Spring-Supported PTFE Hose for Controlled Bending in Process Equipment

Product Introduction

Highly flexible hoses solve one problem but can create another:

too much flexibility can make the hose difficult to control.

In crowded industrial equipment, a flexible line may sag, shift position or bend more sharply than intended when installed around pumps, tanks and machine structures.

The JCC-20000-PTFE inner-smooth outer-corrugated spring hose adds a 304 stainless steel spiral spring around the PTFE structure.

This gives the hose a combination of:

smooth internal flow + external flexibility + mechanical shape support.

Why Add a Spiral Spring?

The spring is not simply decorative reinforcement.

It helps support the hose body when the line is bent or routed through equipment.

This can help:

• Reduce uncontrolled deformation

• Support the hose around curves

• Maintain more predictable routing

• Protect the flexible PTFE structure

• Reduce excessive local bending

• Improve installation stability

This is particularly useful where the hose must remain flexible but should not collapse into irregular shapes.

Smooth Inner Wall for Process Fluids

The hose uses a smooth PTFE inner surface.

This provides a different flow path from a fully convoluted PTFE hose.

A smooth inner wall can help reduce:

• Fluid retention

• Internal turbulence

• Material buildup

• Cleaning difficulty

Meanwhile, the corrugated external geometry allows the hose body to remain flexible.

A Balanced Structure for Equipment Designers

The JCC-20000 series sits between two very different hose concepts.

A straight smooth PTFE tube provides a clean flow path but offers less flexibility.

A fully convoluted hose provides high flexibility but has corrugations on the material-contact side.

The spring-supported structure combines:

• Smooth internal PTFE

• Flexible external convolutions

• 304 stainless steel spiral support

This gives equipment manufacturers another option when neither extreme is ideal.

Suitable for Heated Process Media

The catalog lists the hose for transferring:

• Highly corrosive chemicals

• Hot air

• Hot oil

• Steam

It also identifies applications in:

• Food processing

• Cosmetics

• Chemical industry

• Pharmaceutical industry

Final compatibility depends on the exact medium and operating conditions.

High and Low Temperature Performance

The catalog specifies:

-65°C to +260°C

This wide range allows the hose to be considered for heated process equipment as well as lower-temperature installations.

Where Spring Support Is Most Useful

The structure can be valuable when:

• A hose runs horizontally over a longer unsupported section

• Several bends occur close together

• The hose passes around equipment components

• The line is installed in a confined process skid

• Stable hose positioning is desirable

• Hot media require both flexibility and structural support

Typical Applications

• Hot-oil equipment

• Steam-related process lines

• Heated chemical transfer

• Pharmaceutical process machinery

• Food-processing systems

• Cosmetics production

• Flexible pump connections

• Process skids

• Chemical handling equipment

• Customized OEM machinery

Why Proper Routing Still Matters

The spring improves structural support, but the hose should still be installed correctly.

Avoid:

• Bending below the specified radius

• Twisting the hose during installation

• Excessive side loading on fittings

• Sharp contact with machine edges

• Unsupported heavy end connections

Good hose routing can significantly influence service life.

Customization Information

For custom production, please provide:

• Transferred medium

• Working temperature

• Normal pressure

• Maximum pressure

• Hose length

• Inner diameter

• Minimum bending radius

• Installation orientation

• End fittings

• Static or moving application

• Original sample or drawing