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


The new noise-dampering technology of push-fit waste systems.


Valsir PP3® is a waste system made up of pipes, fittings and accessories for the construction of waste and rainwater drainage systems.

Valsir PP3® is an extremely light system and thanks to the push-fit socket with hydraulic seal it represents the most simple solution for the construction of waste and drainage systems.

Valsir PP3® is manufactured to European Standard EN 1451 and can be used for waste systems at low and high temperatures, ventilation systems for waste networks and for rainwater drainage systems inside buildings for civil and industrial use, hospitals and hotels.

The wide range of pipes, fittings and accessories allow the entire waste network to be made, from the branches to sanitary appliances to the stacks and waste manifolds.

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Light weight, simplicity and reliability


Smooth internal surface, white in colour

To facilitate video inspection operations.

High impact resistance temperatures below 0°C

High impact resistance at extremely harsh temperatures below 0°C.

from DN 32 mm to DN 160 mm

Wide range of diameters from DN 32 mm to DN 160 mm characterised by triple layer pipes and single layer fittings.

Corrosion resistance

Corrosion and abrasion resistance.

Chemical resistance

High chemical resistance to the substancesdissolved in civil and industrial waste waters


Wide range of transition fittings for connection toother waste systems such as cast iron, PE, PP, PVC.

Valsir Green Building


The product, its recyclability and the production processes used are based on Green Building principles, in respect for the environment and for the conservation of resources


A complete range for all requirements

The range is composed of pipe lengths from 150 mm to 3000 mm with one socket, two sockets or smooth pipes without sockets.

Dai diametri più piccoli, quali 32, 40 e 50 mm per la realizzazione delle diramazioni ai piani, si arriva al diametro 160 mm per collettori di scarico.

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Facilità e versatilità di installazione

Push-fit joint: rapid and easy installation

Valsir PP3® ensures a practical and rapid installation without the use of glues or special tools thanks to the jointing system with push-fit sockets.

The particular shape of the seal and the housing of the push-fit joint guarantee hydraulic tightness and allow the normal movements of the pipe including those caused by thermal expansion.

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Case history

The advantages of the PP3® system installed in great buildings all over the world.

Athénée Palace Hilton

Bucarest (Romania)

Peles Castle

Bucarest (Romania)

Zazerkalie housing estate

Samara (Russia)

Hotel Europa

Bucarest (Romania)

Certified quality

The range has been certified by the strictest certification bodes.



Valsir provides complete support both during the planning phase and on site, thanks to a first-class technical office made up of a team of highly experienced engineers, capable of dealing with the most complex system requirements.

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Silvestro Software

Silvestro is a software program created by Valsir to help planners in the creation of water supply and waste systems. Thanks to its ease of use it allows the Valsir products to be easily adopted in any project.

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