
Brass compression fittings for copper and stainless steel pipes
Brass compression fittings and valves for copper and stainless steel pipes
- Nickel-plated brass body UNE EN 12164
- nickel-plated brass union nut UNE EN 12165
- Brass clamping ring
- Temperature range: -20°C to +120°C
- max. operating pressure PN 16 bar at 30°C (PN 6 bar at 110°C, PN 5 bar at 120°C) Medium water
- suitable for cold and hot water pipes
- designed for use with copper pipes EN 1057:1996 and stainless steel pipes BS4127:1994
- Fasteners according to ISO 228/1
Suitable for use in circuits for the distribution of water and non-aggressive fluids of higher or lower density.

Brass compression fitting for copper and stainless steel pipes
- Nickel-plated brass body UNE EN 12164
- nickel-plated brass union nut UNE EN 12165
- Brass compression ring
- Approved for use with drinking water by the Water Regulations Advisory Scheme (WRAS)
- ISO 228/1 BSP G mounting thread – the thread used in plumbing technology
Brass compression fittings for copper and stainless steel pipes – frequently asked questions
The advantages of brass compression fittings are clear: you hardly need any tools; two screwdrivers are enough to connect the brass compression fittings to the copper or stainless steel pipe.
All brass compression fittings we sell are suitable for cold and hot water. Since the sealing is done by a brass ring, they can be used from -20°C to +120°C.
The brass compression fittings are designed for use with copper and stainless steel pipes and are approved for use with drinking water by the WRAS mark of conformity, e.g. in Great Britain (UK).
Brass compression fittings and stainless steel pipe are high-quality components that ambitious DIYers and professional self-builders can use to create a piping system of the highest standard
In our table view, the measurement is given in inches and also converted into mm (in brackets).
The coupling nuts of the screw connections are not standardized and can only be used to close the clamp To see the bigger picture...: the hassle with inches – or why 1" is not 25.4mm
Metal threads can be sealed in the same way as plastic fittings with PTFE (Teflon) thread sealing tape or sealing thread, but, unlike plastic fittings, they can also be sealed with swelling sealing materials such as hemp or flax in combination with thread sealing paste
Teflon tape, sealing thread, hemp and sealing paste: Thread sealing material
Our product range
For connecting pipes, we offer various types of stainless steel fittings: from pure internal threads (IT), to combinations of internal and external threads, to external threads (ET). In addition, our product range covers a wide variety of connection options. For pipes that run in an arc, our stainless steel V4A 45° angle bracket or V4A 90° angle . Versions as V4A crosspiece or V4A Y-piece are available in our online shop. In addition, you will find pipe and Double nipples V4A , Stainless steel hose clamps V4A or reducers, such as the V4A reducing sleeve to connect pipes with different nominal diameters.
A major advantage of threaded fittings is their flexibility. In contrast to press fittings or welded fittings, screw connections can be loosened again and again.
Now you can also discover our V4A stainless steel fittings or our V4A stainless steel press fittings.