Key Instruments FR4500 Series Variable Area Flow Meter, 0.8 L/min → 9 L/min

Enrgtech Part No: ET21653476
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Manufacturer Part No:
2530A4L69BVBN
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Manufacturer: Key Instruments

2530A4L69BVBN Key Instruments FR4500 Series Variable Area Flow Meter, 0.8 L/min → 9 L/min

Product Information

Maximum Pressure:

6.89bar

Series:

FR4500

Material:

Acrylic

Media Monitored:

Liquid

Maximum Flow Rate:

9 L/min

Device Type:

Variable Area

Minimum Flow Rate:

0.8 L/min

Pipe Diameter Range:

1/4 in

Maximum Media Temperature:

+65°C

Maximum Operating Temperature:

+65°C

Connection Type:

1/4 NPT Female

Checking for live stock

The Key Instruments 2530A4L69BVBN flow meter is designed for liquid flow measurement in industrial and process control systems. It offers a clear variable‑area (rotameter) read‑out with a flow range of 0.8 L/min minimum to 9 L/min maximum. The unit features a one‑piece acrylic body for excellent visibility of the float movement, a ¼‑inch NPT female connection, and is calibrated for 1/4-in pipe-diameter installations. With a maximum operating pressure of 6.89 bar and media temperature up to +65 °C, it suits general‑purpose flow monitoring in OEM, laboratory and production applications.

Notable Advantages of Choosing the Key Instruments Variable Area Flow Meter

0.8 L/min to 9 L/min flow range supports low‑to‑moderate liquid flow applications.
¼ in NPT female connection and ¼ in pipe diameter compatibility simplifies system integration.
6.89 bar (100 psi) maximum pressure rating allows use in moderate‑pressure systems.
Clear acrylic body with direct‑reading float ensures quick visual flow verification.
Optional control‑valve configuration available on the inlet for shutdown or regulation.
Compatible with most fluids and gases (with correct scale selection and calibration).

Engineered for Precision Monitoring

This flow meter brings precision and durability to industrial flow measurement. The FR4500 Series incorporates a machined acrylic structure that balances transparency and strength, enabling visual monitoring while maintaining structural integrity under pressure. The float design is stable and accurate, and the optional inlet valve configuration allows fine flow adjustment without external instrumentation.

Usage Recommendations of the Product

Monitoring of liquid feed flows in chemical dosing systems.
Flow verification in water treatment, purification, or filtration plants.
Liquid sampling systems in laboratories and process control benches.
OEM integration in machinery that requires transparent, simple flow indication.
Retrofit installations in pipelines.

Datasheet(Technical Reference)

INSTALLATION & OPERATION INSTRUCTIONS FOR FR2000, FR4000 FR4500 SERIES FLOWMETERS(Technical Reference)

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