OTC Hydraulic Flow Meter: Hydraulic Flow Meter, 2.5 to 100 gpm Capacity, 1/2 in Size
The OTC Hydraulic Flow Meter (MPN 4278A) is a 1/2 in tool type hydraulic flow meter with a capacity of 2.5 to 100 gpm. It includes extra burst discs. 3G Electric interprets customer demand and delivers genuine…
SKU 3G-OTH-497049
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Product Description
The OTC Hydraulic Flow Meter (MPN 4278A) is a 1/2 in tool type hydraulic flow meter with a capacity of 2.5 to 100 gpm. It includes extra burst discs. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including OTC, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is the OTC Hydraulic Flow Meter used for?
The OTC Hydraulic Flow Meter measures flow rate in hydraulic systems, helping technicians diagnose pump performance, valve leakage, and circuit efficiency. It is commonly used in mobile and industrial equipment maintenance, with a capacity of 2.5 to 100 gpm.
What are the specifications of the OTC Hydraulic Flow Meter 4278A?
The OTC Hydraulic Flow Meter (MPN 4278A) has a 1/2 in size, a capacity of 2.5 to 100 gpm, and includes extra burst discs. It is a tool-type flow meter designed for hydraulic system diagnostics. 3G Electric supplies this genuine OTC unit worldwide.
Where to buy the OTC Hydraulic Flow Meter worldwide?
3G Electric supplies the OTC Hydraulic Flow Meter (MPN 4278A) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine OTC unit for your hydraulic testing needs.
How to install the OTC Hydraulic Flow Meter?
Install the OTC Hydraulic Flow Meter in the hydraulic line using the 1/2 in ports, ensuring flow direction matches the arrow on the body. Follow standard hydraulic safety practices: depressurize the system, use proper fittings, and verify burst discs are intact before operation.
Used in
Common applications for OTCOTC Products
3G Electric supplies OTC hydraulic flow meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


