2
10-RV-64
6.2
1400
12
3
15
25
40
14
3.5
0
0
Size 10
10-RS-64
7.8
1700
16
4
3.7
32
50
18
4.5
0
0
R-10M-25-3FT
10-RS-138
10
2400
30
7.5
5.5
46
76
36
9
30
2
10-LJ-238 ****
20
4600
104
26
1.0
92
150
16
4
30
2
12-RV-119
13
2900
4.0
1
30
56
88
4.0
1
0
0
Size 12
12-RV-221
17
3900
10
2.5
32
70
110
12
3
0
0
R-12M-20-5FT
12-RV-343
20
4700
16
4
24
86
140
20
5
30
2
12-HF-455 ****
42
9700
30
7.5
10
170
280
32
8
30
2
13-RV-510
31
7200
26
6.5
40
130
200
28
7
0
0
Size 13
13-RS-510
42
9600
36
9
20
170
270
40
10
0
0
R-13M-20-3FT
13-HF-758 ****
62
14000
40
10
12
270
440
44
11
30
2
13-LJ-1394 ****
98
22000
200
50
1.0
NOT INTENDED FOR GAS SERVICE
(*) Minimum operating downstream pressure for gas service in PSIG.
(**) Viscosity immunity ceiling listed is for stainless steel float, fluid specific gravity 1.0. When the viscosity of the fluid exceeds the viscosity immunity
ceiling (VIC), a calculated correction is applied to account for the difference between factory calibration fluid and process fluid.
(****) Extended range - nonviscosity compensating floats.
(*****) Air flow rates in standard units are at 70'F and 14.7 PSIA, air flow rates in normal units are at 1.013 bar & 20'C