M Press Copper Male Union
The M Press Copper Male Union combines an M profile press connection with a male threaded union connection.
Therefore, it provides a practical transition between compatible copper pipework and suitable female threaded equipment. In addition, the union design provides a connection point that can be separated when required.
This can prove particularly useful around equipment that may need future maintenance or replacement.
The range is available for 15mm, 22mm and 28mm copper pipe.
Furthermore, the M Press connection requires no solder or flux. Consequently, installers can create the copper joint without using a blowtorch at the press connection.
Why Choose an M Press Copper Male Union?
A standard threaded adaptor creates a transition between two connection types. However, a union also provides a separable connection.
Therefore, the fitting can make future maintenance more convenient where the installation design requires a removable connection.
Key benefits include:
- M profile copper press connection
- Male threaded connection
- Union connection
- Available in 15mm, 22mm and 28mm
- Straight fitting design
- Suitable for compatible water pipework
- Suitable for compatible heating systems
- Useful around serviceable equipment
- No soldering required at the press joint
- No flux required at the press joint
- No blowtorch required at the press joint
- Suitable for domestic and commercial installations
Available Copper Pipe Sizes
The M Press Copper Male Union range is available in:
- 15mm
- 22mm
- 28mm
However, the corresponding threaded connection can vary by fitting size.
Therefore, always check both the copper pipe dimension and thread specification before ordering.
Technical Specification
- Product: M Press Copper Male Union
- Product Type: Male Threaded Union
- Configuration: M Press x Male Threaded Union
- Copper Pipe Sizes: 15mm, 22mm and 28mm
- Press Profile: M Profile
- Pipe Compatibility: Compatible Copper Tube
- Thread: Male
- Union Connection: Yes
- Application: Water, Plumbing and Compatible Heating Systems
- Press Connections: One
- Soldering Required at Press Joint: No
- Flux Required at Press Joint: No
- Open Flame Required at Press Joint: No
- Press Tool Required: Yes
- Press Jaw Required: Correct Size M Profile Jaw
Importantly, confirm the exact thread specification and system compatibility before installation.
What Is an M Press Copper Male Union?
An M Press Copper Male Union creates a straight connection between compatible copper tube and threaded equipment.
Firstly, the copper tube enters the M profile press socket. Next, compatible pressing equipment creates the mechanical connection.
Meanwhile, the opposite side provides the threaded union connection.
Therefore, the fitting combines press technology with a connection designed to allow separation when required.
Consequently, it can prove useful around equipment that may require servicing during the life of the system.
What Does the Union Connection Do?
A union provides a convenient way to separate connected components.
Therefore, installers can disconnect the union without cutting the copper pipe or disturbing a completed press joint.
This can be particularly useful around suitable:
- Pumps
- Valves
- Manifolds
- Heating equipment
- Water equipment
- Control assemblies
- Serviceable components
As a result, future maintenance can become easier where the system design uses unions at appropriate points.
Male Union vs Male Coupler
Both fittings connect copper pipework to a male threaded connection. However, their designs serve different requirements.
A Male Coupler provides a straightforward press-to-thread transition.
In contrast, a Male Union incorporates a union connection. Therefore, the connection can be separated more conveniently when maintenance is required.
Consequently, a Male Coupler can suit permanent threaded transitions. Meanwhile, a Male Union can provide an advantage around serviceable equipment.
Why Use a Union Near Equipment?
Pumps, valves and other components may eventually need maintenance or replacement.
Therefore, planning for future access can save significant work later.
A union creates a deliberate separation point. Consequently, installers may be able to remove compatible equipment without cutting surrounding copper pipework.
Furthermore, the M Press side remains connected to the copper tube.
As a result, the fitting combines permanent press technology with a practical service connection.
Ideal for Pump Connections
Pumps often require future servicing or replacement.
Therefore, a suitable union connection can make equipment removal easier.
The press socket connects to compatible copper pipe. Meanwhile, the threaded union side provides the equipment connection where specifications match.
Consequently, installers can create a compact transition while also considering future maintenance.
Ideal for Valve Connections
Some valves may also benefit from a removable connection.
For example, the union can provide a useful service point where compatible valves need periodic inspection or replacement.
Furthermore, the male threaded connection can connect to suitable female threaded components.
However, always confirm the exact thread specification before installation.
Suitable for Plant Rooms
Plant rooms contain equipment that may require servicing throughout its working life.
