Starduct Disk Valve have frame made of aluminum sheet grade A6063-T5 and the core made of 1.0mm aluminum sheet . The adjustable core has screw allow it giong up and down by manually turning, so that the discharge airflow can be change in term of throw or volume. The frame is lengthen to create a "build-in air plenum" for flexible ducts of D150 ~ D350.

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

Production standards : Ashrea 70:2006. ASHRAE 70-2006 Standard “Method of Testing for Rating the Performance of Air Outlets and Inlets” ADC1062: GRD-84 “Test Code for Grilles, Registers and Diffusers”.TEST REPORT

Scope of testing: A) Sound Power Level (NC) B) Air Volume versus Static Pressure C) Area Factor D) Throw Pattern (test report pending)