MRL valve interlocks Process Interlocking

The MRL valve interlock fits any type of hand wheel or gear operated valves. A mechanical counter registers open and closed position of the valve. Keys are only released in fully open or fully closed position. The valve  interlock replaces the original valve hand wheel. No periodic maintenance is required.

Valve interlocks for multi rotation valves

The MRL valve interlock fits any type of hand wheel or gear operated valves

MRL valve interlock features

  • Permanently mounted on valve or gearbox
  • Mechanical counter (optional for high rotation, 2.000 +)
  • No grease or other lubrication required
  • Ingress protection of key slots by self sealing weather strips
  • Single key valve interlock, in locked open or locked closed position
  • Double key valve interlock, in locked open or locked closedposition
  • Minimum of components to make the internal mechanism less vulnerable
  • Second safety; integrated second safety to prevent unlocking with an unauthorized object other than the designated linear key

Valve interlock for muti rotation valve

Mounting of MRL valve interlock

  • No alterations to host valve required
  • Custom made bracket and adaptor for mounting to the valve
  • Original nut is used if possible
  • Can be mounted in a live plant

For setting the open and closed position, it is required to fully open and fully close the valve. MRL can be mounted on each size of valve, however to a maximum drivebush diameter of 82 mm. Above that size, a customized interlock is provided.

Valve interlock for muti rotation valve

Linear keys

  • Uniquely coded
  • Key codes are registered, for easy replacement and to avoid use of duplicate keys
  • Spare keys available
  • Master keys available
  • Coloured tagplate

Download Netherlocks MRL valve interlock product sheet (includes exploded view and GA drawings)