The soundproofing casing

At the request of the customer belt blowers can be completed with the soundproofing casings. The casing reduces noise level by 15-20 dB.
The working resource of the compressor 2AF hub makes 80000 hours of continuous work, the compressor GM hub - 100000 hours of continuous work.

Blowers	Overall dimensions (no more), mm
	A, mm	B, mm	H, mm	Weight, kg
GM 3S GM 4S GM 7L	1330	810	1105	140
GM 10S	1500	1000	1250	190
GM 15L GM 25S	1700	1060	1350	210
GM 30L GM 35S	1950	1190	1650	350
GM 50L GM 60S	2240	1190	1650	350
GM 80L	2240	1280	1750	385
GM 90S	2470	1300	1810	425
2AF49	1430	920	1180	170
2AF51 2AF53	1500	1000	1250	190