Worm gear type fully welded ball valve Q361F DN300

Worm gear type fully welded ball valve Q361F DN300 seal adopts carbon reinforced PTFE inclined elastic sealing ring negative pressure on the spherical surface, so that the seal reaches zero leakage, long service life and other advantages. The processing precision of the sphere is very precise, the operation is light, and there is no bad interference. Not only prevent fire, but also prevent corrosion, and achieve temporary cut-off for timely maintenance.