This locking device is designed to suit all small diameter needle and instrumentation valves with a stem diameter up to 8.0 mm The device fits to the valve by first removing the existing handle or knob which is replaced with a special adaptor, secure to the valve without the need for modifications. Once fitted, the device allows the valve to be turned in the usual way by applying light pressure downwards on the knob. With the padlock fitted, the drive mechanism is disengaged and the knob spins freely without turning the valve. Material: Body: Nylon Adaptor: Brass Choose the adaptor size to suit the stem diameter of your valve. Standard sizes available, 5.0mm, 6.0mm, 6.3mm (1/4″) and 8.0mm Padlock not included Valve not included Click on this link to download the Data Sheet.
