Hi, this is COVNA Lug type butterfly valve.
It can be manual operated by hand lever or gear.
And also can be Electric actuated or Pneumatic actuated.
For Electric actuator, it can be ON/OFF Type, Regulation type or Intelligent type.
And for Pneumatic actuator, it can be both Double acting or Single acting.
Regarding the Lug type butterfly valve body, the material could be both cast iron like this, or stainless steel.
And the sealing material could be EPDM or PTFE, according to your working environment and fluid.
Besides, the size of this kind of lug type butterfly valve is up to DN800 or even bigger.
And it can be different flange standard such as ANSI, DIN and JIS.
This kind of valve is widely used in some industries such as HVAC, Water&Waste water Treatment industry, and Oil&gas.

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