1, small, lightweight, easy installation and maintenance, and can be mounted in any position.
2, the structure is simple, compact, low operating torque, 90 ° swing open quickly .
Soft sealing flange butterfly For temperature ≤120℃ , Nominal ≤1.6MPa food, pharmaceutical, chemical, oil, electricity, textile, paper and other water supply and drainage, gas pipes for regulating traffic and closure of media role.
Design and manufacture : GB12238
Structure length : GB12221 (13 series )
Flange dimensions : GB4216
Parts list: 1, valve 2, seat 3, disc 4, stem