PJA Type A single-blade air dampers

Intended use

Intended for use in rectangular ventilation ductwork to control the air flow.

Single-blade air volume dampers PJA type are intended for use in rectangular ventilation ducts to control the air flow. On special request, the damper may be manufactured with an additional gasket, guaranteeing tightness in the third-class range according to EN-1751 standard.

Working temperature: -20°C ; +90°C, (+50°C for version with actuator).

Material and finish

Dampers: galvanized steel SO or stainless steel (1.4301) SN

Mechanism components: profiled from galvanized or stainless
steel

Axes: aluminum

Gaskets: rubber

Normally, dampers are eqiupped with a flange and corners with
width of 30mm (version SO) or 20mm (version SN).
On special request:

• Dampers adapter to other types of connections,
• Dampers with external insulation.