Ninety Degree Lock

Ninety Degree Lock valve interlocks can be mounted without any alteration to the host valve; the characteristics of the valve remain unchanged. The interlock is installed as an integral part of the valve, with the original valve lever removed and replaced by the Netherlocks interlock with a new sliding lever or hand wheel.

NDL (Ninety Degree Lock)
> Fits any type of 90º valve such as ball valves, butterfly valves and plug valves
> Customized coupling
> Optional limit switch box
> Body remains fixed in position
> New stainless steel sliding lever, replacing the original