Grieve Special Custom and Modified Industrial Ovens & Furnaces

Modified Equipment

BULLETIN
TC-960

MODIFICATIONS AND
OPTIONAL EQUIPMENT

Size and Configuration of equipment can be altered for special applications including:
—Modified work space dimensions
—Left hand construction
—Multiple door openings or chambers
—Doors front and rear
—Powered vertical lift doors
—Revised air heater location
—Alternative recirculated air flow patterns

Material Handling Equipment can be provided including:
—Special loading trucks and shelves
—Roller conveyor or roller rail hearth
—Roller conveyor shelves
—Powered roller conveyors
—Motorized car bottoms
—Rotary hearth
—Rotisserie
—Multiple drawer assemblies

Heat Input, other than electric resistance or direct gas, can be provided including:
—Indirect gas
—Direct oil
—Combination gas/oil
—Steam heated
—Steam injection with humidity control

Construction Changes are available including:
—Body reinforcement for heavy loads
—Loading shelf reinforcement
—Special materials such as stainless steel,
—Incoloy or Inconel
—Filtration
—Special exterior paint
—JIC or other electrical requirements
—Remote or freestanding control panels

Designs other than those shown in our catalog are available including:
—Bell ovens and furnaces to be lowered over the work load
—Air heaters to be used as sources of heated air
—Tunnels for use with existing conveyor systems
—Cooling stations or zones

OPTIONAL EQUIPMENT

Digital Timer, in lieu of standard analog timer
Option DT
Program Timer, 7-day, 24-hour timer to start and stop oven (electric only) Option 7DA
Audible Alarm, interlocked with timer or other control Option ALRM
Auto Restart Circuit, to restart oven after brief power outage, includes Audible Alarm Option RC
Fused Disconnect Switch, installed adjacent to control panel and interwired Option FD

Viewing Window, 8" x 10" double pane installed in door:
Double pane Pyrex up to 650°F Option PPW
Double pane Pyrex/Vycor up to 1000°FOption PVW
Interior Oven Light, including on-off switch at control panel:
Up to 350°F   Option L350
Up to 650°F    Option L650
Up to 1000°F, provides exterior light to shine through window into oven  Option L1000

Pipe Port, with cap, 3/4" NPT, installed through wall or door: Carbon steel Option PPC
304 stainless steel Option PPS
Cable Port, 3" diameter with internal and external slide damper:
Aluminized steel Option CPA
304 stainless steel Option CPS
Work Space Thermocouples, installed through wall to monitor local work space temperature Option WST

Dampers
2-position damper on fresh air inlet or exhaust outlet; requires temperature controller alarm output or timer output to select damper position Option OTPD

Modulating damper on fresh air inlet or exhaust outlet; requires current output temperature controller to control damper position Option OMD
Disposable Fresh Air Filter, 20" x 20" x 1" in housing covering fresh air inlet Option FHA
HEPA Fresh Air Filter, 24" x 24" x 6" with prefilter, in housing covering fresh air inlet Option HFA

Combustion Air Filter, installed on gas burner combustion air inlet Option MAG
Magnetic Brake, on recirculating blower used with automatic door switch to rapidly stop recirculating blower when door is opened Option MAG
Export Crating, a solid wooden crate consisting of 4" x 4" skid with solid deck, 2" x 4" framed side walls and roof sheathed in plywood, 1" x 6" bump boards on corners and 1" x 6" cross bracing on sheathing. Equipment is bolted to skid and draped in a continuous sheet of plastic before crating Option EXPT