Heating – Symbols of Basic Norms of Spanish Edification –
Drawing labels, details, and other text information extracted from the CAD file (Translated from Galician):
gas, diesel fuel, liquid fuels, diesel outer tank, gas exterior deck, atmospheric gas, heating: nte itic, upstream circuit, upstream circuit, heat emitter: radiator, equipment purger, ambient thermostat, indicator of pressure, outbound net, pressure regulator, pressure limiter, petroleum liquefied petrol bushing, retention valve, return net, gate valve, pass valve with drain faucet, key step