Product Selection Differences for Lugged and Tapped Ethylene Propylene Diene Monomer (EPDM) Seat Butterfly Valves

When considering lugged and tapped EPDM seat butterfly valves, there are several key differences to keep in mind:

1. Installation: Lugged butterfly valves have threaded bolt holes on the flange faces, making them easier to install directly between flanges. Tapped butterfly valves have integrated flange bolts and do not require separate bolts and nuts for installation.

2. Pressure Rating: Lugged butterfly valves typically have a lower pressure rating compared to tapped butterfly valves due to the design differences in the connection method.

3. End Connection: Lugged butterfly valves are typically used between flanges, while tapped butterfly valves are designed for direct connection to pipelines without additional flanges.

4. Application: Tapped butterfly valves are often used in applications where space is limited, as they eliminate the need for additional flanges and reduce overall dimensions. Lugged butterfly valves are more commonly used in applications where easy installation and removal are required.

5. Cost: In general, lugged butterfly valves may be more cost-effective compared to tapped butterfly valves due to their simpler design and manufacturing process.

When selecting between lugged and tapped EPDM seat butterfly valves, it is essential to consider your specific application requirements, including pressure rating, installation convenience, application constraints, and budget constraints.