VAPI-SL

EXTRUDED ALUMINUM DAMPERS WITH INSULATED BLADES & SIDE LINKAGE

STANDARD CONSTRUCTION
MODEL
VAPI
SINGLE BLADE, MAX. HEIGHT OF 11-3/4" (298 MM)

PARALLEL ACTION, MIN. HEIGHT OF 12" (305 MM)

OPPOSED ACTION, MIN. HEIGHT OF 14" (356 MM)
FRAME EXTRUDED ALUMINUM 6063-T6, 0.102" (2.6 MM) THICK
BLADES EXTRUDED ALUMINUM 6063-T6, 0.08" (2 MM) THICK
DRIVE
AXLE
MACHINED 1/2" X 1/2" (12.7 MM X 12.7 MM) SQUARE TO
Ø 1/2" (12.7 MM) ROUND STEEL BAR, BOLTED
AXLES 1/2" X 1/2" (12.7 MM X 12.7 MM) ALUMINUM BAR, PUNCHED
OPERATING TEMPERATURE ​-40 °C TO 74 °C (-40 °F TO 165 °F)
FRAME
SEALS
​SILICONE -62 °C TO 288 °C (-80 °F TO 550 °F)
BLADE
SEALS
​SILICONE -62 °C TO 288 °C (-80 °F TO 550 °F)
BLADE INSULATION ​POLYURETHANE FOAM (R-2.74 FACTOR)
​​BUSHINGS ​INNER PART: CELCON (POLYMER)

OUTER PART: POLYCARBONATE
STOPPERS ​PVC
LINKAGE ​SIDE (CONCEALED IN FRAME), 11 GA STAINLESS STEEL
SINGLE SECTION ​MIN. : 6" (152 MM) X 6.5" (165 MM)

MAX. : 60" (1 524 MM) X 48" (1 219 MM)
MULTIPLE SECTIONS ​VARIOUS CONFIGURATIONS AVAILABLE

INTERMEDIATE STRUCTURAL SUPPORT (BY OTHERS) IS REQUIRED FOR DAMPERS THAT CONSIST OF MORE THAN TWO 48" (1 219 MM) SECTIONS IN HEIGHT
AVAILABLE OPTIONS
FRAME FLANGED
ASSEMBLY FACE AND BYPASS

JACK SHAFT 3/4" (19 MM)
BUSHINGS BRONZE

STAINLESS STEEL

BALL BEARINGS
HARDWARE ​STAINLESS STEEL
​​FRAME SEALS ​ROUNDED STAINLESS STEEL STRIP