Centrifugal fan VRK series

Product description
LTG centrifugal fans in the VRK series are available in small to medium sizes. The bolted housing contains a welded, backward-curved impeller. One side of the outlet is fully open, which reduces dynamic pressure loss and requires approximately 25% less drive power compared with drum fans. Typical pressure capability for the VRK series is up to 2 000 Pa and volume flows reach up to 100 000 m³/h.

Variants
This series is available with single- or double-sided suction, multiple drive options and an extensive accessory range.

Application solutions

• Building and insulating materials
• Bakery technology
• Printing and paper technology
• Nonwoven
• Agricultural and wood technology
• Surface technology
• Tobacco machines
• Drying technology
• Process engineering
• Food and beverages
• Further industry solutions
• Textile technology / Nonwoven
• Thermoprocess and process engineering

Technical data (excerpt)
Type | Impeller Length [mm] | Air Volume [m³/h] | Max stat. Pressure [Pa] | Degree of Efficiency [%]
VRK 280 | 280 | 3 500 | 2 000 | 72.5
VRK 315 | 280 | 4 500 | 2 200 | 72.5
VRK 355 | 280 | 5 500 | 2 200 | 72.5
VRK 400 | 280 | 7 000 | 2 200 | 72.5
VRK 450 | 280 | 10 000 | 2 200 | 72.5
VRK 500 | 280 | 14 000 | 2 200 | 72.5
VRK 560 | 280 | 17 000 | 2 200 | 72.5
VRK 630 | 280 | 21 000 | 2 200 | 72.5
VRK 710 | 280 | 26 000 | 2 200 | 72.5
VRK 800 | 280 | 35 000 | 2 200 | 72.5
VRK 900 | 280 | 45 000 | 2 200 | 72.5
VRK 1 000 | 280 | 55 000 | 2 200 | 72.5

Characteristics / technical specifications

• Drive via V-belt or flat belt
• Quality grade G 6.3 according to DIN ISO 21940-11
• Compact dimensions
• Low noise level
• Stable pressure characteristic
• Motor overload possible when system resistance changes
• Backward-curved welded impeller
• One-side open outlet for reduced dynamic pressure loss and lower drive power
• Typical pressure range: up to 2 000 Pa; volume flow up to 100 000 m³/h