Purgeur pour la société SOLVAY (réf...
Purgeur pour la société SOLVAY (réf 1210022)
The air purge valve allows the evacuation of the air at a flow rate controlled by the cross section of the nozzle Ref. 1,thus limiting water hammer at the end of the purging operation.
In fact, the laws of air-flow mean that this cannot exceed the speed of sound, ie., about 200 m/sec in the concerned, whatever the pressure may be upstream.
It should be noted that this flow rate is attained at abcut 2 bar absolute.
Due to this, any water hammer following the completion of a purge of the circuit is pratically cancelled out.
Choice of ND of air purge valve.
The choice of air purge valve must make allowance for :
La SNH fabrique également la gamme des purgeurs DUOSONIC sur demande.
Specification leaflet available on demand
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