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Valsir S.p.a
Waste and water
supply systems, underfloor heating system
and flush cisterns

In the Manual you will find many practical cases together with illustrative diagrams, in order to clearly analyze all the technological solutions typical of the design and installation phases, the principles on which siphonic drainage systems are based and the differences compared to gravity drainage systems.

Detailed description of the norms and of the design of gas supply systems, with practical examples and sizing rules in compliance with UNI 7129. In the manual are then listed the technical features and the application fields of Pexal Gas pipes and fittings, along with the description of the multilayer pipe manufacturing process with a focus on the advantages of crossed-link polyethylene and of the Aluminium.

The new Valsir sewage technical manual describes and classifies the most frequently adopted sewer systems, with the analysis of the methodology to evaluate the wastewater and rainwater flowrates, moreover, it is possible to find the procedures regarding the installation and the commissioning of the sewage according to the European Standard and the Australian/New Zealand one.

In this manual you will find a lot of information on the subject of acoustics and brilliant solutions for managing noise propagation in waste systems.
Much of the content relates to drainage system configuration and entire sections of the manual deal with design and dimensioning according to current standards; through practical examples and good site practice, you will learn all about the installation of these systems.
Come and discover how to optimize your waste system project using the ventilation branch!

An absolutely comprehensive manual that reviews all essential information on multilayer systems, from production to design to installation. Here you will find the latest updates on international standards, with installation examples and calculation procedures. There is a wealth of graphical content, with explanations and in-depth focus on every aspect of multilayer technology.

This manual is dedicated to the sanitary and waste systems located on offshore platforms and on board of any ship/vessel/boat. The first section concerns water supply with complete technical details regards the multilayer features and the relevant installation procedures. The following one refers to the design of the sanitary system with the mention to the calculation rules from ISO 15748. Lastly the manual focuses on the White Marine waste system, acoustic features, siphonage issues, ventilation systems and to the sealing properties of the pipes.

The technical manual on sewage water treatments is meant to be a supporting tool for all the professionals in the building industry. In this manual are listed and examined the national and the European norms, and the most common engineering solutions for the handling of the urban solid waste treatment processes are described in detail.