| Customization: | Available |
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| After-sales Service: | 1-Year Warranty |
| Warranty: | 1 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Product Introduction:
The Hollysys AFM 2000 Series Metal Tube Rotameter is a reliable, easy-to-use instrument designed for precise measurement of liquid and gas flow rates in industrial processes. Featuring a robust metal tube construction and a float-type sensor, it offers stable performance in harsh environments, including high-pressure, high-temperature, or corrosive conditions. The series includes multiple models for diverse applications, from chemical dosing to pipeline monitoring.
Product Principle:
The AFM 2000 operates on the variable area principle: as the fluid flows upward through the tapered metal tube, the float rises to a position where the upward force from the flow equals the float's weight. The float's position corresponds to the flow rate, which is visually indicated on the graduated tube. For industrial automation, optional electrical transmitters convert the float position into 4-20mA analog signals or digital outputs.
| Instrument Diameter | DN15~DN150 |
| Measuring Range | Water (20'ºC)16~150000L/h; Air (20'C 0.1013MPa) 0.5~5000m3/h |
| Range Ratio | Standard: 10:1; Particular: 20:1 |
| Accuracy | 1.0 level; 1.5 level |
| Wetted Materials | SS316,SS304,SS316L,PTFE lining, Hastelloy C, Ti titanium lining |
| Pressure Level | Standard 1.6MPa~4.0MPa, Particular 5~42MPa |
| Connection | Flange Standard: HG/T20592-2009; Or any other standards specified by users |
| Ambient Temperature | -40ºCºC~120ºCºC,Flameproof: -20'ºC ~+40'ºC, Intrinsically Safe: -20°ºC ~+40°C |
| Medium Temperature | Standard -40°C ~+120°ºC; Particular -80'ºC ~+350°ºC; PTFE lining ≤ 80°C |
| Signal Output | Two-wire 4~20mA output; Hart communication; Two-wire prefabricated switch sensor, 8V DC powersupply |
| Power Supply | Standard: 24V Dc (10.8V DC~28V DC); AC type: 220V AC(85~265V AC); Battery type: 3.6V-9Ahlithium battery |
| Explosion-proof Levels | Intrinsically Safe: Exia ll CT6 Ga; Flameproof: Exd ll CT6 Gb |
| Protection Class | IP65 |
| Way of Display | On-site pointer display; LCD display(selectable) |
| Electrical Connections | 1/2"NPT; M20x1.5 |




Q: Are you a manufacturer or trader?
A: We are manufacturer which focuses on sensor and IoT solution provider for 10 years.
Q: How long is your delivery time?
A: It depends on the quantity. Normally it's about a week to two weeks.
Q: How to get quotation?
A: Please tell us the pipe diameter, measuring medium, flow rate, temperature, pressure, connection type and accuracy of the product you need, we will choose the most suitable product for you.
Q:Can I design our own logo or color ?
A:Sure ! we can laser mark your logo on products; OEM and ODM customization are welcomed.
Q:Can I place a small order for the first time?
A:Yes. We have no MOQ limit. Any order means your recognition of us, we believe we will have long-term cooperation.
Q: What is the warranty of your products?
A: Our warranty time is 12 months after shipment.
Q: What's the transport?
A: Express such as DHL, FedEx, TNT, UPS for freight prepaid and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.
Q: What are your terms of payment?
A: We could accept T/T, PayPal, Western Union, etc.