Sanit - Friaphon
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Crassus provides this piping system purely for informational purposes within the context of the Pipe Lexicon.

Pipe end
Material category Plastic
RXNR 38-1-S
Designation Sanit - Friaphon
Manufacturer Friatec
DN 50
Pipe end Spigot
Material name Styrene copolymer, ABS, ASA, Polyvinyl chloride
Color (exterior) Gray
Applications HVAC/MEP Sector, Drainage
ID (mm) 46
OD (mm) 52
Wall thickness (mm) 2.8

Whether hotel, hospital, residential building, single-family house or large kitchen: The sound-insulating house drainage system FRIAPHON is the proven and mature solution for many types of buildings. More than 25 years of construction site experience and millions of meters of pipeline laid across Europe speak for themselves. Thanks to continuous further developments, you can always rely on the sound-absorbing effect and the fire protection properties of the comfort sewage system made of high-quality plastic. The system ideally combines the combination of peace and security.

With added value factors:

- outstanding sound insulation

- unique fire protection

- diverse areas of application

- complete system

- extensive range of fittings and special fittings

- universal connection technology

- durable product

- economical solution

- comprehensive service package


All valid standards - DIN 4109 and VDI 4100 - are met by system components (pipe, connection, fastening) that are coordinated with one another.

Fire protection

Preventive fire protection regulations: Double safety through unique material properties and approved fire protection sleeves. And in addition, FRIAPHON will meet the requirements of the European fire classification B-s1-d0 according to DIN EN 13501-1 with the pipe and fittings production from the 1st quarter of 2016.

Areas of application

FRIAPHON can also be used as a base pipe in buildings and for the discharge of greasy wastewater. The system can also be used as a rain drainage line (up to 3 bar) thanks to a non-positive adhesive connection.

Complete system

FRIAPHON is available in DN 50 - DN 200. The largest dimension in particular makes sense in large buildings, since collecting pipes in DN 200 are necessary there.

Molded parts and special molded parts

Complete range of molded parts (double sockets, bends, branches ...), extensive range and quick creation of customer-specific special molded parts.

Connection technology

The permitted type of connection for every application: Plug. Glue. Clamps (tension connectors).


The requirements specified in DIN 1986-100 and DIN-EN 12056 for heat resistance up to 90 ° C (short term up to 95 ° C) and long service life (over 50 years) are met.

Source: Friatec

Inside Adaptors
Outside Adaptors
Industry Adaptors
Special Adaptors

Important : The terms and brand names used in the Crassus Pipe Lexicon are subject to trademark, brand, or patent protection of the respective companies. All illustrations are subject to copyright laws and property of Crassus GmbH & Co. KG. The pictures may differ from original.