Preiser Scientific, Inc.
Z90-9301-01 Hardgrove Grindability Machine

Preiser Scientific’s Grindability Tester is available in a full family . . . all equipment and supplies needed to test the grindability of coal by the Hardgrove machine method.
Preiser Scientific’s Grindability Tester is a compact precision built instrument designed specifically for the determination of the relative “hardness” or abrasive potential of coal. Unit is constructed in strict accordance with ASTM Designation D-409 and conforms to procedures proposed by ISO for the determination of the Hardgrove Grindability index of coal and coke.
• Stationary lower steel grinding bowl is mated with an upper grinding ring consisting of eight steel balls that rotate at 20 rpm.
• Grinding ring is rotated by a motor/belt driven spindle to which 29 kg of removable weights are attached that bear onto the eight rotating balls.
• A counter/switch assemble totals the number of revolutions and automatically stops the machine at the end of 60 revolutions.
• Sample loading is remarkably easy because of the design of the machine.
• Machine is virtually maintenance free because high-quality and durable materials have been used in the manufacture of this instrument.
• Dimensions: 25”H x 24”W x 18”D; Weight: 312 lb Voltage: 220V / 1PH / 50Hz
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CONTACT INFO
Kevin Westfall
Vice President
(304) 727-2902
Business Details

BUSINESS DETAILS

  Years Established: 20+
  Annual Sales: 5 - 25 million
  No. Employees: 25 - 49
  Type of Business: Manufacturer
  Languages
  Spoken:
English
Chinese
Spanish
  Current Markets: Europe
European Union
United Kingdom
Western Europe
Central Europe
Eastern Europe
Russian Federation
Baltic States
Asia
East Asia
South Asia
India
Asia-Pacific
Japan
China
Pacific Rim
Hong Kong
Taiwan
Middle East
South Africa
Oceania
Australia
New Zealand
North America
Canada
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Latin America
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Mexico
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  Desired Markets: Entire World/All