FireGard™ Chain Or Crank
Combination hand chain or hand crank / controlled closing system operator including steel chain or removable hand crank, geared reduction unit and an electric wall mounted close control station. Fire door system closing is activated by melting of fusible link. Maximum closing system speed of 12" per second. System reset procedure is to replace and reset fusible link.
Available for fire doors that do not require the daily operation convenience of a motor operator in the above FireGard closing system conditions and that will have the required access to the hand chain or crank operator. Available for use on all counter fire doors and fire doors to 34' wide or 28' high. Crank units available for units less than 12' high. Chain or crank operation is not recommended for doors that will be used frequently.