Usually used for installation on the walls of new elevator lobbies and smoke exhaust shafts, it can also be installed on the side of smoke exhaust system pipes or at the end of air ducts.

Main functions and features

Normally closed, electrically and manually opened.

Output the start signal.

Manually reset and close.

Adopting a thin mechanism to reduce the size of the operating box and increase the effective ventilation and smoke exhaust area.

Main technical parameters:

Action voltage/current: DC24V/0.5A.

Leakage rate: 290m3/m2 · h ≤ 700 (at a pressure difference of 1000Pa).

The temperature sensor operates at 280 ℃.

structure

Main components: valve body, valve disc, bushing, thin actuator, grille panel.

When the B size is ≥ 800, assemble 2 actuators.

Specifications and dimensions (A × B × L)

Rectangle: 400 × 400 × 150~2000 × 1250 × 150