DR-V

Variable Swirl Diffuser

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DR-V

Description

The DR-V variable swirl diffuser is a high-performance, long-range diffuser. It is designed for heating and cooling rooms with open ceilings from 3 to 15 m high. It allows the precise adjustment of the ratio between horizontal and vertical air intake with minimal influence on pressure variation.

Construction

  • round housing with connection opening on the vertical position
  • air supply openings at the perimeter and at the bottom plate of the diffuser
  • element for controlling the direction and volume of air

Material and finish

Material options:

  • galvanized sheet metal (standard)
  • stainless steel sheet metal AISI 304 SB
  • stainless steel sheet metal AISI 316L SB

Standard finish: RAL 9010 matte

Optional finish: any colour from the RAL palette.

Actuator

Manual (C)

Central manual blade position adjustment

Electric actuator (E)

Actuator options:

  • CM24-L
  • CM230-L

The actuator can only be installed on diffusers of dimensions D1=400 to 800.

Thermostatic actuator (T)

Thermostatic actuator installed on the diffuser measures intake air temperature and automatically adjusts the position of the blades. It works at temperatures between 22 ºC and 38ºC. It does not need an additional source of energy. Diffuser is set to an optimal position and activated in the factory.

Dimensions

dimension Ø D Ø D1 H Q (m³/h)
250/125 123 250 79 100-340
300/150 148 300 89 160-550
300/160 158 300 89 160-550
400/200 198 400 105 300-1040
400/250 248 400 105 300-1040
500/315 313 500 107 380-1330
600/355 353 600 139 680-2350
600/400 398 600 139 680-2350
800/500 498 800 172 1210-4150
dimensions

Installation

Suspended from the ceiling.

Product Code

DR-V Product
T Actuator
400 Diffuser dim.
250 Connection dim.
ZN Material
RAL 9010 Finish
LD Accessories

Actuator

Options:
  • C – manual
  • E – actuator CM24-L or CM230-L (only D1=400 – 800 mm)
  • T – thermostatic actuator

Diffuser dim.

Diffuser dimension in mm

Options: 200, 250, 300, 400, 500, 600, 800 mm

Connection dim.

Connection opening dimension in mm

Options: 125, 150, 160, 200, 250, 315, 355, 400, 500 mm

Material

Options:
  • ZN – galvanized sheet metal
  • INOX AISI 304 – stainless steel sheet metal AISI 304
  • INOX AISI 316L – stainless steel sheet metal AISI 316L

Finish

Without

Standard: RAL 9010 matte

Any other RAL colour

Accessories

Options:
  • LD – rubber seal on spigot