APORIS - 8
5.3 Cavitation
APORIS is a Double Offset Butterfly Valve to be used as a shut off valve and on/off position. In case it is
requested to control the flow, please, call your nearest KSB sales Company giving all related technical information.
Do not
operate the valve under cavitation conditions.
5.4 Flow Velocity
Following limits should be observed with fully open position: Pressure rating PN 16: 4.0 m/s
5.5 Maximum temperature and pressure
Pressure rating PN 16: 16 bar at 85°C
5.6 End of line installation
Use as end of line and downstream dismantling at ambient temperature of standard range.
NB: A valve fitted at the end of a pipe with a blind flange downstream is not to be considered as an end of pipe service.
Valves
Gas or liquids*
Liquids
Hazardous
(Group 1)
Non hazardous
(Group 2)
Hazardous
(Group 1)
Non hazardous
(Group 2)
APORIS
All sizes : not
authorized
All sizes : not
authorized
All sizes : not
authorized
All sizes :
ΔPS = 10 bar max
PS: Differential pressure * Liquids whose vapour pressure at the maximum allowable temperature is greater than 0.5 bar
above normal atmospheric pressure (1013 mbar)
5.7 Optional accessories
Locking device
It is possible to lock the position of the disc in full open or full close position by means of locking device.
This locking device is fixed on the body instead of the bottom rep. 176.
Locking device engaged
Locking device disengaged
Do not
operate the valve when the locking device is engaged.
