for decreasing pressure and having a throttling member separate from the closure member

Full Title

Means in valves for absorbing fluid energy > for decreasing pressure and having a throttling member separate from the closure member

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

Subclass:

VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING

Child Classifications

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• F16K 47/1 in which the medium in one direction must flow through the throttling channel, and in the other direction may flow through a much wider channel parallel to the throttling channel
• F16K 47/12 the throttling channel being of helical form
• F16K 47/14 the throttling member being a perforated membrane
• F16K 47/16 the throttling member being a cone