A check valve allows for flow in one direction and a gate valve is used for positive shut off and a globe valve is used for throttling
The Gate valve is the stop valve & the Globe valve is the fluid Regulating valve.
A gate valve can be an isolation valve. An isolation valve is a term used to describe the purpose of the valve. A gate velve is a type of valve
The difference is that a sluice gate is made out of cast iron while a slide gate isn't.
a gate valve is a one way totally open or closed valve, a control valve is a variable valve.
A ball cock is self closing a gate is manually turned on and off
A Knife Gate Valve is used to slice through sludge /sewerage and a gate is used fro normal positive shut off If you want to find the photo of Knife Gate Valve,you can enter to the link:http://www.kolinkcn.com/
A knife gate is normally used on a sewerage system to cut though waste under the gate seat to allow for positive shut off
In globe valve we just handle small amount and small pressure of fluid while in gate valve we can handle a large amount and large pressure of fluid.
Gate valve shuts straight down to close off the line. A ball valve has a hole through it and is rotated to close the line. Gate is used for liquid and ball is for gas but can also be used for liquid.
An air valve is a spring loaded plastic valve for ventilation. A gate valve is an old fashioned type of water valve where turning a handle lowers a blocking gate over the water inlet. Any sensible plumber now uses ball valves instead.
a gate valve is a valve you turn the handle round and round until it shuts off a ball valve is a valve with a lever that you turn 1/4 turn and its off hope this helps plumber paul