Note: This check valve cannot be used for drinking water.

High quality 3"/4"/5"/6" vertical silent check valve for sale online. Flanged quiet type check valve, DN80-DN150, pressure PN16, carbon steel material, widely used in water and wastewater treatment, chemical processing and mining.

Features

• 3, 4, 5 or 6 inch sump pump silent check valve has smooth liquid flow and small local head loss.
• It provides a guide device, flexible closing, linear sealing, good check effect, and can effectively reduce closing noise.
• The flanged quiet check valve is small in size, light in weight, and easy to install and maintain.

Specifications

• Model: RDDLZ-H42H-16C
• Type: Check Valve
• Body: WCB
• Size: 3 inch/4 inch/5 inch/6 inch (DN80-DN150)
• Pressure: PN16
• Connection Method: Flange
• Temperature: -20~150℃
• Suitable Medium: Water, Steam, Oil, Petroleum, etc.

Dimension (Unit: mm)

Tips: How to choose the "INCH" of the silent check valve?

Choosing the appropriate size ("inch") of a silent check valve is crucial for ensuring efficient system performance and preventing issues like water hammer. Here’s how to select the correct size:

• Match Pipe Size: Start by matching the check valve size to the pipe diameter in your system. If your pipeline is 2 inches in diameter, you should typically select a 2-inch check valve. This ensures compatibility and proper flow.
• Flow Rate Consideration: Ensure the valve size can handle the flow rate of your system. Check the valve's flow coefficient (Cv), which indicates the valve’s capacity. The Cv should align with your system's required flow rate to avoid excessive pressure drops or reduced performance.
• System Pressure and Velocity: Consider the pressure and velocity of the fluid in the system. Silent check valves are designed to minimize noise and water hammer, but if the fluid velocity is too high, a larger valve may be needed to reduce pressure and noise.
• Manufacturer’s Guidelines: Always refer to the manufacturer’s specifications and guidelines. They often provide detailed charts or tables to help you select the appropriate valve size based on flow rate, pressure, and pipe size.

By considering these factors, you can choose the right size silent check valve that ensures optimal performance and longevity in your specific application.