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

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Weldable high-density system.

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The range is made up of 3 and 5 m length pipes, available in SDR 26 and SDR 33 and a wide range of fittings and accessories that allow the most varied system configurations to be constructed.

From a 32 mm diameter for creating branches, to a 315 mm diameter for waste manifolds.

The range is made complete with coupling accessories for connections to the other Valsir waste systems, anchor clips and all the equipment necessary for installation.


Wide range of diameters

Wide range of diameters from DN 32 mm to DN 315 mm, available in SDR 26 and SDR 33.

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Accessories for all installation requirements

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Surface mounting of pipes requires the use of suitable brackets that must withstand the weight of the pipe, the weight of the waste water and the forces that are generated by expansion and contraction.

In relation to the type of bracketing chosen, the so-called guide points and fixed points (or anchor points of the pipeline) must be provided. In all cases, if the waste system is required to reduce noise then sound reducing brackets with anti-vibration rubber must be used.


Ventilation branch waste system

Valsir can supply a waste system with a 110 mm and 160 mm diameter ventilation branch.

This is the ideal solution in high-rise buildings where the simultaneous use factor of the sanitary appliances is high.

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Ease and versatility of installation.

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Valsir HDPE is extremely easy to use, it offers numerous jointing methods and meets all installation requirements.

Valsir HDPE is used to construct drainage systems for waste water and rainwater in residential buildings

and in collective buildings such as offices, hotels, hospitals, schools, police barracks, factories, sports centres.

Its excellent resistance to UV light allows surface mounting both indoors and outdoors.


Manual butt-welding

Thanks to the extremely light weight of polyethylene, pipes and/or fittings up to a 63 mm diameter can be butt-welded using a manual process which involves the use of a heating plate only. It’s an extremely convenient jointing method on site.

Machine butt-welding

Valsir supplies butt-welding machines that weld up to 315 mm diameters. This process is extremely useful for the prefabrication of system parts that are then installed and connected on site using the other numerous jointing methods, such as welding with electrofusion sleeves.

Electrofusion couplings

Thanks to the use of electrofusion couplers that are available in 40 mm diameters to 315 mm diameters, all system parts can be prepared. Valsir supplies two types of welding machines that guarantee rapid, uncomplicated and extremely reliable welding.

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Accessories for all installation requirements.

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Surface mounting of pipes requires the use of suitable brackets that must withstand the weight of the pipe, the weight of the waste water and the forces that are generated by expansion and contraction. In relation to the type of bracketing chosen, the so-called guide points and fixed points (or anchor points of the pipeline) must be provided. In all cases, if the waste system is required to reduce noise then sound reducing brackets with anti-vibration rubber must be used.

If the waste system is constructed using Triplus® or Silere® then the employment of sound insulating pipe brackets is essential.


Guide points

Guide points are created using brackets which, as well as supporting the weight of the pipe, they also allow the axial movement of the pipe, preventing it from flexing due to the increases in length caused by heat expansion, following increases in the temperature of the room and the waste water

Guide points are created when the bracket is not tightened completely around the circumference of the pipe, giving it free axial movement.

Fixed points

Fixed points are also called anchor points and are created in order to prevent any movement of the pipe in the area where the bracket has been fixed. The aim of the fixed point is to divert the variations in length of the pipe in the desired direction, that is, towards the ring seal sockets, the expansion sockets or towards the compensation deflection arms.

Fixed points are usually achieved by using suitable brackets that are closed tightly around the circumference of the pipe.

Collarwings

Valsir Collarwings is the new range of fire stop collars produced in compliance with the most recent standards and suitable for installation on plastic waste and drainage pipes. The Collarwings fire stop collars are made of steel and painted with polyester powder fitted with special intumescent inserts which, in the event of fire, expand and squeeze the pipe thus preventing the passage of flames, combustion gas and vapours and acting as a thermal insulation.


 

Repair using electrofusion sleeves

Damaged pipe can be repaired or existing pipes can be altered thanks to the Valsir electrofusion sleeves. Welding with electrofusion couplers is the most practical jointing method.

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Solutions for all requirements.

 

Valsir can supply a waste system with a 110 mm and 160 mm diameter ventilation branch.

This is the ideal solution in high-rise buildings where the simultaneous use factor of the sanitary appliances is high.

This innovative waste system guarantees excellent ventilation of the waste stack and branches on each floor, limiting pressure fluctuations in the system.

This system also offers significant advantages in terms of money savings thanks to the possibility of constructing single stacks (therefore without installing parallel ventilation) in one single diameter, either 110 mm or 160 mm with double the draining capacity as compared to systems with primary ventilation.

Single soil stack

Single soil stack, a parallel ventilation pipe is not required.

Increase in drainage flow

Increase in drainage flow in comparison with conventional systems.

 

Reduction in speed

of waste flow.

Excellent ventilation

of the stack and branches of each floor.

Up to 6 connections

on one branch fitting.

up to 195* apartments

Up to 45* apartments can be connected to the same soil stack with a 110 mm diameter and up to 195* apartments can be connected to a 160 mm diameter soil stack.

* The number of apartments depends on the composition of the same.


The same diameter is up to 2.2 more performant

System with primary ventilation
 
System with parallel ventilation
up to 1.4 more performant
System with ventilation branches
up to 2.2 more performant

System with primary ventilation

 


System with parallel ventilation

Drainage capacity 40% greater than waste systems with primary ventilation.

System with ventilation branches

Drainage capacity is 120% greater than waste systems with primary ventilation.

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Special Joints.

 

Flange fitting

This jointing system is used to connect tanks or hydraulic appliances with flange connections. It is a removable joint and is stress-rupture resistant.

 

Screw thread fitting

This is a removable joint that is useful where system parts need to be connected together and practical and rapid removal is necessary.

If it is not fitted with a collar then this type of joint will not supply stress resistance, and requires the pipe to be suitably anchored.

 

Ring seal socket

This jointing system uses a push-fit socket and seal to connect prefabricated system parts together. This type of joint does not provide stress resistance; it must therefore be used with a suitable system for anchoring the pipe.

 


 

Expansion sleeve

This jointing system incorporates a seal that is used to compensate any thermal expansion in horizontal and vertical segments of the waste system. This type of joint does not provide stress resistance; it must therefore be used with a suitable system for anchoring the pipe.

 

Contraction expansion socket

This jointing system is suitable for connecting systems made of other materials to the polyethylene pipe, especially when the structure and surfaces are irregular. Water tightness is guaranteed by the seals in the joint; it is not stress resistant.

 

Threaded fitting

This jointing system is used to connect polyethylene pipes to threaded metal pipes. It is available both with a male or a female thread.

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