Steam fittings

Steam fittings are a specialised type of fitting, designed to handle the hazardous medium of steam. Due to the high degree of risk, special attention is recommended in the selection of hoses, fittings and couplings for this type of installation. All components should meet the necessary criteria, especially those relating to pressure and temperature. 

The steam fitting comes in two basic types: in the BOSS system or in the EN 14423 standard construction (old DIN2826 standard). Despite some similarities, these varieties differ in construction. The former have standard bolted clamps, while the latter have bolted shell clamps.

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STEAM MALE COUPLING BSPT STAINLESS STEEL 316 INPART24

STEAM MALE COUPLING BSPT - SS 316

Material

SS

Work pressure

18 bar

Threat

male BSPT

MATERIAL: SS 316 | THREAT: OUTER BSPT | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 45.98zł
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STEAM COUPLING MAKE THREAD BSPT WITH HOSETAIL BRASS INPART24

STEAM MALE COUPLING BSPT - BRASS

Material

brass

Work pressure

18 bar

Threat

male BSPT

MATERIAL: BRASS | THREAT: OUTER BSPT | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 33.39zł
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STEAM COUPLING FEMALE THREAD STAINLESS STEEL SS 316 WITH HOSETAIL INPART24

STEAM FEMALE COUPLING - SS 316

Material

SS

Work pressure

18 bar

Threat

inner

MATERIAL: AISI 316 | THREAT: INNER | RETAINING COLLAR | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 53.99zł
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STEAM COUPLING WITH MALE THREAD AND HOSETAIL GALVANIZED STEEL INPART24

STEAM MALE COUPLING - GALVANIZED STEEL

Material

galvanized steel

Work pressure

18 bar

Threat

male

MATERIAL: GALVANIZED STEEL | THREAT: OUTER | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 37.39zł
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STEAM COUPLING MALE THREAD NPT WITH HOSETAIL STAINLESS STEEL INPART24

STEAM MALE COUPLING NPT - SS 316

Material

SS

Work pressure

18 bar

Threat

male NPT

MATERIAL: AISI 316 | THREAT: OUTER NPT | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 45.98zł
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STEAM COUPLING MALE THREAD WITH HOSETAIL BRASS INPART24

STEAM MALE COUPLING NPT - BRASS

Material

brass

Work pressure

18 bar

Threat

male NPT

MATERIAL: BRASS | THREAT: OUTER NPT | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 33.39zł
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STEAM COUPLING SWIVEL FLANGE STAINLESS STEEL WITH HOSETAIL INPART24

STEAM COUPLING WITH A SWIVEL FLANGE - SS

Material

SS

Work pressure

18 bar

Flange

swivel

MATERIAL: AISI 316 | SWIVEL FLANGE | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 1100.59zł
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STEAM SAFETY CLAMPS EN 14423 BRASS INPART24

STEAM SAFETY CLAMP EN 14423 - BRASS

Material

brass

Bolt material

SS

Norm

EN 14423

MATERIAL: BRASS | SCREW MATERIAL: AISI 304 | NORM: EN 14423

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from 97.81zł
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STEAM SAFETY CLAMPS STAINLESS STEEL SS 316 EN 14423 INPART24

STEAM SAFETY CLAMP EN 14423 - SS 316

Material

SS

Bolt material

SS

Norm

EN 14423

Norm

DIN 2826

MATERIAL: AISI 316 | BOLT MATERIAL: AISI 304 | NORMS: EN 14423, DIN 2826

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from 66.77zł
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STEAM COUPLING WITH SWIVEL FLANGE AND HOSETAIL GALVANIZED STEEL INPART24

STEAM COUPLING WITH A SWIVEL FLANGE - GALVANIZED STEEL

Material

galvanized steel

Work pressure

18 bar

Flange

swivel

MATERIAL: GALVANIZED STEEL | SWIVEL FLANGE | HOSETAIL FOR SAFETY CLAMPS DIN 2826

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from 324.14zł
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Steam fittings - Steam hose fittings

What are BOSS steam fittings?

