valve

Table of Contents

Introduction References & Edit History Related Topics

Images

Types of valves. globe, butterfly, poppet, and spool

gasoline engine lubrication system

Discover

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile

6 Lost Civilizations

Hindu Holi Festival celebrations with colored water, powder and colorful flower petals thrown over celebrants at a Hindu temple in Mathura, Uttar Pradesh, India on March 24, 2021.

Holi: Festival of Colors

Moonrise over Tucson, Arizona

Why Doesn’t Arizona Observe Daylight Saving Time?

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

Close up of periodic table, focus on nickel, copper, zinc, palladium, silver, cadmium

When Was the Periodic Table Invented?

A mug shot taken by the regional Colombia control agency in Medellin

Pablo Escobar: 8 Interesting Facts About the King of Cocaine

valve: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Photos

Types of valves. globe, butterfly, poppet, and spool

gasoline engine lubrication system

See All Images →

Topics

spool valve exhaust valve butterfly valve expansion valve globe valve plug valve poppet valve safety valve intake valve machine particle accelerator clock robot lubrication simple machine balance sundial drilling machinery optical interferometer oscilloscope

Dig Deeper: More Articles That Discuss This Topic

gasoline engine: Valves, pushrods, and rocker arms