Dwyer Instruments HFPC-3-4 Flow Meter

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Plastic Flow Meter, Polycarbonate Body, Polysulfone Connections, 1" NPT, 3 to 30 GPM and 11-113 LPM Range

Dwyer Instruments HFPC-3-4 Flow Meter – 1" Polycarbonate Inline Flowmeter (3–30 GPM / 11–113 LPM)

Monitor and control your fluid systems with precision using the Dwyer Instruments HFPC-3-4 Flow Meter, a durable and versatile inline flowmeter designed for industrial and process applications. Featuring a clear polycarbonate body and polysulfone connections, this flowmeter offers reliable visual inspection and accurate measurement of fluid flow in gallons per minute (GPM) or liters per minute (LPM).

Product Overview

The HFPC-3-4 Flow Meter is part of Dwyer’s Series HFPC/HFPS flowmeters, designed for indoor use or areas shielded from direct sunlight. Its rugged construction, dual-scale readings, and injection-molded polycarbonate body make it ideal for chemical processing, hydraulic systems, fluid power, heating loops, and process control.

Key Features & Benefits

• Clear Polycarbonate Body – Allows easy visual inspection of fluid flow and immediate detection of irregularities

• Dual Scale Measurement – Measures flow in GPM and LPM for flexible use

• Rugged Construction – High pressure and temperature rating ensures long operational life

• Versatile Installation – Multi-position mounting accommodates various flow directions

• Durable Connections – Polysulfone fittings for reliable indoor operation

• Accurate & Repeatable – Injection-molded construction ensures consistent measurements

Specifications

• Manufacturer: Dwyer Instruments

• Model Number: HFPC-3-4

• Flow Range: 3–30 GPM (11–113 LPM)

• Size: 1" NPT

• Body Material: Polycarbonate

• Connection Material: Polysulfone

• Application: Indoor use only; avoid direct sunlight

• Product Type: Flow Meter

• Safety Info: California Proposition 65 Warning Applies

Applications

• Chemical processing and treatment systems

• Hydraulic flow monitoring and fluid power systems

• Pulp and paper process control

• Heating loop and industrial fluid systems

Why Choose Dwyer Instruments Flow Meters?

The Dwyer HFPC-3-4 Flow Meter combines precision, durability, and versatility in one compact design. Its clear body, accurate dual-scale readings, and robust construction make it a trusted choice for industrial professionals and process engineers seeking reliable, long-lasting flow monitoring solutions.