Series BP made out of Carbon Steel

The flat-sealing plug-in coupling QRC-BP from STAUFF is a real "specialist" in the coupling range, as it was developed for the standard-compliant connection of detachable lines in hydraulic brake systems of agricultural machinery. This coupling is only available in a nominal size of DN 12.5 and is for operating pressures up to 150 bar. The coupling is easy and safe to operate. When coupling and uncoupling, the operator only has to pull back the sliding sleeve. Precision balls are used in the locking system.

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Male Tips for the BP  series made out of Carbon Steel
Male Tips for the BP  series made out of Carbon Steel
Male Tips for the BP series made out of Carbon Steel
Female Bodies for the BP  series made out of Carbon Steel
Female Bodies for the BP  series made out of Carbon Steel
Female Bodies for the BP series made out of Carbon Steel
Accessories for the BP  series made out of Carbon Steel
Accessories for the BP  series made out of Carbon Steel
Accessories for the BP series made out of Carbon Steel

Buy flat-face plug-in couplings from the BP series from STAUFF in the online shop

The flat-sealing push-in couplings from the STAUFF BP series are specially designed for hydraulic brake systems in agricultural technology. They fulfil the ISO 5676 standard and ensure a standard-compliant, secure connection of detachable lines - for example between tractors and trailers. With their robust steel construction, corrosion-resistant surface and reliable locking system, they offer maximum safety with minimum effort.

Thanks to the simple one-handed operation, the couplings can be coupled and uncoupled quickly and without tools. This makes them the ideal solution for applications where operational safety and freedom from leakage are top priorities.

Materials and surfaces

The QRC-BP plug-in coupling is made of hardened steel and has a resistant zinc/nickel surface coating. This provides reliable protection against corrosion - even during long periods of outdoor use or in contact with water and dirt.

  • High-quality steel for maximum mechanical resilience

  • Zinc/nickel coating for increased corrosion protection

  • Flat-face design - for drip-free uncoupling without oil loss

  • Precision balls in the locking system for a permanently secure hold

 

Product variants and sizes

The STAUFF QRC-BP series is standardised and is only available in the standardised nominal size DN 12.5 (1/2"). It complies with the international standard ISO 5676 and the French standard NFU 16006.

  • Nominal size: 12.5 (1/2")

  • Operating pressure: up to 150 bar

  • Standards: ISO 5676, NFU 16006

  • Bulkhead mounting possible on the plug side

  • Socket is supplied including blind plug / parking station

This specialisation makes the coupling the ideal choice for hydraulic brake systems on tractors and trailers.

Applications and areas of use

QRC-BP clutches are used wherever hydraulic brake circuits need to be connected or disconnected safely and reliably - typically in the agricultural machinery sector. Due to their compliance with standards and functionality, they are an established solution for manufacturers and users alike.

Typical applications:

  • Hydraulic brake systems for agricultural machinery

  • Connection of tractor and trailer

  • Detachable brake lines for mobile use

  • Hydraulic systems with increased safety requirements

Advantages and unique selling points

As a special clutch for hydraulic brakes, the QRC-BP series fulfils the highest requirements in terms of safety, reliability and ease of use. The flat-sealing design prevents oil from escaping when decoupling - an important criterion for systems with closed hydraulic circuits.

  • Specially designed for hydraulic brake lines in accordance with ISO 5676

  • Secure bulkhead mounting of the plug

  • Flat sealing - no oil loss, no air pockets

  • One-handed operation without tools

  • Captive locking due to integrated ball system

  • High-quality workmanship for long-lasting tightness

  • Corrosion protection through zinc/nickel coating

  • Blanking plug/parking station included as standard with the socket

Certifications and standards

The QRC-BP plug-in coupling was specially developed in accordance with ISO 5676 - an international standard for couplings on hydraulic brake lines of trailers and tractors. This is supplemented by the French standard NFU 16006, which is identical in content.

This standardisation ensures that the coupling can be integrated into existing systems and is compatible with other ISO-compliant components.

Data sheet for QRC-BP flat-sealing push-in couplings from STAUFF

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Frequently asked questions and answers about clutches for hydraulic brake systems from STAUFF

What area of application is the QRC-BP series designed for?

What is the nominal size of the BP series?

Can the QRC-BP coupling be coupled under pressure?

Which standards does the BP series fulfil?

Is the coupling protected against corrosion?

How does the locking mechanism work?

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Questions about the QRC-BP series from STAUFF

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