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The Power of High Pressure: Technical Guide on 1000 Bar Hydraulic Hoses

The Power of High Pressure: Technical Guide on 1000 Bar Hydraulic Hoses


The Power of High Pressure: Technical Guide on 1000 Bar Hydraulic Hoses

When it comes to power transmission in the industrial world, one of the most critical components that comes to mind is hydraulic hoses. However, when it comes to  ultra-high pressure levels like 1000 Bar (14,500 PSI), standard solutions fall short. In this article, we will explore the technical specifications, uses, and selection criteria of 1000 Bar hydraulic hoses, which are indispensable for extreme pressure applications.

What is 1000 Bar Hydraulic Hose?

1000 Bar hydraulic hoses  are specialized engineered products with multiple layers of steel wire reinforcement, often falling under the Ultra-High Pressure (UHP) category. These hoses do not only transmit fluid; it also directs tremendous energy safely.

Technical Structure and Layers

To withstand this level of pressure, the hose typically has the following construction:

  1. Inner Tube: Usually made of synthetic rubber or thermoplastic (POM or PA12) material. It has high chemical resistance.
  2. Reinforcement Layer: For 1000 Bar pressure, 4 or 6 layers of spiral-wound high-strength steel wire  are usually used. Braid-type hoses are rarely preferred at these pressure levels; Spiral winding minimizes expansion under high pressure.
  3. Outer Coating: Synthetic rubber or polyurethane that is resistant to abrasion, ozone, and external impacts.

Key Performance Parameters

When selecting a 1000 Bar hose, the following technical data should be considered:

Feature

Description

Working Pressure

1000 Bar (14,500 PSI)

Burst Pressure

Usually 2.5 or 4 times the working pressure (Safety Factor)

Temperature Range

Usually between and

Flexibility

It is stiffer than standard hoses due to the high number of layers

Uses: Where is this power needed?

Pressures of 1000 Bar and above are used in special operations that require precision and enormous power:

  • Hydraulic Torquing and Tensioning: For bolt tightening and loosening operations.
  • Shipbuilding and Repair: Installing propellers or lifting large structures.
  • Rail Systems: Wheel and axle assembly processes.
  • Test Equipment: Pressure testing of hydraulic components (test stands).
  • Rescue Equipment: Cutting and separating tools used by firefighters and rescue teams.

Safety Note: Beware of "Pinhole" Leak!

A small leak under 1000 Bar pressure can be as dangerous as a bullet. Hydraulic oil at this pressure can penetrate under the skin, leading to severe tissue damage.

Safety Tips:

  • Never check hoses with bare hands.
  • Use hose protective sleeves (spiral spring or textile sleeve).
  • Ensure that the union connections are fully compatible with the hose and pressed at a certified dealer.

Conclusion and Selection Advice

When buying a 1000 Bar hydraulic hose, you should focus not only on the price but also  on compliance with international standards such as ISO 18752 or SAE J517 and the manufacturer's testing certificates. Choosing the wrong hose can lead not only to loss of work, but also to life-threatening situations.

Would you like to determine the most suitable hose type for your system or get technical support? You can share the temperature and fluid type in your working environment so that I can prepare a special offer for you.