Intended to protect ventilation openings from return air, rain and snow.
Non-return damper EKO-S is intended to protect ventilation openings from return air, rain and snow. EKO-S is used with Roof duct EKO-T or as non-return damper in wall and rectangular ducts.
The Non-return damper EKO-S is available in two versions:
• Type 1 for exhaust air
• Type 2 for supply air