Preiser Scientific, Inc.
91-7122-01 Coal Pulverizer

Holmes Model 502XL Pulverizer is available either as a spring base (shown) or as an air base.
Holmes Pulverizer Model 502XL has a capacity of 400 grams of coal per minute using a screen with 0.024" diameter perforations and is recommended to pulverize minus-4 mesh coal to minus-60 mesh. This pulverizer is available either as a spring base (shown) or as an air base (cover) with a standard hopper (shown) or an extended feed hopper. Motors and wiring for hazardous locations are available.
• A quick opening latch provides easy access to the pulverizer and cuts power to both motors when the door is open.
• The one-piece, dynamically balanced rotor has hard, coated hammers.
• Available screen plate perforation diameters are (in inches) 0.020, 0.024, 0.033, 0.040, 0.0625, and 0.093. Also available are 0.010 X 17/32 inch slots. Three plates are included with purchase and sizes must be specified.
• The 390-cubic inch (6390 cm3) sample cup is tinned to prevent corrosion.
• The feed auger is chain-driven from an enclosed 1/8 HP, 2.7 amp, 115 V, single phase, TENV, AC gear motor. The auger speed is about 130 rpm.
• The rotor is belt-driven by a 1 HP, TEFC motor. The speed is about 8200 rpm. The 1.5" P.D. Poly V sheave will increase the speed to about 10,300 rpm.
• An enclosed Nema-12 motor starter has overload protection for each motor. The open-door sensor cuts all power until the reset (stop) button is actuated.
• Dimensions: 23 or 26-1/2"H x 19-1/2"W x 27"D; Weight: 244 lb Voltage: 230V / 1PH / 50Hz
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Kevin Westfall
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(304) 727-2902
Business Details

BUSINESS DETAILS

  Years Established: 20+
  Annual Sales: 5 - 25 million
  No. Employees: 25 - 49
  Type of Business: Manufacturer
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