Subject to storm water drain covers where you are from, different countries have different terms for "storm drain".
Accordingly to Wikipedia, a storm drain is essentially a tunnel that carry runoffs (rain) from urban areas. For a layman, it helps to think along the line of sewage system functions beneath our cities.
In the states, this is typically referred to as "storm drain" or "storm sewer".
In great britan, this is actually commonly known as "surface water drain" or "surface water sewer".
In Australia and New Zealand, it is also known as "stormwater drain".
And drainage grating there it is, the next time you hear someone mentioning "storm drain", "storm sewer", "surface water drain","surface water sewer" and "stormwater drain", congratulations, you know they refer to the 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 to avoid flooding.
Although storm drains accomplish a amazing job of draining excess water from the urban areas, the inlets are essentially openings where left uncovered could be a hazard to pedestrians. Left uncovered, rubbish will enter the storm drains and cause choking which can eventually patio drain covers end up with flooding.
To ensure storm drains serve their purposes while minimizing the risks posed to pedestrians and to prevent choking of the drains, drain covers (gratings) are widely-used to cover the inlets (openings) of the storm drains to accomplish the two purposes.
Over at Jonite, we concentrate on steel reinforced drain covers (gratings) that 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 basically the same thing as the trench drain. In floor trench drain reality, there are several names including line drain, slot drain, linear drain or strip drain which all refer to the identical object.
A channel drain (trench drain) is a type of floor drain that has a channel shaped body recognized by its long length and narrow width.
Channel drains (trench drains) are generally mistaken for french drains. It is advisable to note that french drains are not the same as channel or trench drains.
With just about 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 focus on steel reinforced channel (trench) grates (channel / trench covers) that gives you with the best of steel in its' durability and strength also, the elegance of stone which is unmatched by another material you can find to construct channel (trench) grates.
Take a look at our round drain grates range of channel grates (trench grates) here.
Link to: http://www.jonite.us/products/channel-grates