Description Dimensions and packaging Technical data Diagrams Download

Material and colour:

• galvanized steel;
• RAL 9003.

Product characteristics:

• supply air valve designed for ceiling mounting on ventilation ducts;
• attenuated with sound-absorbing material;
• easy adjustment of air flow by rotating central part;
• blocking nut allows for setting the minimum slot;
• special design of rotary plate filled with attenuating material provides low noise level;
• high quality and modern design;
• valve can be installed directly on duct or plenum box;
• fast and easy installation.

	øD [mm]	ød [mm]	A [mm]	B [mm]	Packaging [pcs]
SF-S 100	135	100	15	45	7
SF-S 125	160	125	15	45	7
SF-S 160	191	160	15	45	7
SF-S 200	238	200	18	45	7

Sound attenuation ΔL [dB]:

	f [Hz]
	63	125	250	500	1k	2k	4k	8k
SF-S 100	22	17	13	10	2	2	7	8
SF-S 125	18	16	12	8	3	3	7	8
SF-S 160	18	15	11	9	4	5	7	9
SF-S 200	16	13	9	7	5	5	8	8

Catalogs and brochures:

Documents: