BS5153 DI Rubber Disc Swing Check Valve

Description

The Ductile Iron Rubber Disc Swing Check Valve is a high-performance non-return valve designed primarily for water and sewage applications. Unlike traditional metal-seated valves, this unit features a disc encapsulated in rubber (NBR or EPDM), which provides a bubble-tight seal and significantly reduces water hammer and noise. The body is constructed from Ductile Iron (DI), offering superior strength and impact resistance compared to standard cast iron.

Technical Specifications:

• Nominal Diameter (DN): DN50 – DN300 (Standard Range)
• Nominal Pressure (PN): 1.6 MPa (PN16)
• Suitable Temperature: ≤ 80°C (for NBR/EPDM Rubber)
• Applicable Medium: Water, Sewage, Neutral Liquids

Main Parts and Materials:

Key Product Features:

• Zero Leakage: The rubber-lined disc ensures a bubble-tight seal against the valve body, preventing backflow effectively.
• Water Hammer Reduction: The resilient rubber seating absorbs shock and closes more quietly than metal-seated valves, reducing the risk of water hammer damage.
• High Strength Body: Constructed from Ductile Iron (DI), which offers higher tensile strength and elongation than grey cast iron, making it suitable for demanding pipelines.
• Corrosion Protection: Typically coated with fusion-bonded epoxy (FBE) inside and out to prevent corrosion and maintain water quality.
• Maintenance Friendly: The bolted cover allows for easy access to the disc and hinge mechanism for inspection or replacement.

Additional information