Compressed fitting with union 16 x 1/2 SiGMA-Li MZPŚ1216

Compressed fitting with union 16 x 1/2 SiGMA-Li MZPŚ1216 is a mechanical connector for plumbing systems that joins a 16 mm press-fit pipe to a standard 1/2" threaded fixture. It combines a press-style connection on the pipe side with a screw union on the fixture side, enabling a reliable transition between modern press-fit piping and conventional threaded valves or appliances. The fitting is intended for use in water installations and for repair or renovation tasks in residential and light commercial plumbing.

Advantages

The fitting allows a secure, leak-resistant connection between a 16 mm pipe and a 1/2" threaded component without soldering or special adhesives. Its press-style interface simplifies installation and reduces assembly time, while the screw union provides easy disassembly for maintenance or replacement of the threaded fixture. The design supports standard water system pressures and is compatible with common plumbing materials used in press-fit installations.

Suitable for

• Connecting 16 mm press-fit pipes to 1/2" threaded valves and fixtures
• Domestic water supply lines
• Repair and renovation of existing plumbing where mixing press-fit and threaded connections is required
• Installation in compact spaces where a union allows quick removal of fixtures

Key specifications

• Pipe connection type: 16 mm press-style connection
• Fixture connection type: 1/2" external/internal threaded union
• Application medium: cold and hot water systems
• Material: metal construction suitable for plumbing use
• Connection method: mechanical press on pipe side, threaded screw union on fixture side

How to use

Prepare the 16 mm pipe by cutting squarely and deburring the inner and outer edges. Insert the pipe into the press-style end until it reaches the stop, then complete the press operation using the appropriate pressing tool and jaw for the pipe material. On the threaded side, hand-start the union onto the 1/2" threaded fixture and tighten to the required torque using a suitable wrench, ensuring proper sealing with thread sealant or PTFE tape if the application requires. After assembly, inspect connections for alignment and test the system under pressure to confirm there are no leaks.

Usage recommendations

Follow manufacturer guidelines for press-tool selection and calibration. Use appropriate sealing methods on the threaded side only where recommended and compatible with potable water systems. Carry out pressure testing after installation and periodically inspect the joint during routine maintenance.