YUNYI glycerine oil filled pressure gauge
Maintenance and After-sales Service
The gauge shall be regularly checked for whether there is any leakage at connecting joints and valves during the
using process.
In normal use, if the gauge pointer cannot return to zero or stops running, it may be the pipe blocking. At this
time, close the relevant valves, dismantle the differential pressure gauge and check whether it return to zero. If
returning to zero, it indicates the differential pressure gauge is good. The pipe shall be checked for whether it is
unblocking. If the fault cannot be solved as per the above methods, please return the gauge to the manufacturer for repairing or replacing with a new one.
The warranty me period of the gauge is one year in which the gauge can be free repaired or replaced with a
new one
