Ramal de Entrada de Água
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
NBR 5626
About this calculator
The Water Inlet Branch Calculator is a practical tool for calculating the dimensions and specifications of a water inlet branch in construction projects. Based on the NBR 5626 formula, this calculator is useful for professionals in the advanced hydraulics and construction industry.
When to use this calculator? In construction projects that involve the installation of water systems, such as commercial, residential or water infrastructure buildings. It is also useful for calculating the dimensions of water traps and other hydraulic applications.
Common precautions when using this calculator include ensuring that the branch dimensions are compatible with the water system specifications and that the slots and curves are designed to minimize pressure loss. Additionally, it is essential to consider the head pressure and the resistance of the branch material.
This calculator is a useful tool to ensure that construction projects are executed in accordance with Brazilian standards and regulations, such as NBR 5626.
Frequently asked questions
What is the formula used by the Water Inlet Branch Calculator?
The Water Inlet Branch Calculator uses the NBR 5626 formula, which is a Brazilian standard for water system installation.
What is the minimum diameter for a water inlet branch?
According to NBR 5626, the minimum diameter for a water inlet branch is Ø 25 mm.
Can I use this calculator for other types of applications?
Yes, this calculator can be used to calculate the dimensions of water traps and other hydraulic applications, as long as they are compatible with the NBR 5626 formula.
How can I ensure that the branch dimensions are compatible with the water system specifications?
To ensure that the branch dimensions are compatible with the water system specifications, it is essential to consider the head pressure and the resistance of the branch material.
Why is it important to consider the head pressure and the resistance of the branch material?
The head pressure and the resistance of the branch material are important factors to consider to ensure that the water inlet branch is properly designed and minimize pressure loss.