Jafar 4496 Bedieningshandleiding - Pagina 10

Blader online of download pdf Bedieningshandleiding voor {categorie_naam} Jafar 4496. Jafar 4496 11 pagina's. Concentric butterfly valves

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.

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.

OPERATING MANUAL

07-2021

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