Marine Semi Lug Type Butterfly Valve

Marine Semi Lug Type Butterfly Valve is a best-selling product of Zhongguan Valve, and many world-renowned shipyards come to our company to purchase it.
Valve body design: Valve bodies are usually wafer type or lug type, which are easy to install 
between pipeline flanges, compact in structure, and suitable for space limited ship environments.
Sealing form: Soft sealing (such as rubber, PTFE) or metal sealing is used to ensure good sealing performance and prevent medium leakage.

Operation mode:

Material:

Application：

Seawater system: cooling water and ballast water pipelines.

Fuel system: fuel delivery and filtration pipelines.

Ventilation system: regulate air flow (fire protection design required).

Other: lubricating oil, bilge water and other pipelines.

Notes

Medium type: Select sealing material according to the medium (such as EPDM seawater resistant, NBR oil resistant).

Pressure rating: Matching the design pressure of ship pipelines (commonly PN10/PN16).

Temperature range: Ensure that the sealing material operates stably at the medium temperature.

Installation method: clamp type (requires flange fitting) or ear type (can be directly bolted for easy disassembly)