Donsen Single Union Ball Valve – Manual Shut-Off Valve, 20mm to 63mm

The Donsen Single Union Ball Valve (DBV) is a polypropylene ball valve with a single union end, designed for manual shut-off in irrigation, water reticulation, and general plumbing systems. The union connection allows the valve to be disconnected from the pipeline without cutting pipe — making maintenance and replacement straightforward. Available in 20mm to 63mm to suit a range of pipe sizes.

• Sizes available: 20mm, 25mm, 32mm, 40mm, 50mm, 63mm (select variant)
• Connection type: Single union end
• Material: Polypropylene (PP)
• Valve type: Ball valve (quarter-turn manual)
• Brand: Donsen

Key Features

• Single union end – valve can be removed from the line without cutting pipe
• Ball valve design – full-bore, quarter-turn manual operation
• Polypropylene body – corrosion-resistant, suitable for clean water systems
• Available from 20mm to 63mm – covers standard irrigation and plumbing pipe sizes

Typical Applications

• Irrigation zone shut-off valves
• Pump discharge and bypass lines
• Tank outlets and transfer lines
• General water line isolation and maintenance points

Technical Specifications

What's Included

• 1 x Donsen Single Union Ball Valve (selected size)

Installation & Compatibility Notes

Select the valve size to match your pipe or fitting bore. Confirm connection type (union end) is compatible with your system before ordering. For pump installations, verify the valve's pressure rating suits your operating pressure and ensure the flow direction is correct.

Warranty & Support

This product is supplied with the applicable manufacturer or supplier warranty. Contact Zisabo if you need help selecting the correct valve size for your system.