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；