Which of the following is a legal and commonly used trap? bell trap S trap drum trap P trap
which of the following is a legal and commonly used trap? bell trap S trap drum trap or P trap
A bell trap is a bell-shaped stench trap - a device used to prevent foul air from rising from the opening of sewers and drains.
drum trap Decent codes will not allow a Bell trap, Drum trap, S trap The better codes allow a running or P trap
absolutely not
P trap
The legality of a bell trap can vary depending on local building codes and regulations. It is important to check with your local authorities to ensure that the installation of a bell trap complies with all relevant laws and regulations in your area.
D = P trap BUT you did forget E = Running trap
Only one trap above is legal the P trap in civilized areas of the planet
This is a commonly debated question. However, it all depends on what you want to use it for, where it will be used.
A bell type is used for storm catch basins but they are not fool proof when the water level falls below the crown weir and thus methane or other sewer gases can escape
P-trap is to prevent gasses from passing thought the pipe. For example, in a residential setting, a p-trap is installed on all residential drains in order that sewer gases do not use the pipe as a conduit and enter the home.