Installation of PWR nuclear power plant and debug phase dedicated system washing and sample instrument

The utility model discloses an installation of PWR nuclear power plant and debug phase dedicated system washing and sample instrument, it includes flange, grip block, fastening components and nozzle stub, the fracture looks adaptation of flange and the border valve waiting to be connected, connecting the face for one of the flange and laminating in the fracture position of border valve, face and nozzle stub fixed connection are connected to another, the grip block blocks the mounted pipeline in border valve one side, and fastening components connects between flange and grip block, utilizes fastening power with the fracture department of flange seal at the border valve. Compared with the prior art, the utility model discloses installation of PWR nuclear power plant and debug phase dedicated system washing and sample instrument installs flange and nozzle stub additional in the fracture side of border valve to guarantee the contact force between flange and the border valve through fastening components's take-up, guaranteed the leakproofness of junction, effectively solved the interim problem of being connected of washing of interim system and sampling line and border valve, made things convenient for the washing and the sample of system device and pipeline.