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FI1500 Series Hydraulic In-Line Flow Indicator FI1500-300ASO | FT6238-05

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Description & Features

The WEBTEC FI1500 Series in-line flow indicator is designed for continuous flow monitoring in hydraulic systems handling up to 300 L/min (80 US gpm), with a working pressure rating of 350 bar (5000 psi). The FI1500-300ASO covers a flow range of 20 to 300 L/min (4 to 80 US gpm), delivering flow accuracy of ±4% Full Scale alongside temperature accuracy of ±2.5°C (±5°F).

Constructed from aluminium 2011T6 with mainly brass internals and FKM seals, this unit is suited to mineral oils conforming to ISO 11158. Main porting is 1-7/8" -12UN #24 SAE ORB with 1/4" NPTF top ports. Continuous fluid temperatures from 20 to 80°C (65 to 176°F) are supported, with intermittent use permitted up to 110°C (230°F). Ambient temperature range spans -10 to 50°C (14 to 122°F). Net weight is 3.2 kg (7 lbs).

SKU: FT6238-05
Supplier Part Number (MPN): FI1500-300ASO

Specifications

Brand
WEBTEC
Brand
Webtec
Pack Size
1.00
UOM
EA
Supplier Part Number
FT6238-05
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)
4 - 80
Flow Range (L/min)
20 - 300
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
300 L/min, 80 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

Related Documents

Product Questions & Answers (2)

Question by: Scott A on May 21, 2026, 9:37 PM
How much flow can this FI1500 indicator handle?
Answer by: Customer Support on May 23, 2026, 7:04 AM
The FI1500 Series Hydraulic In-Line Flow Indicator can handle a maximum flow of 300 L/min or 80 US gallons per minute. It operates within a flow range of 20 to 300 L/min, making it suitable for a variety of hydraulic applications.
Question by: Cody W on Aug 1, 2025, 8:01 AM
porting on this thing, is it SAE ORB or something else? trying to figure out if it'll bolt right into an existing manifold we've got running 1-7/8" fittings
Answer by: Customer Support on Aug 3, 2025, 7:23 AM
Main ports are 1-7/8" -12UN #24 SAE ORB, so if your manifold is already set up for that size ORB, you're in good shape. There are also top ports in 1/4" NPTF if you need to tap into those for a gauge or sensor. No adapters needed on the main line assuming your manifold matches that thread spec.