The JSPM is Lindinvent's louver damper designed for regulating pressure and airflow in rectangular ventilation ducts.

• Motor Bracket: Designed to be compatible with the DBA damper motor.
• Material: Standard construction in galvanized steel sheet.

Available Dimensions:  

• Sizes: Width x Height (BxH) = 200x200 mm to 1600x1000 mm in specified combinations.
• Width (B): From 200 mm in 100 mm increments up to 800 mm, and from 800 mm in 200 mm increments up to 1600 mm.
• Height (H): From 200 mm in 100 mm increments up to 800 mm, then in one step of 200 mm up to 1000 mm.

The following two units are available with circular connections:

• JSPM 700x700/630: Rectangular 700x700 mm with circular 630 mm connection.
• JSPM 800x800/800: Rectangular 800x800 mm with circular 800 mm connection.

For regulating airflow in rectangular ducts, the JSPM damper is combined with the rectangular measuring flange SMRD.

For circular ventilation ducts, the SPM damper or the combined damper with measuring flange SPMF is used.