Smoke and heat exhaust ven­ti­la­tion sys­tems (RWA)

Smoke and heat exhaust ven­ti­la­tion sys­tems are essen­tial for fire pro­tec­tion. In app­li­ca­tions where the reliable per­formance of a smoke exhaust installa­tion in the event of a fire is crucial and when fumes need to be removed quickly, smoke and heat exhaust ven­ti­la­tion sys­tems (RWA) from Gretsch­-Unitas ensure the reliable and automatic ope­ning of smoke extrac­tion apertures. They minimise the deve­lop­ment of smoke in escape and rescue routes, thus pro­tec­ting people from poi­so­ning due to smoke inha­la­tion and pro­perty from damage. In eve­r­yday ope­ra­tion, they ensure a controlled supply of fresh air.

Natural smoke and heat exhaust ven­ti­la­tion devices (NSHEV) in accor­dance with EN 12101-2

According to EN 12101-2, sys­tems are only approved for use on vertical facades if they have been tested and approved with all their compon­ents as a whole. Here you will find GU NSHEV system solu­tions with cer­ti­fied compon­ents for timber and aluminium pro­files with Euro-groove from all leading pro­file system suppliers and for all cust­omary window types.

24 V drives

RWA drives and RWA ope­ning sys­tems from GU gua­rantee fast and reliable smoke extrac­tion in the event of a fire and pro­vide natural eve­r­yday room ven­ti­la­tion. The GU range comprises chain drives, spindle drives, locking drives and combined ope­ning sys­tems.

Control cen­tres 24 V

RWA cen­tral control units from GU control the extrac­tion of smoke gases in the event of a fire as well as eve­r­yday room ven­ti­la­tion. They con­sist of compact or exten­dable modules with backup batte­ries gua­ran­te­eing at least 72 hours of ope­ra­tion during a power failure.

Access­o­ries for RWA installa­tions

If you are sear­ching for various trig­ge­ring devices and control ele­ments for the control of smoke and heat exhaust ven­ti­la­tion installa­tions and for eve­r­yday room ven­ti­la­tion then look no further.


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