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Nominal diameter:DN50～2000mm；

Nominal pressure:PN0.05～1.6MPa；

Drive mode:automatic;

Connection:flange；

Structure:ordinary、automatic compensation type、ordinary square、automatic compensation ordinary square；

Seal form: body seal、rubber seal、metal hard seal;

Main material: cast iron, cast steel, steel plate welding；

Main application:

Drain valve：the exports of drainage pipe and sewage pipe;