Bonfix Alu-Press Straight Coupling 50 mm – Brass Press Fitting for PEX-AL-PEX Pipe
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Description
What is this Bonfix alu-press fitting?
The Bonfix Alu-Press brass straight coupling 50 mm is a press fitting designed to connect two multilayer pipes (PEX-AL-PEX) with an outer diameter of 50 mm. This fitting is widely used in drinking water, heating and cooling systems where a reliable and leak-free connection is required.
The fitting is made of high-quality brass and features a stainless steel press sleeve with an EPDM seal. This ensures a durable connection that can withstand high pressure and temperature.
This 50 mm press coupling is commonly used in larger installations such as apartment buildings, commercial properties and main distribution lines, where higher flow capacity is required compared to smaller pipe sizes.
Why choose an alu-press fitting?
Press fittings are one of the most commonly used connection methods in modern installation systems. Unlike soldering or compression fittings, the connection is created by permanently pressing the fitting onto the pipe using a press tool.
This results in:
- fast installation
- leak-free connection
- high reliability
The PEX-AL-PEX system combines:
- flexibility of plastic
- dimensional stability of aluminium
- corrosion resistance of brass
This makes it highly suitable for modern installations in both residential and commercial environments.
Applications
This Bonfix 50 mm press coupling is used in various systems:
- drinking water systems
- central heating systems
- underfloor heating (main supply lines)
- cooling systems
- oil-free compressed air systems
The fitting is designed for multilayer pipe 50 × 4.0 mm and is compatible with multiple press profiles.
Advantages of this Bonfix press fitting
- quick installation using press tools
- reliable leak-free connection
- suitable for drinking water and heating systems
- corrosion-resistant brass
- compatible with multiple press profiles
- long service life
The use of press connections significantly reduces the risk of installation errors.
Installation and assembly advice
For correct installation, follow these steps:
- Cut the multilayer pipe square using a suitable pipe cutter
- Calibrate and deburr the pipe
- Insert the pipe fully into the fitting until it reaches the stop
- Press the connection using a suitable press tool
- Visually check the connection
Suitable press profiles include TH, H and U.
Always use tools and components that are compatible with the selected press system.
Why buy from Energyby?
Energyby specialises in high-quality installation materials for heating, plumbing and solar thermal systems. When you order from us, you benefit from:
- fast delivery from stock
- competitive pricing for professionals and DIY users
- reliable A-brands such as Bonfix
- expert technical advice
- a wide range of multilayer press fittings and accessories
Specifications
| Article number | 2000150 |
| EAN nummer | 8717845019150 |
| Brand | Bonfix |
| Model | Straight (muff) |
| Connection | Press |
| Number of connections | 2 |
| Connection diameter | 50x50 mm |
| Pipe size | 50x4.0 mm |
| Fitting material | Brass |
| Press sleeve material | Stainless steel |
| Sealing material | EPDM O-ring |
| Max. operating temperature | -20°C to +90°C |
| Peak temperature | 120 °C |
| Max. operating pressure | 10 bar |
| Certification | dvgw kiwa |
| Press profile | TH H U B F CH |
| Application | Heating Tap water cooling Oil-free compressed air |
| Collecties 2 | Alu-press fittings |
| Suitable for | Drinking water Compressed air Heating water Cooling water |
Frequently Asked Questions
When should you use a 50 mm press coupling?
Which pipe is compatible?
What is the difference between 40 mm and 50 mm?
When should you choose 50 mm instead of 40 mm?
Is 50 mm suitable for main pipelines?
Which press profile is required?
Is this fitting suitable for drinking water?
What happens if the pipe is not properly prepared?
Is this fitting maintenance-free?