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Cone Sealing Couplings

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24° sealing cone fittings

24° stainless steel sealing cone fittings provide a secure pipe connection for hydraulic and industrial applications. Thanks to the O-ring seal in the 24° internal cone, they combine high leak tightness, easy installation, and reliable performance even under pressure fluctuations and vibrations. They are suitable for numerous machine and plant engineering applications and can be combined with many components of the 24° pipe fitting system. 

Stainless Steel 24° Cone Sealing Couplings - Many Combinable Variants

Important information on technical changes, applications, standards and guidelines

Description

Description of a 24° Sealing Cone Fitting

24° sealing cone fittings are metal pipe fittings with an additional elastomer seal. Sealing is achieved by an O-ring on the sealing cone, which seals into a 24° internal cone in accordance with DIN 3861 when the fitting is tightened. This results in a particularly secure and low-leakage connection.

The direction-adjustable design allows for flexible alignment of the fitting during installation. At the same time, the connection remains capable of withstanding continuous loads and is vibration-resistant. Many designs can be connected directly to threaded fittings with a 24° internal cone and are therefore compatible with existing piping systems. 

Function

Functional Description of a 24° Sealing Cone Screw Connection

During pre-assembly, the cutting ring is pressed through the union nut into the 24° cone of the pre-assembly spigot. The cone is used to guide the cutting edges into the surface of the pipe, creating an incision with both cutting edges.

A ring-shaped material build-up forms on the surface of the pipe at the end of the cutting edge

If the pipe is cut at an exact right angle and deburred cleanly, three prominent points can be sealed in the fully assembled fitting.

Pre-assembly in the connecting piece is not possible, as this would damage the sealing surface. Only the final assembly of the screw connection takes place in the connection piece. Please also refer to our installation instructions and videos with the corresponding pipe recommendations to ensure that the fitting works perfectly.

Applications and Industries

24° conical screw fittings are the preferred choice for:

  • Hydraulic systems
  • Machinery and plant engineering
  • Process industry
  • Chemical industry
  • Hydrogen applications
  • Offshore and marine applications
  • Energy and Environmental Technology
  • Test Bench and Measurement Technology
  • Food and Beverage Industry
  • Water and Media Supply

Sealing cone fittings offer significant advantages, particularly in applications with increased requirements for leak-tightness, ease of maintenance, and corrosion resistance.

Features and technical information

  • Material: Stainless steel
  • Sealed with an O-ring in the 24° internal cone
  • Directional versions available
  • High leak resistance
  • Minimal cross-sectional restriction
  • High vibration resistance
  • High resistance to pressure cycling
  • Quick and easy installation
  • Low tightening torque
  • Long service life
  • Can be combined with numerous 24° system components
  • Straight fittings
  • Angle fittings
  • T-fittings
  • Screw-in fittings
  • Reducers
  • Bulkhead fittings
  • Screw-on fittings
  • Adapters for metric threads
  • Adapters for BSP threads
  • Adapters for NPT threads
  • Directionally adjustable designs

Advantages

High Leak-Resistance

Sealing is achieved using an elastomer-backed O-ring. This ensures permanently tight connections even in the face of pressure fluctuations and vibrations. 

Quick Installation

The defined tightening path simplifies installation and reduces the time required compared to many other connection systems. 

Flexible Alignment

The rotatable union nut allows for directional adjustment during assembly and simplifies the installation of complex piping systems. 

High System Compatibility

Sealing cone fittings can be combined with numerous components of the 24° pipe fitting system. These include, for example, threaded nipples, cutting-ring fittings, weld-on cones, and other 24° connection systems.

Corrosion Resistance

The stainless steel version is particularly suitable for demanding environmental conditions and corrosive media

Special Features

A key advantage of the 24° sealing cone system is the combination of a metal guide and an elastomer seal. This ensures a high level of sealing effectiveness while also simplifying installation.

For plant engineers, the interchangeability within the 24° system offers additional flexibility. Many sealing cone fittings can be directly adapted to existing connections with a 24° internal cone in accordance with DIN 3861. This simplifies planning, maintenance, and spare parts management.

24° sealing cone fittings

24° stainless steel sealing cone fittings provide a secure pipe connection for hydraulic and industrial applications. Thanks to the O-ring seal in the 24° internal cone, they combine high leak tightness, easy installation, and reliable performance even under pressure fluctuations and vibrations. They are suitable for numerous machine and plant engineering applications and can be combined with many components of the 24° pipe fitting system. 

Stainless Steel 24° Cone Sealing Couplings - Many Combinable Variants

Certificates

Managementsystem | Management System
DNV: ISO 9001:2015 Qualitätsmanagement / Quality Management
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DNV: ISO 14001:2015 Umweltmanagement / Environmental Management
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