Glass Tube Rotameter
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| Operating Principle |
Glass Tube Rotameter is
basically a Variable Area Flow Meter.
The differential pressure across the annulus area is constant
and the flow rate is measured as a function of the annulus
area. This area is displayed as the position of a “Float”. |
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| Standard Features |
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Various Material of Construction |
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Line Size from 15 NB to 80
NB |
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Heavy Duty Design with Maximum
Visibility |
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Ranges between 2.0 LPH to
25000 LPH |
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Two Tone Powder
Coated Excellent Finish |
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No Threads in Body, Avoids
Corrosion |
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Face-To-Face Distance : 500
mm |
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Single Piece (jointless)
PTFE / PP claded end connections |
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Easy to Maintain and Replace |
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Suitable for on Line Installation |
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Measuring Span : 1:10 |
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Glass : Borosilicate |
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Linear Scale |
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Slip on Flange - facilitates
change in line of sight |
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Accuracy : +/- 2% of Full
Scale |
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SS |
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| SN |
Parts  |
OPTIONS |
| A |
Enclosure
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MS-
Powder Coated , |
SS-
Powder Coated, |
SS-
Buffed , |
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| B |
Flange - NB |
15, 25,
40, 50, 80 |
| C |
Flange Specifications |
ASA-150, BS10-T-E,
BS10 T-F, Din-10 |
| D |
MOC Wetted |
CS, SS304, SS316,
CS-PTFE, CS-PP |
| E |
Float - MOC |
SS316, PTFE,
PVC, Aluminium |
| F |
Flange - MOC |
CS, SS304, SS316 |
| G |
PTFE Enve. Gland Packing |
Nitrite , Silicon,
Viton |
| H |
Measuring Range in
LPH of H2O @ T :- Ambt / Pr : - Atm
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Glass
Size |
With
PTFE Float LPH |
With
SS 316 Float LPH |
Max.
Pressure
Drop in
mmwc |
Test
Pressure |
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NB |
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15 |
20 |
25 |
40 |
50 |
80 |
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140 |
15 |
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TN
1
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2-20
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3-30 |
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TN
2 |
3-30 |
6-60 |
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TN
3 |
4-40 |
10-100 |
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TN
4
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6-60
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20-200 |
350 |
15 |
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TN
5 |
8-80 |
30-300 |
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TN
6 |
12-120 |
40-400 |
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TN
7 |
18-180 |
60-600 |
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TN
8
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20-200
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80-800
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600 |
12 |
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TN
9 |
40-400 |
100-1000 |
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TN
10 |
50-500 |
150-1500 |
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TN
11 |
80-800 |
250-2500 |
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TN
12 |
90-900
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300-3000
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900 |
9 |
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TN
13 |
100-1000 |
350-3500 |
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TN
14 |
150-1500 |
400-4000 |
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TN
15
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200-2000
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600-6000
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900 |
7 |
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TN
16 |
250-2500 |
700-7000 |
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TN
17 |
400-4000 |
1000-10000 |
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TN
18
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500-5000
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1500-15000
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900 |
5 |
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TN
19 |
600-6000 |
2000-20000 |
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TN
20 |
800-8000 |
2500-25000 |
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ROTAMETER
WITH HIGH-LOW-FLOW SWITCHES
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Inductive Proximity Switch |
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Control Unit |
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Namur as per DIN 19234 |
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Input 230 V AC / 110 V AC |
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ABS Housing |
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35 mm DIN Rail |
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Screwed Fitting |
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Adjustable on Complete Span |
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PTFE - SINGLE PC (NO
JOINT) CLADING
100% SPARK PROOF |
Float with PTFE Ring avoids glass to metal contact and minimizes possibility of Glass Tube breakage |
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