Based on where you are from, different countries have different terms for "storm drain".
Accordingly to Wikipedia, a storm drain is largely a tunnel that carry runoffs (rain) from urban areas. For a layman, it helps to think along the line of sewage system that operates beneath our cities.
In the states, this is actually often called "storm drain" or "storm sewer".
In the united kingdom, this is actually typically referred to as "surface water drain" or "surface water sewer".
In Australia and New Zealand, it is popularly known as "stormwater drain".
And there you have it, next time you hear someone mentioning "storm drain", "storm sewer", "surface water drain","surface water sewer" and "stormwater drain", congratulations, you know they mean the exact same thing.
Functions of storm drain include draining excess water (rain or storm water) and ground water from pavement, streets and carparks into rivers and streams in order to avoid flooding.
Although storm drains do a amazing job of draining excess water from the urban areas, the inlets are essentially openings where left uncovered can pose a hazard to pedestrians. Left uncovered, rubbish will enter the storm drains and cause choking which may eventually cause flooding.
In order to guarantee storm drains serve their purposes while minimizing the dangers posed to pedestrians and to prevent choking of the drains, drain covers (gratings) are widely-used to cover the inlets (openings) of the grate drains storm drains to accomplish the two purposes.
Over at Jonite, we specialise in steel reinforced drain covers (gratings) which cover your storm drains while preserving the aesthetic areas of the architecture around the drain covers.
What is a channel drain?
A channel drain is essentially the exact same thing as a trench drain. Actually, there are several names like line drain, slot drain, linear drain or strip drain which all refer to exactly the same object.
A channel drain (trench drain) is a type of floor drain which has a channel shaped body identified by its long length and narrow width.
Channel drainage covers drains (trench drains) are usually mistaken for french drains. Make sure you keep in mind that french drains are not the same as channel or trench drains.
With almost any drains, channel drains (trench drains) too require a cover to serve as a safety precaution and also to prevent large objects from entering the drains which cause choking.
At Jonite, we specialise in 8 inch drain cover steel reinforced channel (trench) grates (channel / trench grating floor covers) that gives you with the best french drain grate of steel in its' durability and strength plus the natural charm of stone that is certainly unmatched by another material you could find to develop channel (trench) grates.
Go and visit our range of channel grates (trench grates) here.
Link to: http://www.jonite.us/products/channel-grates