Used Union Process Inc. Szegvari laboratory batch attritor mill. Type 1S. Size 1. This batch type attritor mill has a 1.5 gallon capacity jacketed bowl with a stainless steel shaft and hardened tool steel arms. The bowl has a working capacity of .8 gallons. The mill is driven by a 3 HP 1170 rpm motor that is tagged for hazardous locations with a mechanical variable speed drive. Attritor comes with a 2-piece aluminum cover, a 1-piece stainless steel cover with gas inlet/outlet and charging port for grinding with inert gas, and an adapter for a 750cc tank with a 2-piece aluminum cover for 750cc tank, a 1-piece stainless steel cover with gas inlet/outlet and charging port for 750cc tank, and a stainless steel agitator for 750cc tank. Serial number 950900. Requires 230/460 vac 3 phase electrical supply.