Hybrid lock May 1st 2006 A universal valve lock-out device called the NL-H has been designed by Netherlocks. The hybrid lock is suitable for securing most types and sizes of valve, in every position, avoiding the need to have different kinds of lock-out product to cater for different types and sizes of valve.
Trips to establish which product is required to fit a valve before work commences are also avoided. The stainless steel unit can be used in harsh or corrosive environments.
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