PCA Series

APC Butterfly Valve

Feature

Open and close

• After the seat ring allows slow exhaust, it moves away to allows the flapper to rotating for pressure control.

New developed seat ring structure

• O-ring twisting and dislodging. Furthermore, our grease free flapper sealing minimizes contamination.

Slow exhaust

• Slow exhaust starts as the seat ring moves away from the O-ring seal.

High durability

• Increases durability by reducing the O-ring stress using our seat ring structure.
• Full open <-> Full close : 3 million cycles

Pressure control

• Wide range of pressure control from low to high vacuum with combination of our seat ring and fl apper.

Reduce by-product adhesion with unique heating feature.

• Internal heater inside the flapper reduces by-products adhesion in the flow path drastically.
• (The internal heater is optional)