PVDF, ECTFE pressure pipe systems

PVDF, ECTFE pressure pipe systems

- The SIMONA® product range
- The material PVDF
- The material E-CTFE


The SIMONA® product range

- PVDF Pressure pipes
- PVDF Liner pipes
- PVDF-CL Pipes (increased resistance to chlorine radicals)
- PVDF-EL Pipes  (electrically conductive)
- PVDF Fittings
- PVDF Valves
- E-CTFE Pressure  pipes

Fields of application
- Industrial pipelines
- Piping systems in the semiconductors industry
- Chemical industry
- Tank and apparatus construction
- Ventilation systems 

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The material PVDF

- Service temperature range from -30 °C to +140 °C, depending on the application
- Impact resistant
- Light and weather resistant
- Low specific weight
- Physiologically safe
- No water absorption or swelling
- Excellent chemical resistance
- Low contraction
- High abrasion resistance
- Excellent electrical insulation properties
- Permanently tight, longitudinally strong connection through welding

In chemical terms, the fluoroplastic PVDF  (polyvinylidene fluoride) can be placed in a category between PE and PTFE.  On account of its molecular structure, it combines the excellent processing properties of polyethylene with the outstanding chemical  resistance of PTFE at high temperatures. Consequently, PVDF is resistant to most inorganic chemicals such as acids and salts, even at high  concentrations. In many applications PVDF has advantages over other fluoroplastics due to its user-friendly processability, high impact strength, good rigidity and low flammability. As a result, our PVDF pipes and fittings are certified as low-flammability products in accordance with  FM 4910.

Alongside PVDF pressure pipes, we also supply customised pipes  made of the materials PVDF-CL (highly resistant to chlorine radicals) and  PVDF-EL (electrically conductive PVDF).   

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The material E-CTFE

- Service temperature range from -30 °C to +140 °C, depending on the application
- Impact resistant
- Light and weather resistant
- Low specific weight
- Physiologically safe
- No water absorption or swelling
- Excellent chemical resistance
- Low contraction
- High abrasion resistance
- Excellent electrical insulation properties
- Permanently tight, longitudinally strong connection through welding

E-CTFE (ethylene-chlorotrifluoroethylene) belongs to  the fluoroplastics. In chemical terms, it is known as an alternating copolymer consisting of ethylene and chlorotrifluoroethylene with a comonomer ratio of approximately 1:1. SIMONA® E-CTFE is a partially crystalline thermoplastic which is manufactured from HALAR, a widely used raw material. E-CTFE features excellent resistance to aggressive  chemicals, including those in the alkaline range. It possesses an extremely low degree of permeation and excellent stress crack resistance to crack-inducing media. 

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