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Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD-Square circle FD
Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD-Sanko Industries Co., Ltd.

Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD
Sanko Industries Co., Ltd.


About This Product

■Pressure resistant specifications

・Wind speed is 10m/s or less at 500Pa or less. HFD is less than 20m/s. -If installing near a blower, please order a high pressure type.

■Operation function

Instantly closes due to thermal fuse interlocking. Its melting temperature is nominally 72°C. However, HFD has a melting temperature of 280℃.

■Main structure: square shape

・Unless otherwise specified, 4-point hanging is standard. ・The inspection port is 100 x 100. If the H dimension is less than 350, it will be installed on the bottom. - All processing of the case body is welded. -The main body is a square damper, and a t1.6 nipple or circular FG is installed as the duct connection port. ・The upper limit of size is Φ1200.

  • Product

    Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD

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1 Models of Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD

Image Part Number Price (excluding tax) Shape Specification
Damper Standard specification FD fire protection damper Damper with cover for outdoor installation Round large diameter damper for fire protection Square circle FD-Part Number-Square circle FD

Square circle FD

Available upon quote

Φ500-φ1200

Special model

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