OPERATING MANUAL
07-2021
10/11
6.
OPERATION
The valve shall be operated in accordance with all relevant requirements for stop valves.
To ensure full operational efficiency, carry out a technical inspection and maintenance at least once a year as
follows:
•
Operate the valve from the fully open position to the fully closed position, or vice versa.
•
If the valve operation is difficult, i.e. the valve reaches the maximum driving torque before either of its
limit positions, repeat the full operation three times (by opening and closing the valve repeatedly).
•
Check the tightness of all connections and seals with the valve closed.
If all the actions above have been completed with a good result, visually inspect the corrosion protection. If the
paint coat is damaged, rebuild it with the paint kits available from JAFAR.
Exceeding the operating limits of the valve may result in damage that will not covered by the warranty or the
statutory warranty granted by the manufacturer.
7.
SAFETY
All installation and operation tasks related to the product shall be only be done by qualified professionals with
sufficient training and experience to assess the current situation and identify and avoid hazards. Failure to follow
this warning or this Operating Manual may cause death, severe bodily injury or substantial property damage.
Fabryka Armatur Jafar S.A. shall not be liable for any accidents or emergencies related to incorrect installation or
operation of the product. Note that the valve installation could be pressurized or contain various type of stray gas
or aggressive liquids. If the installation is operated explosion hazard zones, ATEX requirements may apply; this
will require suitably trained professionals (according to ATEX requirements). Do not use tools which may generate
electrostatic discharge in the ATEX zone.
Do not use the product without thorough knowledge and understanding of this Operating Manual. Follow the
general health and safety rules. Keep this Operating Manual throughout the service life of the product to ensure a
safe operation of the latter.
