OZL

Round airtight damper

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OZL OZL

Description

Airtight damper is used for the closing of air flow in ventilation systems that must ensure a high degree of air purity in the ventilated areas. According to VDI 3803 or DIN 24194, part 2 air leakage flow complies with Class II.

Construction

  • round casing
  • oval shaped damper blade with rubber seal
  • manual or actuator control mechanism

Material

Material options:

  • galvanized sheet metal
  • stainless steel sheet metal AISI 304

Accessories

Rubber seal rings in grooves on the casing.

Actuator

Manual (C)

Manual adjustment with handle

Electric actuator (E)

Prepared for Belimo actuator installation. Upon request the actuator can also be installed on the diffuser housing.

Actuator options:

  • LM24A
  • LM24A SR
  • LM230A
  • LM230A SR

Dimensions

  • 1 – casing
  • 2 – blade
  • 3 – handle or actuator bracket
  • 4 – rubber seal ring
Dimension 100 125 140 160 180 200 250 315 355 400
ø D 98 123 138 158 178 198 248 313 353 398
L 300 400 500

Product Code

OZL Product
315 Dimension
E+LM230A Actuator
LD Accessories

Dimension

Damper dimension in mm

Standard 100, 125, 140, 160, 180, 200, 250, 315, 355, 400 mm

Optional: any dimension

Actuator

Options:
  • R – central manual blade position adjustment
  • E – ready for actuator
  • E + code – installed actuator

Accesories

Options:
  • LD – rubber ring seal