Sunstrom Air attachment SR 307

SR 307 is simple to fit to Sundström half masks and full face masks. The air flow rate can be controlled by means of the regulating valve on the users belt to a value between about 150 and 320 l/min. The supply pressure to the regulating valve should be between 4 and 7 bar. A flow meter and a warning whistle for temporary and continuous monitoring of the air flow are included. The compressed air attachment is especially intended for applications involving heavy and sustained work in environments in which the pollutants have poor warning properties or are particularly toxic. Tested in accordance with EN 14594:2005 Approved with Sundström half masks in class 3A Nominal protection factor 200 Approved with full face mask in class 4A/4B Nominal protection factor 2000