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Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type-Square SEFD manual return type-HAT type
Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type-Sanko Industries Co., Ltd.

Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type
Sanko Industries Co., Ltd.


About This Product

■Product features

・Compared to conventional products, airtight performance has been significantly improved. (Improves the airtightness of smoke exhaust equipment) ・Prevents air leakage from the outside of the duct, something that conventional products did not have. (Prevents external air from being sucked in from the shaft, etc.) - Prevents deterioration of airtight performance after installation. (The airtight tightening mechanism maintains airtight performance for a long time) - The blades are connected externally and the bearings are ball bearings. (Operation is ensured by anti-corrosion and improved pressure resistance)

■Smoke damper specifications

・Always closed type, the blades are opened by an electric signal from a manual opening device or an interlocking operation device. - There are two types of return (blade closure): automatic return type (remote return) and manual return (hand return). ・Please refer to the attached technical data for the specifications of the automatic closing device and manual opening device. - The main body is made of hot-dip galvanized steel plate and has a marine silver paint finish. - Comes with a 280°C temperature fuse and fire protection.

  • Product

    Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type

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1 Models of Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type

Image Part Number Price (excluding tax) Shape Specification
Damper Standard specification SEFD Smoke and fire prevention damper Manual return type/Automatic return type Highly airtight specification damper Manual return type-Part Number-Square SEFD manual return type-HAT type

Square SEFD manual return type-HAT type

Available upon quote

FG type

High airtightness

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