All Valve Industries 573506 Dual Check with Atmospheric Port 20mm Approved Caleffi
The Caleffi dual check valve with atmospheric port is a low hazard device, most commonly used for underground rainwater tanks, as well as dental chairs, hairdressers and combi ovens (check with local regulator).
Features:
• Union Ends
• Superior flow rates
• Made in Italy
• Inbuilt strainer mesh

Brand Name | Allvalve |
Item Name | Dual Check Valve |
Length | 114.5mm |
Size | 20mm |
Connection Type | Female Union |
Outlet | 20mm |
Maximum Working Temperature | 65 Degrees |
Pressure Rating | 1200 kPa |
Height | 59.5mm |
Material | Brass |
Width | 47mm |
Standards | Watermark Approved |