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

Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): US
Product Details

Key Instruments Flowmeter

The Key Instruments FR4500 series variable area flowmeter measures the liquid flow rate of 0.8L/min to 10L/min. It is a standard, precision-machined, acrylic, flowmeter for liquids or gases. It also has direct reading air and water scales. The FR4500 flowmeters can be configured with a control valve on the inlet or no valve at all. The O-rings are provided as Buna-N.
Product application information:
Compatible with most gases and fluids.
Mounting screws are required (available separately).

Features and Benefits

Pipe diameter range is 1/4 in
Connection type is 1/4 NPT female
Maximum operating pressure is 6.89bar
Maximum operating temperature is 65°C
It is use for long term trouble free operation
Easy-to-read scales
Threaded brass inserts for quick installation
Easy disassembly and assembly for maintenance
Durable, 1-piece, clear, acrylic construction
Stable, easy-to-read float
Superior quality
Mounting inserts 10-32 UNF x 3/8in
It has maximum pressure 100PSIG


Air sampling equipment aquaculture
Desalinization equipment
Gas analysers
Medical systems
Photo processing equipment
Water treatment and distribution systems

Attribute Value
Media Monitored Liquid
Device Type Variable Area
Minimum Flow Rate 0.8 L/min
Maximum Flow Rate 9 L/min
Pipe Diameter Range 1/4 in
Connection Type 1/4 NPT Female
Maximum Pressure 6.89bar
Material Acrylic
Maximum Media Temperature +65°C
Maximum Operating Temperature +65°C
Series FR4500
27 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 420.79
(exc. GST)
$ 483.91
(inc. GST)
Per unit
1 - 5
6 +
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