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/ Metal Tube Rotameter
Horizontal Pointer Metal Tube Rotameter
- Range ratio: 10:1(Special type 20:1).
- Accuracy class: 2.5(Special type 1.5% or 1.0%).
- Working pressure: DN15~DN50 PN16 (Special type 2.5MPa).
- Medium temperature: Normalized type -80℃~+220℃.
- Ambient temperature: -40℃~+120℃(Remote display without LCD≤85℃).
Introduction
Advantages
Horizontal LCD Display Metal Tube Rotameter Advantages:
1. Horizontal Installation,easy for installation and observation;
Simple structure, good stability and reliability.
2. Independent of medium’s physical and chemical states such as conductivity, dielectric constants, etc.
3. Applicable for all kinds of medium environment such as corrosive, toxic and explosive one.
4. Interface measurement or level measurement of 2 kinds of medium with different density.
5.Two-wire 4~20mADC signal output, 0.8” or 0.56” LCD digital display.
6.Easy-to-read displays on all flow meter types
Application
Horizontal LCD Display Metal Tube Rotameter Application
Horizontal LCD Display Metal Tube Rotameter is mainly suitable for small and medium flow measurement of single-phase liquid or gas with small and medium pipe diameter, low noise and Reynolds number of acetic acid,like Air,Water,lubricating oil,Steam,Hydrogen,O2,etc,and many other Liquid or gas in the Chemical,Pharmaceutical, Petrochemical,Food,Metallurgical Industry ,etc.
Water Treatment
Food Industry
Pharmaceutical Industry
Petrochemical
Paper Industry
Chemical Monitoring
Metallurgical Industry
Public Drainage
Coal Industry
Technical Data
Table 1: Horizontal Pointer Metal Tube Rotameter Data Sheet
| Measuring range | Water (20℃) 16~150000 l/h. Air(0.1013MPa 20℃) 0.5~4000 m3/h. |
| Range ratio | 10:1(Special type 20:1). |
| Accuracy class | 2.5(Special type 1.5% or 1.0%). |
| Working pressure | DN15~DN50 PN16 (Special type 2.5MPa). DN80~DN150 PN10 (Special type 1.6MPa). Pressure rating of jacket 1.6MPa. |
| Medium temperature | Normalized type -80℃~+220℃. High-temperature type 300℃. Lined with FEP type ≤85℃. |
| Ambient temperature | -40℃~+120℃(Remote display without LCD≤85℃). (Remote display with LCD≤70℃). |
| Dielectric viscosity | 1/4” NPT, 3/8” NPT 1/2” NPT≤5mPa.s 3/4” NPT,1” NPT ≤250mPa.s |
| Output | Standard signal: two-wire system 4 ~ 20mA (with HART communication). Standard signal: three-wire system 0 ~ 10mA. Alarm signal:1.Two-way relay output. 2.One-way or two-approach switches . Pulse signal output: 0-1KHz isolated output. |
| Process connection | Standard type:24VDC±20%. AC type:220VAC(85~265VAC) (optional). |
| Connection mode | Flange Thread Tri-clamp |
| Levels of protection | IP65/IP67. |
| Ex-mark | Intrinsically safe:ExiaIICT3~6. Exd type:ExdIICT4~6. |
Table 2: Horizontal Pointer Metal Tube Rotameter Flow Range
Caliber (mm) | Work number | Flow range | Pressure loss kpa | ||||
Water L/h | Air m3/h | Water Kpa | Air | ||||
| Normal type | Anti-corrossion type | Normal type Anti-corrossion type | Normal type | Anti-corrossion type | |||
| 15 | 1A | 2.5~25 | — | 0.07~0.7 | 6.5 | – | 7.1 |
| 1B | 4.0~40 | 2.5~25 | 0.11~1.1 | 6.5 | 5.5 | 7.2 | |
| 1C | 6.3~63 | 4.0~40 | 0.18~1.8 | 6.6 | 5.5 | 7.3 | |
| 1D | 10~100 | 6.3~63 | 0.28~2.8 | 6.6 | 5.6 | 7.5 | |
| 1E | 16~160 | 10~100 | 0.48~4.8 | 6.8 | 5.6 | 8.0 | |
| 1F | 25~250 | 16~160 | 0.7~7.0 | 7.0 | 5.8 | 10.8 | |
| 1G | 40~400 | 25~250 | 1.0~10 | 8.6 | 6.1 | 10.0 | |
| 1H | 63~630 | 40~400 | 1.6~16 | 11.1 | 7.3 | 14.0 | |
