Slide valves can be used as maintenance gate as well as opening and shut-off valves for free flowing of bulk solid material in silos, hoppers, weighing hoppers, inlet and outlet of screw conveyors and other similar applications. 
OZB slide valves are available with square, rectangular and round sections.
Features
SVQ: Square section (150mm to 400mm)
SVC: Round section (150mm to 400mm)
SVR: Rectangular section (200mm and 300mm)
Slide valves;
Body; made in carbon steel with galvanized or stainless steel
Chute; EPDM 
Blade; made in carbon steel with galvanized or stainless steel
Slide valves can be used with manual, pneumatic or electric motor actuators as needed.
ACMS: Manual
ACPS: Pneumatic
ACES: Electromotor