Metal Tube Rotameter for Corrosive Liquid
The metal tube rotameter for corrosive liquid features a PTFE (Teflon) lined metal tube that combines rugged construction with excellent chemical resistance. The meter can reliably measure highly corrosive liquids such as caustic soda, hydrofluoric acid, sulfuric acid, and other aggressive chemicals.
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Key Features：
- PTFE Lined Construction – The inner tube is fully lined with Teflon, protecting against corrosive attack from acids, alkalis, and aggressive solvents.
- Rugged and Durable – The metal outer body provides mechanical strength while the PTFE lining handles the chemical exposure.
- Handles Aggressive Chemicals – Works with strong acids, caustic solutions, and other corrosive fluids that damage standard materials.
- Proven Technology – This classic flow meter design has been used successfully in industry for many years.
- Simple and Reliable – Few moving parts mean less maintenance and dependable long-term operation.
- High Pressure Rating – The metal construction allows use at higher pressures than glass tube meters.
- Wide Application Range – Used in chemical processing, water treatment, pharmaceuticals, and petrochemical industries.
- Easy to Read – Local flow indication allows quick visual monitoring of flow rates.
- Multiple Connection Options – Available with threaded or flanged fittings to match your process requirements.
- Optional Transmitter – Can be equipped with 4-20mA output for remote monitoring and control.
- Temperature Resistant – PTFE lining performs well from -20°C to +150°C.
- Cost Effective – Delivers reliable corrosive liquid measurement at a reasonable price.
| Water (L/h) | Air (m3/h) | HH50 Max Pressure los | |||
| Diameter | Float No. | Material
PTFE |
@0.1013MPa 20°C | Water
(Kpa) |
Air
(Kpa) |
| 15 | H15.1
H15.2 H15.3 H15.4 H15.5 H15.6 H15.7 H15.8 H15.9 |
1.6~16
2.5~25 4.0~40 6.3~63 10~100 16~160 25~250 40~400 |
0.05~0.5
0.07~0.7 0.11~1.1 0.18~1.8 0.28~2.8 0.48~4.8 0.7~7 1.0~10 1.6~16 |
2.0
2.3 2.5 2.5 2.5 2.6 2.7 2.9 3.4 |
7.0
7.2 7.3 7.5 7.8 8.0 10.0 10.8 14 |
| 25 | H25.1
H25.2 H25.3 H25.4 H25.5 H25.6 |
40~400
63~630 100~1000 160~1600 250~2500 400~4000 |
1.6~16
3.0~30 4.5~45 7.0~70 11~110 18~180 |
4.0
4.1 4.4 5.2 7.0 12.5 |
7.0
8.0 12.0 19.0 25.0 33.0 |
| 50 | H50.1
H50.2 H50.3 H50.4 |
400~4000
630~6300 1000~10000 1600~16000 |
18~180
25~250 40~400 100~1000 |
4.7
5.1 6.2 8.0 |
8.0
15.0 22.0 35.0 |
| 80 | H80.1
H80.2 |
1600~16000
2500~25000 |
100~1000
120~1200 |
5.3
7.8 |
15.0
22.0 |
| 100 | H105.1
H105.2 |
4000~40000
6300~63000 |
180~1800
300~3000 |
11.4
16.7 |
35.0 |
| 150 | H155.1 | 10000~100000 | 400~4000 | 17.0 | |
Rotameter Flow meter (PTFE lined) dimension:
Applications:
Chemical Processing – Measuring flow of acids, alkalis, and corrosive chemicals in production lines
Water Treatment – Dosing and monitoring of chlorine, sulfuric acid, sodium hypochlorite, and other treatment chemicals
Petrochemical Industry – Flow measurement of corrosive hydrocarbons, solvents, and process fluids
Pharmaceutical Manufacturing – Precise flow control of aggressive solvents and chemical reagents
Electroplating & Metal Finishing – Monitoring acid baths, plating solutions, and caustic cleaning fluids
Pulp & Paper – Measuring bleaching agents, caustic soda, and other corrosive process chemicals
Semiconductor Manufacturing – Flow control of ultrapure acids and specialty chemicals
Food & Beverage – CIP (Clean-in-Place) systems with caustic and acidic cleaning solutions
Mining & Mineral Processing – Leaching solutions, acid recovery, and reagent dosing
Fertilizer Production – Handling ammonia, nitric acid, phosphoric acid, and other raw materials
