The Number 974 insulated quench tank from the Grieve Corporation is electrically-heated to 200 degrees for heating mineral oil to cure metal products after heat treating. The dimensions of the tank are 22" x 22" x 26" with one-inch insulated walls and an insulated, removable cover that hangs off the front of the tank. The unit is heated by 6.4 kw Incoloy-sheathed tubular immersion heaters, and a 1/3 hp motorized agitator is responsible for fluid motion in the tank. 

The Number 974 has a digital temperature controllers, manual reset excess temperature controllers with separate contactors and a fused disconnect switch. The tank has a type 316 stainless steel interior and exterior with a brushed finish. The Grieve quench tank includes a stainless steel workload basket with a removable handle that sits on top of the unit during quenching, and a basket support holds the basket above the quench oil for quick draining.