| 25 | 2A | 100~1000 | 63~630 | 3~30 | 7.0 | 5.9 | 7.7 |
| 2B | 160~1600 | 100~1000 | 4.5~45 | 8.0 | 6.0 | 8.8 | |
| 2C | 250~2500 | 160~1600 | 7~70 | 10.8 | 6.8 | 12.0 | |
| 2D | 400~4000 | 250~2500 | 11~110 | 15.8 | 9.2 | 19.0 | |
| 40 | 4A | 500~5000 | 300~3000 | 12~120 | 10.8 | 8.6 | 9.8 |
| 4B | 600~6000 | 350~3500 | 16~160 | 12.6 | 10.4 | 16.5 | |
| 50 | 5A | 630~6300 | 400~4000 | 18~180 | 8.1 | 6.8 | 8.6 |
| 5B | 1000~10000 | 630~6300 | 25~250 | 11.0 | 9.4 | 10.4 | |
| 5C | 1600~16000 | 1000~10000 | 40~400 | 17.0 | 14.5 | 15.5 | |
| 80 | 8A | 2500~25000 | 1600~16000 | 60~600 | 8.1 | 6.9 | 12.9 |
| 8B | 4000~40000 | 2500~25000 | 80~800 | 9.5 | 8.0 | 18.5 | |
| 100 | 10A | 6300~63000 | 4000~40000 | 100~1000 | 15.0 | 8.5 | 19.2 |
| 150 | 15A | 20000~100000 | — | 600~3000 | 19.2 | — | 20.3 |
Table 3: Horizontal Pointer Metal Tube Rotameter Model Selection
| QTLZ | X | X | X | X | X | X | X | X | X |
| Indicator | Code | ||||||||
| Local indicator | Z | ||||||||
| LCD indicator with ouput | D | ||||||||
| Norminal diameter | Code | ||||||||
| DN15 | -15 | ||||||||
| DN20 | -20 | ||||||||
| DN25 | -25 | ||||||||
| DN40 | -40 | ||||||||
| DN50 | -50 | ||||||||
| DN80 | -80 | ||||||||
| DN100 | -100 | ||||||||
| DN150 | -150 | ||||||||
| Structure | Code | ||||||||
| Bottom-top | / | ||||||||
| Left-right (horizontal) | H1 | ||||||||
| Right-left (horizontal) | H2 | ||||||||
| Side-side | AA | ||||||||
| Bottom -side | LA | ||||||||
| Thread connection | S | ||||||||
| Tri-clamp | M | ||||||||
| Body material | Code | ||||||||
| 304SS | R4 | ||||||||
| 316LSS | R6L | ||||||||
| Hastelloy C | Hc4 | ||||||||
| Titanium | Ti | ||||||||
| Liner F46(PTFE) | F | ||||||||
| Monel | M | ||||||||
| Indicator type | Code | ||||||||
| Iinear indicator(pointer indication) | M7 | ||||||||
| Nonlinear indicator(LCD Display) | M9 | ||||||||
| Combination function(only for LCD display) | Code | ||||||||
| 24VDC with 4~20mA output | S | ||||||||
| 24VDC with HART communication | Z | ||||||||
| Battery power | D | ||||||||
| Additional function | Code | ||||||||
| Measuring tube with thermal preservation / heat insulation jacket | T | ||||||||
| Measure medium temperature higher than 120.C | HT | ||||||||
| Ex-proof: | Code | ||||||||
| With | W | ||||||||
| Without | N | ||||||||
| Alarm | Code | ||||||||
| One alarm | K1 | ||||||||
| Two alarm | K2 | ||||||||
| None | N | ||||||||
Installation
Metal Tube Rotameter Installaion
Installed flowmeter should guarantee the entry ≥5DN straight pipe section，export straight pipe section not less than 250mm ；if the medium containing ferromagnetic material，magnetic filter should be installed in front of the flowmeter。（see magnetic filter and straight pipe section diamension diagram ）
1. For flow meter installed，ensure the measuring pipe perpendicularity is better than 5 and should be equipped with bypass,easy to maintain and clean and does not affect production..
2. Monitoring and control system in the control valve，should be installed downstream of the flowmeter.For gas measurement，Should ensure the working pressure is not less than 5 times of pressure loss of the flowmeter, to make stable work of the flowmeter.
3. Before install the flowmeter，The pipe should be welding slag purging clean；When installation to remove locking component in the flow meter;when used after installation，Slowly open the control valve，Avoid shock damage flow meter
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