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FI1500 Series Hydraulic In-Line Flow Indicator FI1500-400ASOT | FT6068-06

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Description & Features

The WEBTEC FI1500 Series in-line flow indicator is designed for continuous flow monitoring in hydraulic systems where both flow rate and fluid temperature need to be tracked in real time. The FI1500-400ASOT covers a working range of 20 to 400 L/min (5 to 100 US gpm) with a flow accuracy of plus or minus 4% full scale, and temperature accuracy of plus or minus 2.5 degrees C (plus or minus 5 degrees F).

Rated to 350 bar (5000 psi), the unit is constructed from aluminium 2011T6 with mainly brass internals and FKM seals, making it well suited to mineral oil service per ISO 11158. Main port connections are 1-7/8 inch -12UN #24 SAE ORB, with 1/4 inch NPTF top ports. Fluid temperatures up to 80 degrees C are supported in continuous service, with intermittent tolerance to 110 degrees C. The unit weighs 3.2 kg (7 lbs).

SKU: FT6068-06

Supplier Part Number (MPN): FI1500-400ASOT

Specifications

Brand
Webtec
Pack Size
1.00
UOM
EA
Flow Accuracy
±4% Full Scale
Temperature Accuracy
±2.5°C / ±5°F
Ambient Temperature
-10 to 50°C, 14 to 122°F
Body Materials
Aluminium 2011T6
Compatible Fluid
Mineral oils to ISO 11158 (other fluids on request)
Flow Range (US gpm)
5 - 100
Flow Range (L/min)
20 - 400
Fluid Temperature Range
20 to 80°C 65 to 176°F cont use. Intermittently (<10 mins) up to 110°C, 230°F
Gross Weight
3.2 kg, 7 lbs
Internal Materials
Mainly Brass
Maximum Rated Flow
400 L/min, 100 US gpm
Max Rated Pressure
350 bar, 5000 psi
Net Weight
3.2 kg, 7 lbs
Porting
Main ports 1-7/8” -12UN #24 SAE ORB, Top ports 1/4” NPTF
Seals
FKM
Product Weight
0.99 lbs

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Product Questions & Answers (1)

Question by: Tammy S on Jul 9, 2025, 4:51 PM
what's the pressure rating on this unit, and is it good for high-pressure test circuits?
Answer by: Customer Support on Jul 11, 2025, 9:06 AM
Rated to 350 bar (5000 psi), the FI1500-400ASOT holds up well in demanding high-pressure hydraulic circuits. Flow range runs 20 to 400 L/min (5 to 100 US gpm), so it covers a wide span of test rig conditions without running into range limitations on most setups. Accuracy is plus or minus 4% of full scale, which is typical for in-line flow indicators in this class.