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> Check if the new host valve is the same type & size as the
previous valve (see ‘valve interlock components’ for an
explanation on interlock parts)
> Check whether the topwork dimensions of the valve are the
same. Check ll-in sheets on netherlocks.com/support
> If the valve is the same type and size, the lock body
can be re-used
> If the valve is another type and/or size, contact
Netherlocks or your local interlock partner to determine
whether the same lock body can be re-used
> If topwork is equal to the old valve, the bracket and
adaptor can be re-used
> If topwork is not equal to the old valve, order a new
mounting set, based on the new topwork dimensions
Note
> Lever operated valves require a NDL. Hand wheel and
gearbox operated valves require a MRL. When an
interlocked, lever operated valve gets equipped with
a gearbox, a new interlock is required.
Valve is replaced
Troubleshooting
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