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Hose fittings EN14420

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  • Hose fittings EN14420

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  • re-usable
  • flat sealing
  • easy assembly
  • occupational safety
  • environmental protection
  • safety collar
  • EN 14420
  • Highlights
  • Description
  • Technical Data / Downloads
  • Configurator
Highlights

Flat-sealing threads

In this way, the connection is particularly durable and can be well maintained.

 

Re-usability

The hose fittings can easily be re-installed at a different location after removal.

Easy assembly

The installation of the hose fittings is quick and easy.

 

High quality and strength

By selecting high-quality processing methods, the highest quality can always be guaranteed.

Description

The safe connection for all industries

Hose fittings as per EN 14420 are considered a safe and high-quality connection between the hose and the plant within the given pressure and temperature ranges (for higher pressures and temperatures integration as per EN 14423 is available). They can be used in almost all industrial areas; they are particularly suitable for applications with media hazardous to humans (occupational safety) and the environment (environmental protection). 

Hose fittings as per EN 14420 – also called flanged hose fittings – consist of a connector with a safety collar and a set of clamp fittings with safety collar. The connector is inserted into the hose and carries the respective selected connecting end. The hose is then pressed onto the connector from the outside by means of the clamp fittings. The clamp fittings are equipped with threaded ferrules on their inside, to which the hose will attach when properly assembled. After proper assembly, the safety collar of the clamp fitting inserts into the safety groove of the safety clamp thus safely holding the hose on the connector.

Screw-on clamp fittings offer the advantage that they can accommodate hose tolerances and different hose dimensions. In this context, the clamping area of the clamp fitting must be carefully checked prior to use. Clamp fittings can be re-tightened and re-used at any time.

In some industrial areas, swaged ferrules are used instead of the screw-on clamp fittings. The connection consists of a metallic sleeve with a retaining collar and a hose coupling with a safety collar. Therefore RS provides swaged ferrules suitable for the clamp fittings as per EN14420-2 for universal use. However, we expressly note that there is no standard for this integration with swaged ferrules. The success of a technically correct and tight hose integration by pressing is influenced by different parameters. This includes, for example, the hose materials and dimensions, the swaged ferrules and connector geometries as well as the selected pressing dimensions. The correct pressing dimensions must be identified and validated per application by the technician performing the pressing operation.

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Technical Data / Downloads

Materials

Connector

  • Stainless steel (1.4571, 1.4408, 1.4404)
  • Brass
  • Aluminium
  • Steel zinc plated and blue passivated.
  • Polypropylene

Clamps 

  • Stainless steel
  • Aluminium
  • Brass

Swaged ferrule 

  • Stainless steel

 

Connections

  • Female threads, male threads, (all threads are flat-sealing)
  • Lapped flange, fixed flange
  • Weld end
  • Quick couplings such as tank wagon couplings or Storz

 

Seals

  • Brass, steel: PUR
  • Stainless steel: PTFE

 

Pressure area

  • up to 25 bar for steel, stainless steel and brass connectors
  • up to 16 bar for aluminium connectors
  • up to 10 bar for polypropylene connectors

 

Temperature range

  • - 20 to 65°C

 

Applications

  • Plant engineering and construction
  • Refuelling, Loading & Unloading
  • Chemical industry
  • Power plant engineering
  • Offshore
  • Petrochemical industry
Configurator


Configuration

Male hose fitting for safety clamps EN 14420

Female hose fitting for safety clamps EN 14420

Hose fitting for safety clamps with swivel flange EN 14420

Hose fitting for safety clamps with fixed flange EN 14420

Hose fitting for safety clamps with welding end EN 14420

Hose fitting for safety clamps with clamp connection

Hose fitting with aseptic connection

Hose fitting for safety clamps with tank truck coupling

Hose fitting for safety clamps with camlock coupling

Hose fitting for safety clamps with camlock coupling with latch

Hose mender with hose fitting for safety clamps

Safety clamps for hose fittings EN 14420-3

Crimping ferrules for hose fittings

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