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 enclosures type VB are intended for the noise reduction from Gram fans. The enclosures are made in galvanized steel plates. Are supplied with strong fittings for firm surface.
Product Features
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
Product Highlights
Flex connections for clean air transport
Flex connections
Fan mounted on vibration absorbers
Fan
Prepared for cable mounting
Cable
Easy anchoring on firm surface
Surface
Further data
Gram sound enclosures type VB are internally lined with sound-absorbing material according to EN ISO 11925-2 and fire resistant material according to Flammability ME 1333, category B. (see brochure page ”LYM”, product Group 8 (Equipment)).
The emitted noise from the fans is reduced by approx. 15dB(A).
Indicative noise damping data, see brochure page VB.
To achieve a total fan noise damping it is necessary to silence fan inlet and outlet. This is possible with e.g. channel silencers.
Fan is mounted on vibration absorbers and connected on connections with flexible connections.
The construction is not suitable for material transport due to flexible connections.
Prepared for mounting of cables (up to 3 pieces).
Electro motor is cooled through sound sluice.
The cabinet is easily moved by forklift pockets.
VB is made with fittings for firm surface and be connected to all Gram fans e.g.: VT, VL, VH, VF, VE, VP, RV and HV.