Modular waste drain

摘要

The invitation relates to a modular waste drain (10), comprising: an inlet assembly (20) defining an inlet passage (21) and an outlet assembly (30) defining an outlet passage (31), wherein a knife gate valve (40;140;240) having a valve opening is disposed between the inlet passage and the outlet passage, the knife gate valve being detachably connected to at least one of the inlet assembly and the outlet assembly.