[DN 40 Gray]

[DN 90 Gray]

[DN 50 Gray]

Ostendorf HTsafe double sleeve DN 50 mm material: polypropylene (PP) hot water resistant production according to DIN EN 1451-1 or DIN 19560-10 application drainage inside buildings as dirty water pipe, rainwater pipe, air pipe (see also areas of application: DIN 1986-4) colour: traffic grey B RAL 7043 seal: factory inserted S BR seal according to DIN DIN EN 681 chemical resistance: dissipation of aggressive media in the range pH 2 to pH 12. Sound protection: measured value 21 dB (A). Sound insulation test according to DIN EN 14366 (Fraunhofer Institute). Noise emission at 4 litres volume flow according to measurement with Bismat 1000 (P-BA 222/2016).