Compression fittings (WaterKit) are designed for pressurized transport of drinking water. Components (A) – Fitting body, PP-B polypropylene material with excellent mechanical properties even at high temperatures, black color. (D) – Locking bushing, polypropylene material, black color. (B) – Compression sleeve, PP-B polypropylene material with additive having high UV radiation stability and heat resistance (grade 8, per DIN 54004), blue color RAL5005. (C) – Compression collar, POM acetal resin material with high hardness and mechanical strength, white color. (E) – O-ring seal, NBR acrylonitrile elastomeric rubber material specially for food use, black color. Reference standards Dimensions: UNI 9561 Working pressures: UNI 9562, DIN 8076-3, ISO 14236, BRL-K03 polyethylene pipes: EN 12201, DIN 8074, UNI 7990 Threads: UNI ISO 7/1, EN 10226-1, ANSI ASME B1-20.1 Flanges: DIN 2501-1, EN 1452-3, ISO 7005-2 Use PN represents the maximum working pressure (~PFA in EN 805 standard) and has a value of 16bar for diameters 16-63mm and 10bar for diameters 75-110mm, at a working temperature of 20°C.