Our products

Our interlock products are customized
to your unique safety needs

Type VL Interlock

Isolation interlock

KIRK® Type VL interlock is a key operated mechanical interlock that is suitable for the control and isolation of hazardous fluids or gases when performing maintenance on equipment. The standard unit comes pre-installed on a stainless steel ¼-turn ball valve and is ready for on-site installation. The lock is manufactured of stainless steel and the operation of the valve is lever controlled.

The Type VL is only available in HD series.

For further technical information please refer to the datasheet.


  • Gasketed keyway to protect from debris
  • Available with multi cylinders
  • Easily integrated into a trapped key interlock scheme
  • Available in HD (316 Stainless steel)

Typical application

Perimeter guarding

Electrostatic Precipitator

Global Headquarters

9048 Meridian Circle NW                North Canton, OH 44720 USA

FAX (330)497-4400