Therefore, Male Unions can provide useful connections within compatible copper installations.
Potential applications include suitable:
- Pumps
- Valves
- Manifolds
- Cylinders
- Heating equipment
- Water equipment
- Control assemblies
Furthermore, the 15mm, 22mm and 28mm options cover several common copper pipework requirements.
Suitable for Domestic Plumbing
M Press Copper Male Unions can also suit compatible domestic systems.
For example, potential applications include:
- Heating pipework
- Hot water systems
- Cold water systems
- Cylinder installations
- Utility rooms
- Equipment connections
- Boiler and plant areas
Furthermore, the press connection removes the need for traditional soldering at the copper joint.
No Soldering Required at the Press Joint
The copper connection uses M Press technology.
Therefore, installers do not need solder, flux or a blowtorch at the press joint.
Consequently, the fitting provides a mechanical connection to compatible copper tube.
Furthermore, reducing hot works can provide a practical advantage during refurbishment and maintenance projects.
Reduced Hot Works
Copper connections can sit close to existing equipment, walls and finished surfaces.
Therefore, removing the need for a blowtorch at the press connection can simplify installation.
In addition, mechanical pressing avoids heating the copper joint.
Consequently, M Press fittings provide a practical alternative to traditional soldered connections where their specification suits the system.
How to Install an M Press Copper Male Union
Firstly, select the correct fitting for the copper pipe and adjoining threaded connection.
Next, cut the copper tube squarely with a suitable pipe cutter.
Then, remove internal and external burrs.
Afterwards, inspect the pipe and fitting for damage or contamination.
Mark the required insertion depth where specified. Next, push the copper pipe fully into the M Press socket.
Check the insertion mark before pressing.
Then, position the correct M profile press jaw around the fitting. Complete the full pressing cycle.
Finally, assemble the union and threaded connection correctly before inspecting the complete installation.
Prepare the Copper Pipe Correctly
Good pipe preparation remains essential.
Firstly, create a clean, square cut. Next, remove both internal and external burrs.
Furthermore, inspect the copper tube before inserting it into the fitting.
Correct preparation helps protect the internal sealing components. In addition, it allows the pipe to enter the socket smoothly.
Therefore, never skip the preparation stage.
Mark the Insertion Depth
The copper pipe must enter the press socket correctly.
Therefore, mark the required insertion depth where specified.
Furthermore, the mark provides a quick visual reference before pressing.
It can also reveal movement while positioning the press tool. Consequently, checking the mark provides a useful final check before completing the joint.
Use the Correct M Profile Jaw
The press connection requires compatible M profile pressing equipment.
Therefore, always match the jaw to the fitting and copper pipe size.
Before pressing, check:
- Copper pipe size
- Fitting size
- M press profile
- Correct jaw size
- Press tool compatibility
- Jaw condition
- Pipe insertion depth
- Correct jaw position
Importantly, never use another press profile simply because it appears to fit.
Assemble the Threaded Connection Carefully
The threaded side requires correct assembly.
Firstly, confirm that the adjoining female thread matches the Male Union.
Next, use the appropriate thread-sealing method where required.
Then, carefully engage the threads to avoid cross-threading.
Furthermore, support the fitting during assembly. Consequently, unnecessary twisting force is less likely to reach the completed press connection.
Assemble the Union Correctly
The union connection must also sit correctly before tightening.
Therefore, make sure the mating surfaces align properly.
Furthermore, avoid forcing misaligned pipework together using the union.
Instead, position the pipe and equipment correctly before final assembly.
As a result, the completed connection experiences less unnecessary mechanical stress.
Avoid Over-Tightening
A threaded connection needs secure assembly. However, excessive force can damage components.
Therefore, use suitable tools and follow the relevant installation requirements.
Furthermore, support the fitting while tightening.
Consequently, the copper pipe and completed press joint experience less twisting force.
Plan for Future Maintenance
One of the main advantages of a union is future accessibility.
Therefore, position the fitting where an installer can reach it after the system is complete.
Consider:
- Access to the union
- Tool clearance
- Equipment removal
- Nearby pipework
- Walls and surfaces
- Future servicing space
Consequently, good positioning can make future maintenance considerably easier.
Choosing the Correct Male Union
Several details need checking before ordering.
Firstly, choose the correct copper pipe size: 15mm, 22mm or 28mm.
Secondly, confirm the required male thread.
