28 www.parker.com/gsfe Modular Aluminium Compressed Air Dryers K-MT Small Flow Heatless Adsorption Dryers Flow Rates Model Pipe Size Inlet Flow Rate L/s m3/min m3/hr cfm K-MT 1 1/4" 2 0.13 8 5 K-MT 2 1/4" 4 0.25 15 9 K-MT 3 1/4" 7 0.42 25 15 K-MT 4 1/4" 10 0.58 35 21 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) K-MT 1 - 4 4 58 16 232 5 41 50 122 50 122 230V 1ph 50/60Hz 115V 1ph 50/60Hz or 24V DC BSPP 65-86 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 K-MT 1 - 4 -40 -40 Class 2.2.2 -70 -100 Class 2.1.2 -25 -13 Class 2.3.2 ISO8573-1 Classifications when used with Parker OIL-X pre/post filtration. Inlet flow rate relating to 1 bar(a) and 20°C; relating to the suction performance of the compressor, compression at 7 bar(g) and 35°C dryer inlet temperature, at 25°C ambient temperature, 60% relative humidity. CFOD - Correction Factor Outlet Dewpoint Outlet Dewpoint °C -25 -40 -70 °F -13 -40 -100 Correction Factor 1.00 1.00 2.00 CFIT - Correction Factor Maximum Inlet Temperature Maximum Inlet Temperature °C 25 30 35 40 45 50 °F 77 86 95 104 113 122 Correction Factor 0.94 0.95 1.00 1.15 1.22 1.28 CFAT - Correction Factor Maximum Ambient Temperature 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 CFMIP - Correction Factor Minimum Inlet Pressure 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 1.12 1.00 0.88 0.79 0.76 0.74 0.67 0.62 0.59 0.56 0.53 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
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