Station Building Cafe | Case Study of Pressurized Drainage Pump Unit Adoption

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last updated：Jan 29, 2026

Introducing examples of cases prepared for issues caused by foreign matter contamination with the backup function!

Here is an example of the adoption of "Sewage NPB (OZ-100NPB)" in a café located in a station building. The facility is a store facing a shopping street adjacent to a terminal station, where a large number of users are expected both day and night. This increases the risk of issues arising from foreign object contamination, making a backup function essential. Since the restroom is used by an unspecified number of customers, a product equipped with a backup function was adopted. By installing it in a dedicated pump room at the back of the restroom, it not only serves as soundproofing and vibration control but also secures maintenance space. [Case Overview (Partial)] ■ Installation Location: Station Building Café ■ Model: Discontinued Sewage NPB (OZ-100NPB) / Replacement Model: Sewage and Wastewater Big NA (BG-201NA) ■ Connected Fixtures: Toilet Bowls and Hand Wash Basins *For more details, please download the PDF or feel free to contact us.

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【Summary of Other Cases】 ■Challenges <Requests> - Due to the store layout, it was difficult to install sewage drainage pipes, so a pump for pressurized drainage was chosen. - With a large number of users expected at all hours, the risk of malfunctions due to foreign object contamination was high, making a backup function essential. ■Proposal Details <Key Points in Design and Construction> - Since the toilets are used by an unspecified number of customers, products with a backup function were adopted. - By installing it in a dedicated pump room at the back of the toilet, soundproofing and vibration-proofing measures were implemented, while also securing maintenance space. - Hand dryers were adopted in the toilets to reduce the risk of foreign object contamination (such as paper towels). *For more details, please download the PDF or feel free to contact us.