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


Push-fit flame retardant waste and drainage system inside buildings.


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

Valsir PP 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 PP 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


Light weight and extreme ease of installation

Light weight and extreme ease of installation on site without the aid of special tools, thanks to the push-fit connection. Furthermore, the push-fit socket does not require the use of harmful glues or solvents.

Corrosion resistance

Corrosion and abrasion resistance.

Extreme temperatures

Resistance to intermittent discharges at temperatures as high as 95°C.


Chemical resistance

High chemical resistance to the substances dissolved in civil and industrial waste waters.


from DN 32 to DN 160

Wide range of diameters from DN 32 mm to DN 160 mm.



Wide range of transition fittings for connection to other waste systems such as cast iron, PE, 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 forthe conservation of resources.


A complete range for all requirements

The range is composed of pipe lengths from 150 mm to 3 m with one socket, two sockets or smooth pipes without sockets.

It features a wide choice of fittings and accessories that allow the most diverse system configurations to be constructed.

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Facilità e versatilità di installazione

Push-fit joint: rapid and easy installation

Valsir PP 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 PP system installed in great buildings all over the world.

The Romanian Athenaeum

Bucarest (Romania)

Dinamo Stadium

Bucarest (Romania)

Victoria Aqua Park

Samara (Russia)

Golf Club Riviera

Cattolica (Italia)

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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