Jafar 5320 Operation And Maintenance Manual - Page 15

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TYPE 5321

1. Valve; 2. Steel pipeline; 3. Joint.

Caution! If the product has mechanical damage, do not install it in the pipeline.

Caution! Keep the cut-off valve closed during the system pressure test.

4.3 OPERATION

The ball valve shall be operated according to all relevant requirements for cut-off valves, i.e. either in fully

open or fully closed positions. Leaving the valve set partially opened (or closed) may result in seal failure. To

ensure full performance, switch the valve periodically (once a year, from fully open to fully closed). Inspect the

anti-corrosion protective coat and the valve to system joints. Protect the valve from mechanical damage and keep

the valve clean.

MAINTENANCE

Exceeding the operating limits of the valve may result in damage that will not covered by the suretyship

granted by the manufacturer.

The ball valves are eligible for the OHS guidelines and recommendation concerning installation of pipelines

and devices for industrial processing stations, heat power plants, other facilities, and eligible for the Polish

Regulation concerning general OHS laws (use of personal protective equipment for hands, legs and head, and

safety garment), especially at work with low or high temperature hazard.

Misuse of this product is prohibited.

The product assembled, installed and operated in compliance with this Manual is covered by a

commercial warranty from the manufacturer. The warranty terms, conditions and period are specified in the

relevant Warranty Sheet.

OPERATION AND MAINTENANCE MANUAL

01-2016