http://www.mewayvalve.com/knife-gate-valve/
MDO MODEL
Bi-directional wafer style knife gate valve for general industrial and water applications
The MDO model knife gate is a bi-directional valve designed for general industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as:
鈼廤astewater treatment plants
鈼廋hemical plants
鈼廎ood and Beverage
鈼廵tc.
Sizes
DN 50 to DN 1200 (larger diameters on request)
Working pressure
DN 50 to DN 250: 10 bar
DN 300 to DN 400: 6 bar
DN 450: 5 bar
DN 500 to DN 600: 4 bar