Key Features
- Quarter-turn operation with visible position indicator
- Lockable lever actuator for secure open, closed, and throttling positions
- Corrosion-resistant body and disc for marine environments
- Bubble-tight sealing performance in both low and high pressure
- Compact and lightweight design for easy installation and maintenance
- Suitable for seawater, fresh water, fuel, and oil applications
- Complies with international marine engineering standards
Technical Specifications
| Valve Type | Butterfly Valve |
|---|---|
| Actuator Type | Lock Lever (Locking Plate) |
| Size Range | DN50 to DN300 (2" to 12") |
| Connection | Wafer Type / Lug Type |
| Body Material | Cast Iron, Ductile Iron, Bronze, Stainless Steel |
| Disc Material | Stainless Steel / Aluminum Bronze |
| Seat Material | EPDM / NBR / PTFE |
| Pressure Rating | PN10 / PN16 (Class 150) |
| Temperature Range | -10°C to +80°C (depending on seat material) |
| Standards | ISO 5208, EN 593 |
| IMPA Code | 752201 |
Frequently Asked Questions
What materials are these butterfly valves available in?
Our lock lever butterfly valves are offered in a variety of marine-grade materials including cast iron, ductile iron, bronze, and stainless steel. Seat options include EPDM, NBR, and PTFE to suit different media and temperature requirements.
How does the lock lever actuator work?
The actuator is a manually operated lever that rotates the valve disc 90 degrees. A locking plate or pin allows the lever to be secured in fully open, fully closed, or intermediate positions, ensuring stable flow regulation and preventing accidental movement.
What is the pressure rating of these valves?
These butterfly valves are available in PN10 and PN16 pressure ratings (Class 150), making them suitable for many shipboard piping systems.
Are these valves suitable for seawater applications?
Yes, when specified with the correct materials such as bronze body, aluminum bronze disc, and EPDM seat, these butterfly valves are ideal for seawater cooling and ballast systems.
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