2.5 Zespoły i zawory bezpieczeństwa

2.5.1 Zawory bezpieczeństwa kołnierzowe do wody

1. Safety valve, SV300
The quick relief SV300 safety valve is controlled by the medium flowing through it via a pilot valve.It is preferably installed in branches of supply pipework and protects downstream parts of a system which are at risk from unacceptable...
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