Metallic Sealed Butterfly Valve
Metallic Sealed Butterfly Valve is made on new imported seal conception, it uses ellipse disc, U-shaped section, R-shaped section or cirque-shaped section seal rings to realize combination of seal couples. The on-off life cycle is over 10000 times. It is suitable for critical environment like heat transport, paper pulp and particle-contained medium, it uses graphite packing which can be used at temperature over 400â"f. |