SUFA Butterfly type check valve is suitable for space cramped but needs check function. Mainly rely on the flow of the medium itself to achieve open and close, its main role is to prevent the backflow of the medium. It has a simple structure and sensitive movements.

1. Size range: NPS 2-24 (DN50-600);
2. Pressure rating: ASME CLASS 150-2500;
3. Design standards: API 594, ASME B16.34, etc.;
4. Main materials: carbon steel, alloy steel, stainless steel, etc.;
5. Connection type: flange end, etc.;