Basic Info.

Product Description

model:rf-1; 38in-blade fan; 1.1kw motor; air delivery:26, 100cfm; dimension:1380*1380*350mm;fob price:$156usd   commercial exhaust fans exw price list - - - - model | blades diameter (m/m) | speed of blade r/min | air flow m3/hr | noise level (db) | power (kw) | weight (kg) | voltage (v) | dimension (mm) | exw shenzhen $=usd | rf-1 | 1270 | 450 | 44500 | <68 | 1.1 | 80 | 380/220 | 1380*1380*350 | $156 | rf-2 | 1110 | 480 | 37000 | <65 | 0.75 | 60 | 380/220 | 1220*1220*350 | $144 | rf-3 | 950 | 500 | 32000 | <60 | 0.55 | 55 | 380/220 | 1060*1060*350 | $134 | rf-4 | 790 | 520 | 28000 | <55 | 0.37 | 38 | 380/220 | 900*900*350 | $124 | - - - -   (british measure system) commercial exhaust fans fob price list - - - - model | blades diameter (in) | speed of blade r/min | air flow cfm | noise level (db) | power (kw) | weight (kg) | voltage (v) | dimension (in) | price (usd) | rf-1 | 50 | 450 | 26, 000 | <68 | 1.1 | 80 | 380/220 | 55*55*14 | $156 | rf-2 | 44 | 480 | 21, 000 | <65 | 0.75 | 60 | 380/220 | 49*49*14 | $144 | rf-3 | 37 | 500 | 18, 000 | <60 | 0.55 | 55 | 380/220 | 42*42*14 | $134 | rf-4 | 31 | 520 | 16, 000 | <55 | 0.37 | 38 | 380/220 | 36*36*14 | $124 | - - - -     1. additional manual switch to open/close the back shutter conveniently without electricity 2. stainless steel fan blade 3. big volume low noise 4. water proof dust proof 5. high-quality galvanized steel body 6.the bottom-discharged motor which is easier to maintain than top-discharged motor. 7. competitive price and reliable quality 8. energy-saving motor 1. the outline border adopt advanced automatic process,   more accuracy,   material adopt zinc coat and zinc plate 2. the aluminum metal alloy of the high strength hub,   adopt aviation aluminum magnesium metal alloy,   light weight,   high strength,   good tensile 3. shutter adopt special push-pull,   open- close device,   ensure shutter totally open and close,   windproof,   rainproof and dustproof 4. newly punch forming fan blade,   reasonable angle and reach the max. air flow,   mini. noise 5. double bracing (e style) belt transporter,   europe industry motor standard 6. safety net easily tears down 7. strictly quality test process: noise test,   vibration test,   concentric performance test,   fan blade turning speed test,   input air test and vehicle efficiency test 8. special motor hole wind shield,   avoid wind losing to reach the best wind suck effect