Features Quick change & easy operation A blind plate to slide straight forward and backward and
only one person to blind a heavy pipe line within 2 minutes upto 24¡±with safe
and ease by operating the hand wheel No line spread Unique & powerful mechanism makes a gap
to turn the spectacle plate without line spreading. Applied for wide range of medium Gas, fuel, solvent, petroleum products, slurry, powder, chip,
mixing liquid Double safety locking Locking devices are double installed to
avoid operator¡¯s carelessness and one of them can be locked with a key Gasket protection cover Exterior of spectacle is
protected from injured by a protection cover
Operating sequence
step1 unlock the
key and clamp lever
step 2 turn the hand
wheel counter clockwise, it makes a gap to slide the blind plate without line
spreading
step 3 slide the
blind plate to change open/close position
step 4 turn the hand
wheel clockwise to secure the blind valve