Tilting Disc Check Valves

Tilting Disc Check Valves (TDCV) are a type of check valve used in water and wastewater treatment plants to prevent reverse flow of fluids. These valves operate automatically by responding to the fluid flowing through them. They are characterized by a disc that tilts away from the valve seat to allow forward flow and tilts back to seat the valve and prevent backflow when the flow ceases.

• Influent and effluent pipelines
• Pump discharge lines
• High flow rate applications

• Routine tasks include checking for leaks and monitoring valve performance.
• Maintenance usually involves periodic inspection and replacement of worn-out components.
• Safety considerations include avoiding water hammer, which can occur if the valve closes too quickly.

• Disc: This is the movable component that opens or closes the valve. Its design allows for fast seating and minimal disc slamming.
• Hinge Pin: This component allows the disc to tilt. It's typically made of a durable, corrosion-resistant material.
• Seat: This is the fixed part where the disc rests to close the valve. The material should be durable and corrosion-resistant.
• Body: This houses the valve components and provides the flow path. Its size and material are determined by the process conditions and pipe size.

• Flow rate (gpm or L/s)
• Pressure (psi)
• Type of fluid (e.g., water, wastewater, sludge)

• MasterFormat Division 40 - Process Interconnections, Section 40 05 19 - Process Piping and Equipment Heat Tracing

• DeZURIK: APCO CSV Tilting Disc Check Valves
• Flowserve: Edward Tilting Disc Check Valve
• Mueller Water Products: A-2600 Tilt Disc Check Valve

• Swing Check Valves: These are similar but use a swinging disc instead of a tilting one. They are typically used in lower flow rate applications due to potential disc slamming.
• Butterfly Valves: They can perform a similar function but can also be manually operated. They might be preferred when manual control over the flow is necessary.
• Ball Check Valves: These use a ball instead of a disc. They are best for applications where a tight seal is required.