ISO-UNI FITTINGS FOR SOCKET WELDING
ISO-UNI Fittings metric series for socket welding

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PP-H

Series of fittings designed for conveying fluids under pressure with a hot weld connection system (socket welding).

PVDF

Series of fittings designed for conveying fluids under pressure with a hot weld connection system (socket welding).

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PP-H FITTINGS MAIN PROPERTIES and CHARACTERISTICS:

High chemical resistance: the use of PP-H resins guarantees excellent chemical resistance especially in case of halogens and alkaline solutions and enables constant optimal mechanical properties thanks to the use of special additives. PP-H resins are totally compatible also for the convey of raw and drinking water, demineralised water and spa water for therapeutic and kinotherapeutic applications.
Optimal thermal stability: mainly in the intermediate temperature range from 10°C to 80 °C PP-H finds its ideal application in industry, guaranteeing excellent mechanical and impact resistance with high safety factors.
Lifetime: PP-H resins have a high value in the circumferential breaking strength (Minimum Required Strength MRS = 10.0 MPa at 20°C) and ensure extremely extended lifetime of installations, without signs of significant mechanical or physical deterioration.

PVDF FITTINGS MAIN PROPERTIES and CHARACTERISTICS:

- Excellent chemical resistance: The characteristics of PVDF remain unchanged in a temperature range of -40°C to +140°C. The PVDF pipeline systems is therefore ideal for all applications where high operating temperatures are required, with an extremely low level of fluid contamination, and optimal resistance to ageing under the effect of atmospheric agents and UV radiation.
- Excellent thermal stability: The characteristics of PVDF remain unchanged in a temperature range of -40°C to +140°C. The PVDF pipeline systems is therefore ideal for all applications where high operating temperatures are required, with an extremely low level of fluid contamination, and optimal resistance to ageing under the effect of atmospheric agents and UV radiation.
- Fire resistance: Solef® resins guarantee optimal fire resistance without the need for flame retardants (Limit of Oxygen Index, LOI=44%). Also, smoke emissions during combustion are moderate. Solef® PVDF resins are classified UL-94, class V-O.
- Purity: Solef® PVDF resin is an extremely pure polymer, which, unlike other plastic materials does not contain stabilizers, plastifiers, lubricants or flame retardants. It is therefore ideal to convey ultra-pure water and chemicals, where contamination-free properties are required with respect to the conveyed fluid.
- Lifetime: Solef® PVDF resins feature a high value in the circumferential breaking strength (Minimum Required Strength MRS = 25.0 MPa at 20°C) and ensure extremely extended lifetime of installations, without signs of significant mechanical or physical deterioration.