Finally, check compatibility with the adjoining component and intended system.
Therefore, do not select the fitting from the copper dimension alone.
M Press Male Unions for Heating Systems
Heating installations often contain components that require future maintenance.
Therefore, Male Unions can provide useful service connections within compatible water-based systems.
For example, potential locations include:
- Pump connections
- Valve assemblies
- Cylinder pipework
- Heating distribution
- Plant rooms
- Equipment connections
Furthermore, the press side provides a consistent M profile connection to compatible copper pipework.
A Complete M Press Copper System
The M Press Copper Male Union forms part of a wider range of copper press fittings.
Therefore, installers can combine compatible M Press products to create:
- Straight connections
- Removable union connections
- Male threaded transitions
- Female threaded transitions
- Equal branches
- Threaded branches
- 45° direction changes
- 90° direction changes
- Isolation points
- Pipe size reductions
- Pipework crossovers
- Fixed wall outlets
- Pipe terminations
Consequently, installers can maintain a consistent M profile jointing method throughout compatible copper pipework.
Why Buy From Kudos Trading?
Kudos Trading supplies professional plumbing, heating and underfloor heating products throughout the UK.
Furthermore, our growing M Press range includes copper fittings, valves and installation tools for professional installers.
We have more than 25 years of relevant industry experience. Therefore, customers can access practical support when choosing products for their installation.
Choose Kudos Trading for:
- Extensive M Press copper fitting range
- Products for domestic and commercial installations
- Competitive UK prices
- Fast nationwide delivery
- Practical technical support
- Friendly customer service
- More than 25 years of industry experience
- Support before and after your purchase
Frequently Asked Questions
What is an M Press Copper Male Union?
It combines an M profile copper press connection with a male threaded union connection.
What sizes are available?
The range is available for 15mm, 22mm and 28mm copper pipe.
What is a union used for?
A union creates a connection that can be separated when required. Therefore, it can simplify future servicing or equipment replacement.
What is the difference between a Male Union and Male Coupler?
A Male Coupler creates a straightforward press-to-thread transition. In contrast, a Male Union adds a separable union connection.
Does every size use the same male thread?
Not necessarily. Therefore, always confirm both the copper and threaded dimensions before ordering.
Can it connect to a valve?
Yes, where the valve provides the correct compatible female threaded connection.
Can it connect to a pump?
Potentially, yes. However, always confirm the exact connection requirements of the pump first.
What press profile does it use?
The copper connection requires compatible M profile pressing equipment.
Does the fitting require soldering?
No. Instead, mechanical pressing creates the copper connection.
Do I need a blowtorch?
No. Therefore, the press connection helps reduce traditional hot works.
Is it suitable for water pipework?
Yes, where the exact fitting specification suits the intended water application.
Can it be used on heating systems?
Yes, where the exact fitting specification permits the intended water-based heating application.
Do I need to deburr the copper pipe?
Yes. Furthermore, correct deburring helps protect the fitting’s internal sealing components.
Should I mark the insertion depth?
Yes, where specified. Consequently, you gain a useful visual check before pressing.
Can I use a U profile jaw?
No. Instead, use compatible M profile pressing equipment.
Can I disconnect the union later?
Yes, the purpose of the union is to provide a separable connection. However, isolate and safely depressurise the system before disconnecting it.
Should I support the fitting when tightening it?
Yes. This helps prevent unnecessary twisting force from reaching the completed press connection.
Related Products
- M Press Copper Male Coupler
- M Press Copper Female Coupler
- M Press Copper Female Tee
- M Press Copper 90° Male Elbow
- M Press Copper 90° Female Elbow
- M Press Copper Wall Plate Elbow
- M Press Copper Straight Coupler
- M Press Copper Reducing Coupler
- M Press Copper Equal Tee
- M Press Copper Full Bore Lever Ball Valve
- M Press Lever Ball Valve Press Fit to BSP
- M Press Copper 90° Elbow
- M Press Copper 45° Elbow
- M Press Copper End Stop
- Manual M Press Tool
- M Profile Press Jaws
- Copper Pipe Cutters
- Pipe Reamers & Deburring Tools
Next Working Day Delivery: Yes, we hold all our products in stock at our 7000 sq ft Nottingham warehouse and at our 3000 sq ft warehouse in Market Harborough and use DPD for a tracked next-day delivery.
Collection Available: You can always collect from our Nottingham location and help yourself to a free tea and coffee.
