PSDreams
Backdrop
All PNGs16 of 30 in this pack
Manual circular butterfly balancing damper.

Manual circular butterfly balancing damper

Manual circular butterfly balancing damper.

1254 × 1254 px,
transparent background

Free for personal and commercial use. PSDreams License

From the pack Ventilation Ductwork and Air Terminals Photo

30 PNGs made to match, so they sit together in one design.

  • Spiral-seamed circular galvanized duct section.
  • Rectangular galvanized duct section.
  • Uninsulated flexible foil ventilation duct.
  • Insulated flexible ventilation duct.
  • Segmented circular 90-degree duct elbow.
  • Circular 45-degree duct elbow.
  • Circular equal tee branch.
  • Circular 45-degree lateral branch.
  • Concentric circular duct reducer.
  • Rectangular-to-round duct transition.
  • Low-profile rectangular vertical duct elbow.
  • Circular joining sleeve with twin rubber seals.
  • Curved saddle branch takeoff.
  • Six-port radial air-distribution box.
  • Ceiling valve plenum with twin radial inlets.
  • Manual circular butterfly balancing damper.
  • Gravity backdraft shutter insert.
  • Circular acoustic duct silencer.
  • Inline ventilation filter box with open service lid.
  • Replaceable pleated rectangular panel air filter.
  • Round disc ventilation valve.
  • Square four-way ceiling diffuser.
  • Rectangular double-deflection supply grille.
  • Linear slot air diffuser.
  • Exterior weather louver grille.
  • Wall termination cowl with down-facing opening.
  • Static roof ventilation cowl with flashing base.
  • Window trickle ventilator.
  • Door transfer-air grille.
  • Circular-duct inspection access hatch.
Open pack
  • A turquoise equal-arm laboratory balance with two yellow pans and pale-blue suspension supports.
  • A watercolor terracotta amphora with two loop handles and a worn banded body.
  • A round natural woven placemat with concentric fibers and a finished bound edge.
  • Metal check-up tray holding a dental mirror, hooked explorer and angled tweezers.
  • A green wheelbarrow with a metal frame, one rubber wheel and two wooden handles.
  • An ivory wool-felt circular photo frame with burgundy blanket-stitched edges and an open center.
  • An open book with blank cream pages and a burgundy ribbon draped down the center.
  • Wooden upright acoustic piano with a visible keyboard and pedals on a transparent background.
  • Concert snare drum mounted on a three-legged stand on a transparent background.
  • A champagne-gold foil balloon shaped as the digit 9, with a sealed seam and a complete curling ribbon.
  • Vertical planetary orbit border in textured indigo, dusty-blue, teal and warm-ochre watercolor on a transparent background.
  • A graphite double massage ball with two connected rounded lobes.