38 www.parker.com/gsfe Modular Aluminium Compressed Air Dryers Model Pipe Size Inlet Flow Rate L/s m3/min m3/hr cfm OFAS HL 050 1/2" 15 0.92 55 32 OFAS HL 055 1/2" 19 1.17 70 41 OFAS HL 060 1/2" 25 1.50 90 53 OFAS HL 065 1/2" 31 1.84 110 65 OFAS HL 070 3/4" 42 2.51 150 88 OFAS HL 075 1" 51 3.09 185 109 OFAS HL 080 1" 61 3.67 220 129 OFAS HL 085 11/2" 83 5.01 300 177 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 OFAS HL 050 - 085 -40 -40 Class 2.2.0 -70 -100 Class 2.1.0 -20 -4 Class 2.3.0 ISO8573-1 Classifications when used with OIL-X pre/post filtration. Outlet Dewpoint °C -20 -40 -70 °F -4 -40 -100 Correction Factor 0.91 1.00 2.00 Maximum Inlet Temperature °C 25 30 35 40 45 50 °F 77 86 95 104 113 122 Correction Factor 1.00 1.00 1.00 1.04 1.14 1.37 Maximum Ambient Temperature °C 25 30 35 40 45 50 °F 77 86 95 104 113 122 Correction Factor 1.00 1.00 1.00 1.00 1.00 1.00 Minimum Inlet Pressure bar g 4 5 6 7 8 910111213141516 psi g 58 73 87 100 116 131 145 160 174 189 203 218 232 Correction Factor 1.60 1.33 1.14 1.00 0.89 0.80 0.73 0.67 0.62 0.57 0.53 0.50 0.47 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 CFMIT x CFMAT x CFMIP x CFOD 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. OFAS HL Medium Flow Heatless Adsorption Dryers Dryer Performance Flow Rates CFMIT - Correction Factor Maximum Inlet Temperature CFMAT - Correction Factor Maximum Ambient Temperature CFMIP - Correction Factor Minimum Inlet Pressure CFOD - Correction Factor Outlet Dewpoint 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) OFAS HL 050 - 085 4 58 16 232 5 41 50 122 55 131 100-240V (+/-10%) 1ph 50/60Hz 24V DC BSPP or NPT <75
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