Valve Mechanical Interlocks

Key Cabinet

The Valve Interlocking keys must be stored in a safe and controlled environment on site. The PSS Key Cabinet has been designed especially for this purpose to ensure enhanced control and management of the Valve Interlocking keys.



  •  Fully Stainless Steel (Alternately Material can be used as per End user requirement)
  •  Fire Proof transparent Glass Door for Full Visibility of the Keys.
  •  Custom built and with Lock & Key.
  •  No maintenance required
  •  Tamper proof Lock to avoid Sand, dirt, water Resistant.



  •  The Key Cabinet is used to keep the initiating and final keys of a locking sequence in a safe place.
  •  The Key Cabinet is manufactured with dedicated key coded positions for each key. Every key position has a tag plate that indicates whether that particular valve or system is in operation or spare or maintenance.
  •  The cabinet key positions are identical to the keys of each particular lock/system;this ensures that there is no possibility to insert a key in the wrong position by the operator.
  •  The key is visible through a transparent glass. The area of the transparent door has been maximized so that all key tag plates are in visual range.
  •  The Key Cabinet can be supplied with a block diagram, which shows all sequences.
  •  The door is fitted with a lock to close the Key Cabinet to avoid unauthorised access. The cabinet can be easily mounted on the wall in control room.