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NOFIRE SYSTEM

Catalogo / Product Catalog / NOFIRE SYSTEM

Alfaidro NOFIRE represents the innovation for firefighting security, by being the alternative in thermoplastics to metal systems in the active protection area and more specifically in the wet pipe automatic sprinkler systems.
It stands out for its easy installation and handling thanks to its reduced weight – up to 80% compared to the metal pipe – the total absence of corrosion both inside and outside, no clogging of sprinklers, no leakage due to the welding technique, time and maintenance cost saving.

Plastica Alfa | Nofire systemThe Alfaidro NOFIRE system includes a FASER pipe made of PP-RCT with flame-retardant additive and reinforced by an intermediate layer of special fibers, and PP-RCT fittings; it meets high standards of mechanical and aging resistance and it is classified to fire reaction – in accordance to the UNI EN 13501-1 – as B-s1-d0.

Its use is approved in environments where the fire risk class is:
Low Hazard (LH) or Ordinary Hazard (OH) as defined by UNI EN 12845
Light Hazard (LH) according to NFPA 13, 13R and 13D standards
HC-1 according to the FM 1635 standard.

It can be installed both in new and pre-existing systems and, by using the weld saddles, it is possible to realize end-center and end-side arrays typical of sprinkler systems in a simple and fast way.

The Alfaidro NOFIRE range has passed rigorous fire resistance tests carried out by national and international laboratories and it is classified:
Class B, s1, d0 according to EN 13501-1 (equivalent to a class 1 according to DM 15/03/2005);
Class B1 according to DIN 4102-1

In addition, it is approved for the fire-fighting systems:
Further certifications are in progress.

Alfaidro NOFIRE range is also suitable for the conveyance of hot and cold drinking water in buildings that require fire resistance such as public buildings, hotels, vessels, caravans, shops, hospitals, schools, museums and private buildings.

How does it work

According to the UNI EN 12845 (design, installation and maintenance reference regulation for the fire sprinkler systems) “An automatic sprinkler system is designed to detect a fire and extinguish it with water in its early stages or hold the fire in check so that extinguishment can be completed by other means.

The sprinklers to use with the ALFAIDRO NOFIRE system are the ones with red glass bulb and they have to be certified: normal activation is at 68 °C (rapid response). When the hot smoke flow reaches the sprinkler head and the activation temperature, it opens and starts sprinkling water to the underneath area.

The ALFAIDRO NOFIRE system guarantees the water supply to the sprinkler at the pressure and flow conditions required by the plant and for the minimum duration prescribed by the reference standards, according to UNI EN 12845:

  • 30 minutes for LH activities
  • 60 minutes for OH activity

Advantages

  • Reduced time and costs
  • No more corrosion and encrustation – No more sprinkler clogging – Reduced system maintenance.
  • Increased hydraulic capacity
  • Resistance to chemical agents
  • Seismic absorption
  • Soundproofing
  • Impact resistance
  • 50-years service life
  • Potability and atoxicity
  • Ecology

Installation

Plastica Alfa | Nofire systemSOCKET WELDING

The welding operation is simple and fast and does not require the use of sealants or adhesives. The outer surface and the inner pipe surfaces are heated at the same time on the poly welder matrices. Once they reach the welding temperature, the two pieces can be inserted one into the other. The junction is ready.

A watertight, uniform and inseparable welding is done and it will last for the entire life of the plant. By this welding method, the pipe and the fitting become a single unit and the double thickness of the material in the weld area increases twice the connection safety in a point that is usually the critical point in metal system.

BUTT WELDING

It is performed by heating at the same time the lateral surfaces of two pipes or two fittings, having the same diameter and thickness, by using a welding tool. Once it reaches the welding temperature, the two pieces can be pressed together.

SADDLE WELDING

By using the saddle type of fittings, it is possible to modify existing systems in a fast and economical way; in fact it is sufficient to drill the pipe, weld the saddle connection to the pipe surface with the help of an appropriate matrix to have the connection ready for the sprinkler or for any additional line.

Range

Plastica Alfa | Nofire systemPipes

Alfaidro NOFIRE pipes are manufactured with the innovative composite FASERtechnology: the internal and external layers are made of PP-RCT, a 3rd-generation polymer that provides high mechanical and aging resistance; the intermediate layer in PPFV provides dimensional stability, which allows the use of a reduced number of clamping elements during the installation.

Fittings

The entire range of Alfaidro NOFIRE fittings is subject to a very strict quality control during the entire process. In addition to the socket welding fittings, several other types of joints are available:

  • transition fittings with metal inserts to connect the new system to former installations or to other threaded metal elements;
  • saddle fittings that can be welded directly to the external part of the pipe suitable for practical and reliable end-center and end-side arrays;
  • PACV joints and grooved fittings Alfarapid, available from size ø 1 “1/2 to ø 6”, to connect to pipes and grooved systems (Victaulic type);
  • PACV flanges (PN16 from size ø 1 “1/2 to 4” and PN10 from size 5 “to 6”) and flange adaptors to connect the system to other flanged systems;
  • compact PPR-CT valves with chrome plated brass ball and pin, available from size ø20 to ø160. Thanks to the one-piece body and the welding technique, they grant high safety parameters (the ball and gasket cannot move from their seats, even under the most extreme operating conditions).

Plastica Alfa | Nofire system

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Plastica Alfa S.p.A.
Contrada Santa Maria Poggiarelli (Z. Ind.)
95041 Caltagirone (CT) – Italy
P.IVA IT 01826360875

Tel. +39.0933.51973
Fax +39.0933.53049


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