Schako, Fire and Smoke Dampers, models:

BKA-EN	Additional Operating Instructions
BKA-U	Installation, Mounting And Operating Instructions
BKP-EN	Installation, Mounting And Operating Instructions
BSK-EN	Installation, Mounting And Operating Instructions
BSK-RPR	Additional Operating Instructions
BSK-RPR Series	Additional Operating Instructions
BSK-RPR-EU	Installation, Mounting And Operating Instructions
BSK-RPR-EU Series	Technical Documentation Manual
ERK-MB Series	Technical Documentation Manual
ERK-SO	Technical Documentation Manual