Main water valve - Orbinox knife gate valves.

Main Water Valve

water valve
An electro-mechanical device that opens a valve to allow water to flow. The electric current causes a magnetic field to develop, in the solenoid coil, which then moves a metallic plunger. The plunger in turn opens the valve. May also be called a FILL VALVE.

main
chief(a): most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch"
Denoting the center of a network, from which other parts branch out
any very large body of (salt) water
Chief in size or importance
a principal pipe in a system that distributes water or gas or electricity or that collects sewage

Main "shutoff" valve & meter Water Main Installation & Valve Vault
See also:
auto top off float valve
velan top entry ball valves
pressure regulator valve adjustment
concentric butterfly valve
air compressor bleed valve
globe check valve
plastic diverter valve
three way valve pvc
asahi diaphragm valve
cifial 201611620 one handle pressure balance mixing valve trim