enclosure

EDK Series of Air-Conditioner Centrifugal Fans case can made of hotdipping steel or rollsteelsheets,fans side lives up to aerodynamical principle.Fanss have protective outer frame , safe and reliable.Volute and side connection uses unite forming system ,cases are made of rollsteelsheets , which surface are electrostatic powder spraying, smooth ,flat and beautiful.

impeller

EDK Series of Air-Conditioner Centrifugal Fanss use specific shape forward multiwing impeller, and adopt illustration rivetting for impeller cover and disc.Impeller, cover and disc are made of hotdipping steelwhich is colded precessed.Every fans are adjusted dynamic balance according to JB/T9070, precision is G4.0.

inlet hose

Inlet hose of EDK Series of Air-Conditioner Centrifugal Fanss use one time punching and bending with hotdipping steel or rollsteelsheets, install to fans sides,cross section that is paralleld with axle direction,air fluency, little loss.

Axle

EDK Series of Air-Conditioner Centrifugal Fans mail axles use 45 fine Carbon Construction Steel,  are made by thermal refining with fine process.After installation, surface of main axles are finished with antirust and anti-corrosion, that can protect main axle

outer frame

EDK Series of Air-Conditioner Centrifugal Fans outer frames below 4.5# can use zinc coating steel with punching and tox rivetting.Over 5.0#, frames can use Rolled Steel Section with weldding, surface is finished by paiting.

bearing

EDK Series of Air-Conditioner Centrifugal Fans bearings, below 4.5# can use totally-enclosed bearing,vibrating loop wraps bearing, and fasten to side of fans by bolt.Above 5.0# can use UCP bearing with base,fasten to frame, every bearing base has hole for adding lubricant.

belt pulley,belt

EDK Series of Air-Conditioner Centrifugal Fanss use tapesleeve type lock belt pulley, easy to take down.Belt pulley can be grown or exotic accordingly