الوصف

Single and multi-leaf volume control dampers are designed for quiet, efficient and reliable air volume control in ventilation systems. The SPK*0 Damper is ruggedly built with a case of robust assembly formed from channel frame for flanged connections to duct work. The blades are formed single skin reinforced, with longitudinal structurally-designed ‘V’. Blade action is standard as parallel, but can be supplied as opposed blade action at no additional charge. Blade edge seals and jamb (side seals) can be fitted for low leakage requirements. Dampers can be manual, with locking quadrant, or motorized, with a wide range of electrical actuators readily available. Frame: **0mm x *0mm x 1.5mm (*6 ga.) galvanized steel formed channel for flange connections. Blades: **0mm max.width,1.5mm (*6 ga.) galvanized steel. Finish: Mill galvanized. Linkage: Side linkage concealed in frame for parallel and opposed blade operation. Face linkage available (optional). Case bearings: Brass bearing as standard. Sintered bronze iolite (optional). Axles: *2mm diameter zinc plated mild steel. Control shaft: *2mm diameter zinc plated mild steel. Minimum size: **0 x **0mm,damper up to **0mm high are single blade construction. Maximum size: 1,**0 x 1,**0mm, as single section. Multiple section assembly with unlimited size, where each section operates independently. For details of multiple sections consult SAFID. Temperature limits: **0 degrees C to ***0 degrees C.