70 www.parker.com/gsfe Modular Aluminium Compressed Air Dryers ATT+ Green Hybrid Low Energy Dryers Compressed Air Dryers Dryer Performance Dryer Models Dewpoint (Standard) ISO8573-1:2010 Classification (Standard) Dewpoint (Option 1) ISO8573-1:2010 Classification (Option 1) Dewpoint (Option 2) ISO8573-1:2010 Classification (Option 2) °C °F °C °F °C °F ATT+ -40 -40 Class 2.2.2 -70 -100 Class 2.1.2 -20 -4 Class 2.3.2 ISO8573-1 Classifications when used with OIL-X pre/post filtration. Stated flows are for operation at 7 bar (g) (102 psi g) with reference to 20°C, 1 bar (a), 0% relative water vapour pressure. For flows at other pressures, apply the correction factors shown below. Product Selection & Correction Factors For correct operation, compressed air dryers must be sized using for the maximum (summer) inlet temperature, maximum (summer) ambient temperature, minimum inlet pressure, required outlet dewpoint and maximum flow rate of the installation. To select a dryer, first calculate the MDC (Minimum Drying Capacity) using the formula below then select a dryer from the flow rate table above with a flow rate equal to or above the MDC. Minimum Drying Capacity = System Flow x CFIT x CFAT x CFMIP x CFOD Flow Rates Dryer Models Pipe Size Inlet Flow Rate Average Power kW L/s m3/min m3/hr cfm ATT+ 060 11/2" 100 6 360 212 1.9 ATT+ 090 11/2" 150 9 540 318 2.3 ATT+ 140 2" 233 14 840 494 2.6 ATT+ 260 21/2" 433 26 1560 918 4.2 ATT+ 340 21/2" 567 34 2040 1200 5.6 CFIT - Correction Factor Maximum Inlet Temperature Maximum Inlet Temperature °C 25 30 35 40 45 50 55 60 65 °F 77 86 95 104 113 122 131 140 149 Correction Factor ATT+ 0.82 0.82 1.00 1.23 1.45 1.82 2.44 2.63 2.94 CFAT - Correction Factor Maximum Ambient Temperature Maximum Ambient Temperature °C 20 25 30 35 40 45 50 °F 68 77 86 95 104 113 122 Correction Factor ATT+ 060/090 0.93 1.00 1.06 1.14 1.23 1.33 1.47 Correction Factor ATT+ 140/260/340 0.94 1.00 1.05 1.11 1.20 1.30 1.39 CFMIP - Correction Factor Minimum Inlet Pressure Minimum Inlet Pressure barg 4 5 6 7 8 910111213141516 psi g 58 73 87 100 116 131 145 160 174 189 203 218 232 Correction Factor ATT+ 1.61 1.33 1.15 1.00 0.96 0.93 0.91 0.88 0.87 N/A N/A N/A N/A CFOD - Correction Factor Outlet Dewpoint Outlet Dewpoint °C -20 -40 -70 °F -4 -40 -100 Correction Factor 1 1 1 Technical Data Dryer Models Minimum Operating Pressure Maximum Operating Pressure Minimum Operating Temperature Maximum Operating Temperature Maximum Ambient Temperature Electrical Supply (Standard) Electrical Supply (Optional) Thread Type Noise Level bar g psi g bar g psi g °C °F °C °F °C °F dB(A) ATT+ 060/090 2 29 12 174 5 41 65 149 50 122 230V 1ph 50Hz N/A BSPP <75 ATT+ 140 2 29 12 174 5 41 65 149 50 122 400V 3ph 50Hz N/A BSPP <75 ATT+ 260/340 4 58 12 174 5 41 65 149 50 122 400V 3ph 50Hz N/A BSPP <75
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