Certificate
G592011
Not system-bound
GRASL Pneumatic-Mechanik Ges. m.b.H.
Europastraße 1
AT 3454 Reidling
0043 - 22 76/212 00 0
0043 - 22 76/212 00 99
VdS 2579:2012-05 - Guidelines for Smoke Exhaust Systems - Locking Devices
Components and systems for smoke and heat venting systems
"MHV-3 / -4"
Bolting Device Mechanism
remarks see german page
Updated at: 13.07.2026