nominal diameter:dn100～2600mm，200×200～3000×3000；

nominal pressure:pn0.05～1.0mpa；

drive mode:manual, pneumatic,hydraulic, electric；

connection:embedded slot pouring fixed gate slot box；

structure:round, square, one-way, two-way role;

seal form:rubber soft seal、metal hard seal;

main material: cast iron, cast steel, steel plate welding、stainless steel plate welding;

main application:

drainage、sewage；