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Inert Amosphere Heavy-duty Box Furnace from Grieve

Electrically-heated, 2000°F inert atmosphere heavy-duty box furnace from Grieve

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heavy-duty box furnace from Grieve

 

No. 954 is an electrically-heated 2,000°F inert atmosphere heavy-duty box furnace from Grieve, currently used for heat treating titanium at the customer’s facility. 57 kW are installed in nickel chrome wire coils, supported by vacuum-formed ceramic fiber, to heat the load. Workspace dimensions are 30″ wide x 48″ deep x 30″ high. The oven’s 7″ thick insulated walls comprise 5″ of 2,300°F ceramic fiber and 2″ of 1,700°F ceramic fiber, while the 6-1/2″ floor insulation comprises 4-1/2″ of 2,300°F firebrick and 2″ of 1,200°F block insulation.

The unit is equipped with a roof-mounted heat-resisting alloy recirculating fan, powered by a 1-hp motor with V-belt drive, motor-operated vertical lift door, 100-lb. capacity alloy loading cart with cast alloy roller rails, 3-1/2″ diameter cast alloy rollers and a roller rail loading table with 4″ diameter cast iron rollers.

This Grieve furnace also features inert atmosphere construction, consisting of a continuously welded outer shell, high temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet, inert atmosphere outlet and inert atmosphere flowmeter.

Controls onboard No. 954 include a digital programming temperature controller, manual reset excess temperature controller with separate contactors, plus a strip chart recorder.