DuctileIron Check Valve PN16 Lever & Weight WRAS Approved

This leverandweight assisted ductile iron check valve is engineered for potable water systems where the risk of backflow must be strictly controlled and compliance with regulatory standards is essential. With WRAS approval and a repairfriendly design, its well suited for utility mains and pumping stations.

Technical Data:

• Body material: Ductile iron (ENGJS45010 or similar) epoxycoated for corrosion resistance.
• Seat material: Metal seating ring for durability under repeated cycles.
• End connection: Flanged ends rated PN16 (16 bar nominal) conforming to BSEN10922 flange standard.
• Operating temperature range: -10°C up to approx. +70°C
• Pressure Rating: PN16 ( 16 bar )
• Mechanism: Swing disc with externally mounted lever and adjustable weight for improved closure under lowflow or reverseflow conditions.
• Sizes available: DN50 (2) up to DN300 or more in standard range.

Key Features:

• WRASapproved construction makes it suitable for drinking water systems.
• Lever and weight addition supports more reliable closure under conditions where flow reversals or pump shutdowns might cause waterhammer or backflow.
• Fullface flanged body offers fullbore flow, minimal pressure drop, and ease of maintenance.
• Ductile iron body adds strength and durability compared to standard cast iron in demanding installations.

Typical Applications:

• Pump discharge or return lines in municipal water supply networks.
• Booster stations and highrise building main supply risers where compliance is mandated.
• Industrial water systems requiring certified backflow prevention under moderate pressure.

Summary:
For installations where potable water, compliance and robust performance are nonnegotiable, this ductile iron check valve with lever & weight offers a dependable solution. Its design targets serious backflow prevention, long service life and straightforward installation in flanged systems.