Fluoroplastic lined butterfly valve

One. Structure and characteristics

1. The center line butterfly valve is that the entire disc plate and the valve seat are concentric within a 360° circle (center line), with a two-way sealing function, and the pressure and flow can be adjusted freely.

2. The four-stage loading elastic seal absolutely guarantees the zero writing inside and outside the valve.

① Reasonable interference between the special transition curve at the junction of the shaft head and the disc plate circumference and the valve seat.

②The end face of the shaft head adopts the combination of elastic O-ring, rigid washer at the shaft shoulder and elastic rubber pad.

③The radial direction of the shaft adopts the combination of O-ring and metal pad.

④The valve seat is inlaid in the valve body groove with elastic strip.

3. Adopt adjustable strong marble positioning, accurate positioning and simple structure.

Two. The design specifications follow GB 12238, API609, MSS SP-67, MSS SP-68 standards.

Three. The driving mode is manual, worm gear transmission, pneumatic, electric.