Flow Measurement & Control
Rotameters
369
Engineering Drawings
NUMBER
OF TUBES
1
2
3
4
A
in
1.00
2.00
3.00
4.00
B
cm
2.54
5.08
7.62
10.16
in
1.25
2.25
3.25
4.25
cm
3.17
5.71
8.25
10.79
C
CONNECTIONS
1/8” Female NPT
1/4” Female NPT
1/8” Tube Fitting*
1/4” Tube Fitting*
1/4” Hose (3/16”-3/8” Tapered)
1/8” Hose
in
0.63
0.74
1.33
1.38
1.78
1.30
cm
1.60
1.88
3.38
3.51
4.52
3.30
*Dimension includes nut – hand tight (not at full compression)
D
VALVE OPTIONS
Utility Valve (Full Open)
High Accuracy (Full Open)
in
1.25
1.80
cm
3.18
4.57
FM-1000 Series Flowmeter (in/cm)
NUMBER
OF TUBES
1
2
3
4
A
in
1.00
2.00
3.00
4.00
B
cm
2.54
5.08
7.62
10.16
in
1.25
2.25
3.25
4.25
cm
3.17
5.71
8.25
10.79
C
CONNECTIONS
1/8” Female NPT
1/4” Female NPT
1/8” Tube Fitting*
1/4” Tube Fitting*
1/4” Hose (3/16”-3/8” Tapered)
1/8” Hose
in
0.63
0.74
1.33
1.38
1.78
1.30
cm
1.60
1.88
3.38
3.51
4.52
3.30
*Dimension includes nut – hand tight (not at full compression)
D
VALVE OPTIONS
Utility Valve (Full Open)
High Accuracy (Full Open)
in
1.25
1.80
cm
3.18
4.57
www.mathesontrigas.com
Flow Measurement & Control
FM-1050 Series Flowmeter (in/cm)
Flow Measurement & Control
Rotameters
370
Engineering Drawings (continued)
Flow Measurement & Control
FM-1100 Series and FM-1127 Series Flowmeter (in/cm)
G
CONNECTIONS
1/4” Female NPT*
3/8” Female NPT
1/2” Female NPT**
in
1.75
0.88
2.25
*Includes 3/8” FNPT – 1/4” FNPT adapter
**Includes 3/8” FNPT – 1/2” FNPT adapter
cm
4.45
2.24
5.72
A
MODEL NO.
FM-1100
FM-1127
in
8.38
10.38
B
cm
21.27
26.35
in
7.00
9.00
C
D
cm
mm
in
cm
17.78 70mm scale 5.00 12.70
22.86 127mm scale 7.00 17.78
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E
in
cm
7.00 17.78
9.00 22.86
F
in
cm
5.25 13.35
7.25 18.41
Flow Measurement & Control
Rotameters
Engineering Drawings (continued)
NUMBER
OF TUBES
1
2
A
in
1.00
2.00
cm
2.54
5.08
PM-1000 Series Flowmeter (in/cm)
NUMBER
OF TUBES
1
2
A
in
1.00
2.00
cm
2.54
5.08
www.mathesontrigas.com
Flow Measurement & Control
PG-1000 Series Flowmeter (in/cm)
371