Equipment for fans

Sound enclosure type VB for the reduction of mechnical noise from the fans, for the transport of clean air. Suitable for both indoor and outdoor mounting.

• Efficient sound enclosure
• Prepared for cable mounting
• Flex connections on inlet and outlet
• Internally lined with tested sound-absorbing materials
• Internally lined with tested fire resistant material
• Fan mounted on vibration absorbers
• Delivered with fittings for firm surface
• Is easily moved with forklift pockets

Weather-protected cover for elektro motors type VEI. The cover is equipped with air cooling intake and outlet for electro motors.

• VEI is made in galvanized, powder enamelled steel
• Weather protection cover can be retrofitted
• Suitable for Gram fans type VT, VL, VH, VF and VE
• Prevents electro motor damage
• Available in various sizes
• Is mounted on top of a fan

To meet customer requests and optimize the fan utilization Gram Clean Air is able to supply a rich equipment program for fans.

• Fan equipment program include among other things:
• Motor protection switches, complete
• Frequency converters for speed regulations
• Differential pressure transmitters for frequency converter control
• Versions with sparkfree ring in copper
• Protection grid, contact safety, according to norm EN 13857

Weather-protected outlet cover type AST is used for fans with horizontal outlet. It prevents that snow and ice enter the fans.

• AST is made in galvanized, powder enamelled steel
• Weather-protected outlet cover can be retrofitted
• Outlet is slant cut at 45 degrees
• Can be mounted on a fa
• Fits Gram fans type VT, VL, VH, VF and VE
• Prevents fan damages
• Available in many sizes

Gram FLEX-mountings are used for easy mounting of e.g. fans, aggregates, hose reels, exhaust channels and the like on walls, beneath ceilings or on roofs.

• Program for the mounting of e.g. fans
• Roof bearer type FTS for mounting on even roofs
• Bracket type FHK for mounting on vertical walls
• Bracket FKK, heavier version of FHK (for walls)

Sound absorbing material type LYM is intended for efficient soundproofing in connection with e.g. filter units and fans.

• Sound absorbing material for filter units and fans
• Sound absorbing material for air noise or vibration
• Sound absorbing materials with different densities
• Selection for sound absorbing materials depends on purpose
• All types are kept in stock

Vibration absorbers type VIB are used at fan mounting to a firm support, e.g. in connection with Gram brackets to avoid vibration propagation.

• Vibration absorbers are suitable for Gram brackets
• For fan mounting on firm support
• Prevents vibration propagation
• Suitable at pressurizing
• Thread bars in the both ends
• Cylindrical vibration absorbers/dampers