by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve

Full Title

Pipe-line systems > for gases or vapours > Arrangements for producing propulsion of gases or vapours > by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

STORING OR DISTRIBUTING GASES OR LIQUIDS

Subclass:

PIPE-LINE SYSTEMS; PIPE-LINES