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HEDLAND H771A-250 Inline Flowmeter for Air & Compressed Gases - Inline Flowmeters for Air & Compressed Gases
HEDLANDInline Flowmeters for Air & Compressed Gases

HEDLAND H771A-250 Inline Flowmeter for Air & Compressed Gases

The HEDLAND Mechanical Flowmeter is an inline variable-area flowmeter for air and compressed gases, featuring a scale display with +/-2% accuracy. It includes Viton O-rings and seals, mounts in any orientation, and…

SKU 3G-OTH-91012

Also listed as: H771A250 · H771A 250

Brand
HEDLAND
Item
H771A-250 Inline Flowmeter for Air & Compressed Gases
Part Number
H771A-250
Category
Inline Flowmeters for Air & Compressed Gases
Available to Order
Also known as:H771A-250HEDLAND
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Technical Specifications

HEDLAND
Manufacturer Part Number
H771A-250
Type
Scale, Variable Area, Inline, Universal
Accuracy
+/-2%
Display Type
Scale
Seal Material
Viton
O-Ring Material
Viton
Unit Of Measure
Gallons
Mounting Orientation
Universal
Includes Pressure Guage
No
Includes Flow Rate Adjustment Knob
No

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HEDLAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HEDLAND Mechanical Flowmeter is an inline variable-area flowmeter for air and compressed gases, featuring a scale display with +/-2% accuracy. It includes Viton O-rings and seals, mounts in any orientation, and measures flow in gallons. This model (MPN H771A-250) does not include a pressure gauge or flow rate adjustment knob.

Frequently Asked Questions

What is the HEDLAND H771A-250 mechanical flowmeter used for?

The HEDLAND H771A-250 is an inline variable-area flowmeter designed to measure the flow rate of air and compressed gases in industrial systems. It is commonly used in pneumatic circuits, compressor monitoring, and gas distribution lines where a reliable, mechanical scale display with +/-2% accuracy is required.

What are the specifications of the HEDLAND H771A-250 flowmeter?

The HEDLAND H771A-250 is a scale-type, variable-area, inline flowmeter for air and compressed gases. It features Viton O-rings and seals, universal mounting orientation, and measures flow in gallons. Accuracy is +/-2%. It does not include a pressure gauge or flow rate adjustment knob.

Where to buy the HEDLAND H771A-250 flowmeter worldwide?

3G Electric supplies the HEDLAND H771A-250 mechanical flowmeter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model.

How to install the HEDLAND H771A-250 flowmeter?

Install the HEDLAND H771A-250 in any orientation, as it features universal mounting. Ensure the pipe is clean and use compatible fittings for air or compressed gas service. The Viton seals provide chemical resistance. Follow standard inline flowmeter practices: allow straight pipe runs upstream and downstream per manufacturer guidelines.

Used in

Common applications for HEDLAND
Hydraulic systems — Hedland inline flowmeters for oils, such as the H601A series, provide local flow verification on power units and test stands.
Lubrication circuits — Hedland variable-area meters with Viton seals measure oil flow to bearings and gears in industrial machinery.
Cooling water lines — Hedland flowmeters for water, often with stainless steel bodies, monitor flow in heat exchangers and cooling loops.
Chemical processing — Hedland meters with corrosion-resistant wetted parts indicate flow of compatible chemicals in batch and continuous processes.
Mobile equipment — Hedland flow switches and meters are used on construction and agricultural machinery for hydraulic system monitoring.
Marine and offshore — Hedland flowmeters with high-pressure ratings and marine-grade materials serve in ballast and fuel oil systems.
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HEDLAND Products

3G Electric supplies HEDLAND inline flowmeters for air & compressed gases. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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