Hogfors 31300CS Series User manual

INSTALLATION AND OPERATION
MANUAL 31300CS SERIES
30/04/2014

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
2
CONTENT
General.................................................................................................3
Transport and storage......................................................................4
Hoisting................................................................................................5
Installation position ..........................................................................6
Recommended mounting................................................................11
Welding.................................................................................................12
Flushing ...............................................................................................13
Start up.................................................................................................14
Control use..........................................................................................15
Cavitation.............................................................................................17
Valve operation ..................................................................................19
Troubleshooting.................................................................................21

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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General
For complete information regarding the installation, operation, maintenance and
repair of the valve please see the full version of the instructions for installation, ope-
ration and maintenance of Högfors valves.
Valve disc must remain in closed position during transport, storage and installation.
Prohibited to hoist the valve from the
actuator.
Prohibited to remove the actuator during transportation, installation and operation.

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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The valve is delivered with an actuator that has been adjusted at the factory.
Transport and storage
• When receiving the valve, please check that there is no transportation damages.
• The valve must be stored in a secure location away from rain.
• The packing is not designed for long-term storage in the open air.
Prohibited to change the factory settings of the actuator

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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Hoisting
Please follow the recommended method for hoisting as shown below. Please use soft
cable for hoisting.
Förbjudet att lyfta ventilen i manöverdonet

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Installation postition
Please do not install the valve in the lowest sections of the pipeline or other places
where there is likely to be a concentration of impurities.

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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The valve can be mounted in horizontal (A), vertical (V) or diagonal (C) pipeline.

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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Please place the valve as far as possible from sources of turbulence: pumps, elbows
and tees.
Minimum Clearances:
After the tee or tapping L1 = DN x 3
Before the pump (suction side) L2 = DN x 3
After the pump (pressure side) L3 = DN x 5
L3
L2
L1

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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Do not install the pipeline support under the valve.
If the valve valve is the final item in the pipeline, then a welded plug flange must be
installed.

INSTALLATION AND OPERATION MANUAL 31300CS SERIES
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Recommended position of the valve in the pipeline:
1) shaft horizontally or
2) shaft inclined, but as close as possible to the horizontal position.
Rekommenderad position Tillåten position
Tillåten position Ej rekommenderad position
Vinkel a <45 deg
Vinkel a <45 deg