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Intermediate sleeve Ø30 (for flaring)

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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Intermediate sleeve Ø30 for flaring hydraulic pipes

The Ø30 intermediate sleeve for flaring is a connection element designed for the construction and repair of installations using steel pipes with an outer diameter of 30 mm. It is used in flared connection systems where the end of the pipe is appropriately formed, and the sleeve works with a matching nut and connector. This solution is used in power hydraulics, machine pipe installations, and industrial hydraulic oil transmission systems.

The Ø30 designation refers to the 30 mm outer diameter of the pipe. The sleeve is an element of a flared connection, so it should not be confused with a cutting ring or a crimp sleeve designed for swaging flexible hydraulic hoses. Correct selection requires checking the pipe dimensions and the compatibility of all mating connection elements.

Technical parameters of the Ø30 intermediate sleeve

Product type: intermediate sleeve for flaring.
Nominal size: Ø30.
Outer diameter of the mating pipe: 30 mm.
Connection type: flared pipe connection.
Intended use: steel pipes used in hydraulic installations.
Application: power hydraulics, machine service and industrial installations.
Mating elements: appropriately selected nut, connector and flared pipe.
HYDRON product code: TUL POŚ FI 30.

Application of the Ø30 sleeve in power hydraulics

The Ø30 intermediate sleeve is used when making connections for rigid pipes in hydraulic installations. Such solutions are found in construction, agricultural and industrial machinery, hydraulic power units, presses and technological equipment. The element can be used both during the creation of a new installation and when replacing a damaged section of a pipeline.

Flared connections require precise preparation of the pipe end. The proper fit of the sleeve, nut and connector is important for correct clamping and the tightness of the entire assembly. For pipes with a diameter of 30 mm, proper support and reduction of assembly stresses must also be ensured.

How does a Ø30 flared pipe connection work?

In a flared connection, the end of the pipe is formed using an appropriate tool. The resulting flare works with the connector elements, and the nut provides the required clamping force. The intermediate sleeve is part of such a prepared connection. The sealing method and flare geometry requirements depend on the connection system used.

Tightness depends on the quality of the pipe preparation, the appropriate geometry of the mating surfaces and correct assembly. An incorrectly formed flare, damaged contact surface or incompatible nut can cause leaks during system operation.

Selection of the intermediate sleeve for a 30 mm steel pipe

The primary selection parameter is the pipe's outer diameter of 30 mm. However, wall thickness, the type of flare being made, the connector geometry and the nut type must also be considered. Pipes 30x2.5 mm and 30x3 mm have the same outer diameter but different wall thicknesses, which may affect the requirements for end forming.

The HYDRON offer also includes flaring nuts designed for pipes in the Ø30–Ø32 range, including a variant with a 1.5/8 UNF thread. When selecting such an element, ensure its design matches the sleeve and the connection system used. Pipe diameter compatibility alone is not sufficient confirmation of compatibility.

Flaring sleeve vs. cutting ring – differences

The intermediate sleeve for flaring and the cutting ring belong to different pipe connection systems. In a flared system, the pipe end is pre-formed, while in a cutting connection, the ring clamps onto an appropriately prepared pipe. These elements should not be used interchangeably without confirmation of the connection design.

The Ø30 sleeve is also not a sleeve for crimping hydraulic hoses. For flexible rubber hoses, fittings selected for the DN size, hose construction and end type are used. The described product is intended for rigid steel pipe connections.

Installation of the Ø30 intermediate sleeve

Before assembly, check the condition of the pipe, its diameter and wall thickness. The end should be prepared according to the requirements of the flaring system. Cracks, excessive deformation, dents and damage to the sealing surfaces are unacceptable. It is also necessary to ensure that the sleeve and nut are placed on the pipe in the correct order before making the connection.

When assembling the installation, avoid forcing the pipe position and transferring stresses to the connector. Tightening should be carried out according to the requirements of the applied system, without replacing correct assembly with excessive force. After starting the system, check the tightness of the connection under the conditions intended for the hydraulic installation.

Key advantages of the Ø30 intermediate sleeve

Intended for flared connections of steel pipes.
Fits 30 mm outer diameter pipes.
Can be used in power hydraulics installations.
Useful during construction and repair of machine pipelines.
Works with appropriately selected nuts and connectors.
Can be used for the modernization of industrial installations.
A separate connection element facilitating the assembly of fittings.

Technical specification

Parameter	Value
Product name	Intermediate sleeve Ø30
Connection type	Flared
Outer pipe diameter	30 mm
Intended use	Steel hydraulic pipes
Field of application	Power hydraulics, pipe installations
Product code	TUL POŚ FI 30
Barcode	0200000021542

Frequently Asked Questions (FAQ)

What pipe does the Ø30 intermediate sleeve fit?

The sleeve is designed for flared connections of steel pipes with an outer diameter of 30 mm. The wall thickness and compatibility of the entire connection system should also be checked.

Does the Ø30 sleeve replace a cutting ring?

No. The flaring sleeve is designed for a different method of connecting pipes than a cutting ring. These elements are not automatically interchangeable.

Is a nut required for the intermediate sleeve?

Yes. To complete the connection, the proper nut and connector corresponding to the flaring system and pipe diameter must be selected.

Is the sleeve suitable for crimping a hydraulic hose?

No. The product is intended for steel pipe connections. For crimping flexible hoses, other sleeves and hydraulic fittings are used.

Can the sleeve be used for a 30x2.5 or 30x3 mm pipe?

Both pipes have an outer diameter of 30 mm. However, before application, you should confirm that the selected flaring system allows for the given wall thickness and ensures proper connection geometry.