PVC Double Union Diaphragm Valve – Plain Socket Ends, 20mm to 63mm

The PVC Double Union Diaphragm Valve (Plain Socket) is a PVC flow-control valve with two double-union end connections and plain socket (solvent-weld) end fittings. The diaphragm design allows both shut-off and flow regulation, making it suited to systems where precise flow control is needed in addition to isolation. The double-union connections allow the valve body to be disconnected from the pipeline without cutting pipe. Available in 20mm to 50mm sizes. Suitable for clean water, irrigation systems, and PVC pressure pipework.

• Connection type: Plain socket (solvent-weld) ends
• End connections: Double union
• Valve type: Diaphragm (shut-off and flow regulation)
• Sizes: 20mm, 25mm, 32mm, 40mm, 50mm and more (see variants)
• Material: PVC body with EPDM diaphragm seal

Key Features

• Double union connections – valve body can be removed from the line without cutting pipe
• Diaphragm design – allows flow regulation as well as full shut-off
• Plain socket ends (solvent-weld) – for bonding directly into PVC pressure pipe systems
• PVC body with EPDM diaphragm – corrosion-resistant, suitable for irrigation and water applications

Typical Applications

• Flow control and isolation in PVC irrigation main lines
• Swimming pool systems and chemical dosing installations
• Commercial and agricultural water distribution
• PVC pressure pipework where flow regulation is required

Technical Specifications

What's Included

• 1 x PVC Double Union Diaphragm Valve – Plain Socket (selected size)

Installation & Compatibility Notes

Plain socket ends require PVC solvent cement for installation into PVC pipe systems. Select the valve size to match your pipeline size. Confirm system operating pressure is within the valve's rated range. Double union connections make removal and servicing straightforward without disturbing the main pipeline.

Warranty & Support

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