Hydraulic Hose Selection FAQ
How do I choose a hydraulic hose?
Choose a hydraulic hose by matching size, temperature, application, media, pressure, ends, and delivery, often summarized by the STAMPED method. Matching all factors ensures safety and long life.
What is the STAMPED method for hose selection?
STAMPED stands for Size, Temperature, Application, Media, Pressure, Ends, and Delivery, the key factors for selecting the correct hydraulic hose. Using it helps avoid mismatched or unsafe hose choices.
What temperature can hydraulic hoses handle?
Temperature limits vary by hose material, but rapid swings between hot and cold shorten hose life more than steady heat by causing constant expansion and contraction. Always check the hose's rated temperature range.
Why do coolant lines need different hoses than hydraulic oil?
Coolant lines carry water-based fluids, which require different hose materials than petroleum-based hydraulic oils. Using the wrong hose can cause the material to break down.
Can I use EPDM hose with hydraulic oil?
No, EPDM should not be used with oil-based hydraulic fluids because petroleum causes it to swell, soften, and fail. EPDM is suited to water-based systems instead.
How long do hydraulic hoses last?
Hydraulic hose life depends on pressure, temperature swings, bend radius, and fluid compatibility, and can vary widely with use. Regular inspection helps catch wear before failure.
What is a crimped hose fitting?
A crimped hose fitting is permanently attached to a hose by compressing a collar around it with a crimping machine, creating a strong, leak-resistant connection. It's the most common method for high-pressure hoses.
What is the difference between rubber and thermoplastic hoses?
Rubber hoses are flexible and widely used, while thermoplastic hoses are lighter, more abrasion resistant, and popular in demanding applications like car washes. The best choice depends on the application.
What is a hydraulic hose fitting?
A hydraulic hose fitting is the connector attached to a hose end that links it to equipment ports and other components. They come in crimped and field-attachable styles and many thread types.
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