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Technical Data Dimensions - Inches (mm) Fluid: Compressed air Maximum pressure 150 psig (10 bar) Operating temperature* 0° to 125°F (-20° to 50°C) * Air supply must be dry enough to avoid ice formation at temperatures below 35°F( 2°C). Nominal bowl capacity 0.25 pounds (0.11 kg) desiccant Maximum allowable air flow: 10 scfm (4.72 dm 3 /g) Nominal air drying capacity: At 100 psig (6.9 bar) inlet pressure and 77°F (25°C) 750 cubic feet (21 cubic meters) Minimum required prefilters: General purpose filter with 5-micron element and an oil removal filter with equivalent pipe size and flow capacity equal to or greater than the desiccant dryer. (Oil vapor removal filter suggested). Desiccant regeneration: Desiccant can be dried and reused by removing from dryer and heating to 275°F (135°C). Regeneration is complete when desiccant returns to original orange color. Materials Body: Aluminum Bowl: Polycarbonate with steel bowl guard Supply tube assembly: Aluminum/ stainless steel screen Desiccant drying agent: Silica gel Filter element: Sintered polypropylene Elastomers: CR and Nitrile In stock Ships within one week EXCELON ® W74D DESICCANT Compressed Air Dryer • Helps eliminate condensate at point-of-use. • Replaceable element filters outlet air to help prevent desiccant dust migration down stream. • Desiccant color changes from orange to light green at the 35% moisture adsorpton level at 77°F, and continues to an intense violet at the 50% moisture adsorpton level at 77° (25°C). • Desiccant can be dried and reused or replaced with new packet. • Typical dew point supression of 15°F (-10°C) below inlet ambient pressure dew point. 2.89 (74) 1.00 (25) 1.45 (37) 3.15 (80) 6.18 (157) Closed Bottom 10.87 (276) * * Minimum clearance required to remove bowl. * Seal and filter element ** 5 bags desiccant, 0.25 lb. (0.11 kg) in each bag Model no. Port size PTF Bowl (closed bottom) Maximum pressure psig (bar) Element Service kit* Replacement desiccant** Weight lb. (kg) W74D3ANNPN 3/8" Transparent w/metal Guard 150 (10) Desiccant 4385-710 4385-700 2.00 (0.91) W74D4ANNPN 1/2" Transparent w/metal Guard 150 (10) Desiccant 4385-710 4385-700 2.00 (0.91) Models Service kit 1 1 AM-137 For further information visit www.imi-precision.com and use the new improved search function. If you cannot see the option you require please contact us. AIR MANAGEMENT Online at www.imi-precision.com/us or call 1.800.514.0129