Thursday, December 18, 2014

GRIEVE NBS-400 Bench Oven - Class A

Class A Oven by Anderson-Bolds and Grieve Corporation

Model NBS-400 meets the requirements of OSHA and National Fire Protection Association Standard 86 for Class A ovens. Not for use in hazardous locations as defined in the National Electric Code.

These rugged bench ovens are designed for a wide variety of industrial heat processing applications including those where flammable solvents or vapors will be present in the oven.


— Recirculating blower
— 304 stainless steel interior
— Incoloy sheathed tubular heating elements
— Silicone rubber door gasket
— Analog, thermocouple actuated, temperature controller
— Adjustable, thermocouple actuated, manual reset excess
     temperature interlock
— On-off switch
— Red pilot light indicates heater operation
— Sturdy steel construction
— Brushed stainless steel exterior
— 6 lb/cf density industrial rockwool insulation
— Built-in baffles prevent radiant heat
— Fully factory tested
— 1 year limited warranty

Fan forced recirculation of heated air throughout 7 cubic foot work space at temperatures to 400°F. Includes two (2) removable nickel plated wire shelves easily adjustable on 2" centers. Holds a maximum of seven (7) shelves. Includes safety equipment required when flammable solvents or vapors are present in an oven.

Grieve NBS Class A Bench Oven

Standard Electrical Characteristics
— 208 volts, 1-phase, 60 Hz
— 230 volts, 1-phase, 60 Hz
— Other electrical characteristics available

Completely wired control panel assembled on the oven enclosing the temperature controller, manual reset excess temperature interlock, pilot light to indicate when heaters are energized and on-off switch. Includes additional safety equipment required by OSHA and NFPA 86 for Class A ovens. Will handle a maximum of 3 ounces (0.024 gallons) of flammable solvents or vapors per batch at a maximum temperature of 400°F. 

Manual Reset Excess Temperature Interlock
Turns off heat if oven exceeds 400°F.

Back-Up Heating Element Relay
Turns off oven heat on excess temperature controller actuation in the
event of failure of the primary heating element relay

35 CFM Separately Powered Forced Exhauster
Provides safety ventilation. Exhaust outlet 4" diameter.

Exhauster Air Flow Safety Switch
Turns off oven heat if exhauster fails

Recirculating Blower Air Flow Safety Switch
Turns off oven heat if recirculating blower fails

Purge Timer
Provides time delay to allow exhauster to pull four oven volumes of
air through the oven prior to turning oven heat on

Contact Anderson-Bolds for all your Electric Processing needs.
We can enhance your production.

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