4 Advice to Choose a M-profile Press Fittings

Press systems are a newer way of carrying out fittings compared to more traditional solder and screwed methods. They can offer time and cost savings as well as many other benefits.

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What is Press-Fitting?

Press-fitting systems use hydraulic press technology to provide a high-quality and easy to fit joint method. While this helps save a considerable amount of time on jobs, it can be difficult for first-timers to know where to start with more manufacturers coming on board.

Our beginner’s guide to press-fit tools provides a great overview to get you started.

What Pipe Are You Installing?

When beginning to think about press-fit tools, the first question you need to ask yourself: What will I be installing?

With more systems coming onto the market, selecting the right pipe type is key.

For more traditional methods, you’ll have manufacturers of metal press systems. But plastic composite systems like Multipipe MLCP is gaining popularity.

Our hybrid pipes are a great alternative to conventional methods, which might struggle on specific jobs where flexibility and hygiene are key to a quality installation. But still offer benefits of a metal system like lower expansion rates and 100% oxygen barrier.

Choosing the Right Type of Pipe

All pipework systems in the UK are made to a BS EN standard, but depending on the manufacturer, these standards might differ.

The most common British standard for plastic pipes is BS EN . BS EN is the multilayer (MLC) standard and BS EN is the Copper tube standards.

These standards dictate the manufacturing process, pipe dimensions and wall thickness, all of which are hugely important in selecting the right pressing jaws.

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To press a joint onto these systems, you’ll need a set of compatible jaws as different pipe and fitting manufacturers use different jaw profiles.

Selecting the Right Jaw Profiles

These profiles are manufactured to the pipe dimensions and the set of ridges inside the profile help to press down on the sleeve to get a watertight joint.

There are common types of profiles used by several manufacturers which would give you the best flexibility across different pipe types. But there are also a lot of individual company profiles so making sure you have the right jaws is key to a good join. Be aware that you cannot mix jaw profiles of different manufacturers.

Below are some key examples of jaw profiles. These are cross-sections of the most popular jaws and they show the subtle differences across the profiles when they are pressed.

U and TH Profile Jaws

Most MLCP systems use U or TH profile jaws.

U Profile Jaw:

M or V Profile Jaws

These profiles are used for most copper press systems on the market.

V Profile Jaw:

A Pressing Matter: The Difference in Tool Strength

The last consideration in our guide to press-fit tools, is the pressing strength of the tool. Most press tool manufacturers have a small and a larger gun, but what exactly is the difference? The answer is that it’s mainly the strength of the hydraulic press.

Usually, the bigger the gun = the bigger the hydraulic press. Compact guns typically press up to 28/32mm pipes, with larger guns up to 108/110mm.

This means you need to consider what sizes of pipe you need to press. Some fitting manufacturers require specific press strengths for their systems, so be sure to factor this in. Our Multipipe MLCP press system requires a 15KN press tool for sizes up to 32mm and a 32KN press tool for up to 110mm pressing.

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An increasing number of manufacturers are showing up in the pressing equipment market. With such a large choice, finding the right path in purchasing pressing equipment can be difficult. Eurotubi continuously tests products from certain "historic" brands. Since it is not possible to constantly test all manufacturers, Eurotubi offers certain requirements and tips for choosing and using pressing equipment.



For any questions regarding pressing equipment and terminals to be used for installing Eurotubi Pressfittings, you must refer to the Eurotubi Pressfitting Technical Manual.
The topic is covered in detail in section 2.3.

List of manufacturers whose pressing equipment and terminals are periodically tested by Eurotubi – Table 1 in the Eurotubi Pressfitting Technical manual shown in the image below.

Click image to enlarge


There are other reliable manufacturers such as Ridgid, Rothenberger, and Vetec. Since it is not possible to ensure compatibility with all the equipment present on the market, we invite all those who use these tools to first consult the Eurotubi Technical Office.

Important general requirements for pressing Eurotubi pressfittings:

• Regardless of the brand and type, pressing tools must only be used with "M type" terminals for "M" profile pressfittings and with "V type" terminals for the "V" profile. No mixing may be accepted, not even terminals declared valid for both profiles, otherwise the warranty will be void.
• Always make sure that the pressing equipment used is compatible with the diameter of the fittings that you are pressing.
• Periodically clean, lubricate, and check the pressing terminals.
• Perform the mandatory periodic maintenance and inspections required by the manufacturer. If these requirements are not met, the warranty will be void.

For some time now, manufacturers from outside of Europe have been starting to appear on the pressing equipment market. Since these products are developed primarily for other geographical areas and with potentially different manufacturing criteria from the ones we usually deal with, inserting them in for common use will require more time.

Eurotubi reminds you that when using pressing equipment, you must always follow the instructions in the technical manual. For more information, contact the Eurotubi Technical Office.