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Multi-blade dampers PWII

Multi-blade dampers PWII

Characteristic

PWII multi-blade dampers with backward blades are designed for air flow adjustment or closing in rectangular ventilation ducts. PWII multi-blade dampers with backward blades are designed for air flow adjustment or closing in rectangular ventilation ducts. They can be installed in air handling units or in a wall. Operating temperature: -20°C to +90°C, (+50°C for the actuator version).

PWII dampers have Sanitary Certificate no. HK/K/0841/03/2017.

Material

Thanks to their versatile design, PWII dampers can be made of a variety of materials. PWII-O dampers have housings and shutters (lamellas) made of galvanised steel profiles. PWII-U dampers have housings made of galvanised steel sheet and shutters (lamellas) made of aluminium profiles with edge seals.

PWII-N and PWII-M dampers have housings and shutters made of stainless steel sheet, with M-type lamellas fitted with edge seals.

PWII-U, and PWII-M dampers, having edge seals on lamellas, can be used in control and shut-off applications, while the other ones mainly for control.

All PWII dampers have a raised flange-shaped body (30 mm). Shutters are connected with bearings and gears made of PP polypropylene.

Finish

The design of PWII-O and PWII-N dampers ensures low air resistance when open, and the design of PWII-U, and PWII-M also guarantees tight sealing when closed. For A x B dimensions up to 1000 x 1005 [mm], the following is the standard damper size:

  • A – any dimension,
  • B – x 100 mm multiple + 5 mm.

A PWII damper may be adjusted to a manual or automatic (actuator) control system. The housing is made of galvanised or stainless sheet metal. It can be powder coated.

Downloads

Image File info Date Open Download
Smay PWII data sheet 1 MB 09.01.2019 Open Download
Hygienic Certificate PWII 0,3 MB 29.11.2016 Open Download
Declaration of conformity PWII 0.5 MB 14.12.2016 Open Download

See also

Product from category: Air dampers

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