Starduct Pressure Relief Damper , Model : SPRD(S) frame is made of extruđe aluminum (A6063-T5), thickness ~ 1.2mm.

Damper blade made of 1.0mm aluminum plate

Operating by couterweight according to required pressure levels

Powder coating finish in RAL9010 standard colors or optional color as requested with Jotun paint or equivalent, service life over 5 years

Production standards : Complying with AMCA 500D; Test report No.10131/VLXD-TBMT, Test standard BS-EN 1751:1999

Scope of Test : Leakage of damper frame - Class A, leakage of damper blade -Class 1