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Sewage Outlet of Mobile Toilet

Admin October 11, 2026

There is no fixed standard value for the size of the sewage outlet at the back of mobile toilets. The common diameters generally range from 100 millimeters to 150 millimeters, and it can be opened by using a tool to pry open the baffle and rotate to remove the cover.

Size Conditions

The size of the sewage outlet at the back of mobile toilets is not unchangeable and there is no fixed standard value. The common diameter range is from 100 millimeters to 150 millimeters. Among them, for small and simple mobile restrooms, since the number of users is relatively small and the internal facilities are relatively simple, the diameter of the sewage outlet is usually 100 millimeters. This size can meet its daily sewage discharge needs and also conform to the overall design and spatial layout of small mobile toilets. For slightly larger mobile toilets with a larger number of users or more complete facilities, such as a more perfect flushing system and a larger sewage storage space, in order to ensure smooth and efficient sewage discharge, the diameter of the sewage outlet may reach 150 millimeters. In addition, the size of the sewage outlet is also affected by factors such as the usage scenario and the design of different manufacturers. In different usage scenarios, such as outdoor large-scale event sites and construction sites, the requirements for the sewage discharge capacity of mobile toilets are different, and manufacturers will design sewage outlets of different sizes according to these actual needs.

Opening Method

When you need to open the sewage outlet at the back of a mobile toilet, you can use tools such as an iron sheet. First, use the iron sheet to pry open the baffle of the sewage outlet of the mobile outdoor toilet. This step requires careful operation to avoid damaging the baffle or the surrounding structure. After prying open the baffle, you will see the cover of the sewage outlet. At this time, rotate the cover of the sewage outlet to the left to remove it. After removing the cover, you can perform operations such as flushing the sewage outlet to ensure its internal cleanliness. After flushing it clean, follow the opposite steps to reinstall the cover, that is, rotate the cover to the right until it is firmly fixed.