The quick coupling for expansion vessel Perfexim PHA-SDN 3/4'' WZ DN10 20-204-0000-000 is designed for central heating and domestic hot water installations. It features:

• Ball shut-off valve
• Drain valve
• Connection diameter and threads: 3/4''
• Maximum operating pressure: 10 bar (1.0 MPa)
• Maximum operating temperature: 120°C
• Suitable for contact with potable water, with relevant approval

Construction features include:

• Hole for sealing
• Shut-off valve lever
• Handle
• Rotating nut

During normal operation, the lever must be parallel to the body of the quick coupling and the drain valve closed. For maintenance work, the lever is placed perpendicular and the drain valve is opened.