How do butterfly valves work?
A butterfly isolation valve uses a rotating disc mounted on a central shaft. Turning the shaft rotates the disc 90°, allowing or blocking flow. The design provides quick operation, low weight, and compact installation.
Advantages of butterfly valves...
• Quick quarter‑turn operation
• Compact and lightweight
• Low pressure drop
• Cost‑effective for large sizes
• Compact and lightweight
• Low pressure drop
• Cost‑effective for large sizes
Technical Parameters:
Pressure Ratings
PN10, PN16, PN25, PN40, CL150, CL300
Temperature Range
Typically –40 °C to +200 °C (high‑performance designs up to +600 °C)
Size Range
DN50–DN3000 (2″–120″)
Materials
Carbon steel, stainless steel, ductile iron, bronze, nickel alloys
Industry Application:
Nuclear
EFW
Oil & Gas
Power
Media Type:
Water
Gas
Steam
Oil
Chemicals
