MATERIALS OF MAIN PARTS
There are two types of C1、C2.C1type is single line in the direction of flashboard and C2 type is double lines in the direction of fashboard. This value is provided with lifting rack which can drop the flashboard automati-cally and catch and lift the flashboard auto-matically.This valve is suitable to be used to repair the equipments is the sewage water project channel and pool.