BOSS steam fittings are steam fittings designed for rubber hoses. They are a key component in systems for the transfer of steam and other media such as air or petrochemical products.

What materials are BOSS steam fittings made of?

BOSS steam fittings are made from a wide variety of materials:

  • carbon steel,
  • cast iron, 
  • stainless steel,
  • brass.

As a result, they provide durability and reliability in harsh working conditions.

The specification of these components includes both male and female threaded ends, as well as various types of adaptors.

What are the features of BOSS steam fittings?

The main features of BOSS steam fittings are:

  • durability and functionality, 
  • advanced sealing solutions, 
  • accurate selection and assembly, 
  • good operating parameters.

Durability and functionality

A distinctive feature of the BOSS system is the corrugated tail of the hose end, equipped with a safety lock (collar) for increased safety of use. The clamps have catches (claws) that grasp this lock, and they can be fitted with 2, 4 or 6 screws, depending on the size.

In addition, the carbon steel and cast iron from which some of the components are made have been additionally galvanised to provide protection against corrosion.

Advanced sealing solutions

Particularly noteworthy are the GF female threaded ends, which incorporate a special adaptor. It is screwed into the nut and fitted with a tapered seat with an integrated copper or polymer gasket. This design provides a “soft” seal, optimising system performance and reliability.

In addition, the lug nut has protrusions that allow unscrewing and tightening without the need for a spanner, making installation considerably easier.

Accurate selection and assembly

To ensure maximum efficiency and safety, the selection of hose mounting clamps must be carried out with extreme care. Key to this is consideration of the internal diameter and wall thickness of the hose.

Good operating parameters

BOSS ends and clamps are designed to perform under extreme conditions. They can withstand an operating pressure of 18 bar and the maximum temperature can reach up to 232°C (for steam) and 120°C (for water). This makes them an indispensable part of installations in many industries.

They are suitable for transferring both steam and other media (such as air, water or petrochemicals).

What are EN 14423 steam fittings?

Steam fittings EN 14423 are connectors that play a key role in systems for the transfer of steam and other media such as air, water or petrochemicals. Designed for use with rubber hoses, these components combine strength and adaptability, making them suitable for many industries.

What materials are EN 14423 steam fittings made of?

EN 14423 steam fittings are made from a variety of materials, such as:

  • galvanised carbon steel, 
  • stainless steel, 
  • brass.

This guarantees durability and corrosion resistance.

As for the construction itself, the couplings are characterised by the presence of external and internal threads and a corrugated hose tail with a locking (collar).

What should you pay attention to when choosing steam clamps?

When it comes to clamps, it is worth noting their specific shell-type construction, which is considered to be very robust. They grip the end lock and are bolted together using four screws.

This ensures a solid connection and ease of installation.

However, special care should be taken when selecting hose mounting clamps, taking into account parameters such as the internal diameter or wall thickness of the hose.

What are the operating parameters of the EN 14423 steam fittings and clamps?

In terms of operating parameters, EN 14423 steam fittings and clamps show impressive performance. They can withstand pressures of 18 bar and operate at temperatures of up to 232°C for steam and up to 120°C for water.

This makes them extremely versatile and suitable for use in a wide variety of industrial environments.

FAQ

What to consider when choosing steam fittings?

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When selecting steam fittings, there are several key aspects to consider, such as: the fitting material (should be heat- and corrosion-resistant), permissible operating pressure and temperature, thread type and size (match the installation in question), gasket type (should be heat- and pressure-resistant) and installation instructions (must be strictly followed!).

Are collets suitable for rubber steam hoses?

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Collets are not suitable for rubber steam hoses. This is because the rubber gradually loses its elasticity during use and the collets can no longer be pressed down further. This can lead to leakage or a very dangerous pulling out of the hose end. The only exceptions are hoses and fittings that have undergone hours of validation testing.

What materials are steam fittings made of?

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Steam fittings are made from materials such as steel or galvanised cast iron, stainless steel and brass. Each of these is resistant to heat and corrosion, which is very important when working with steam.