Standard Equipment and Options (A to B)
| KEY |
DESCRIPTION |
| AFR |
AFR Filter/Trap/Regulator. High volume air filter, moisture trap and pressure regulator to assure supply compressed air is clean, dry and at the
proper pressure before entering the furnace. Option available on most furnaces. 
|
| AR1 |
Gas Reservoir (Belt Tensioner). Pressurized gas system with tank, check valve and separate regulator to maintain constant pressure on belt even during
short term failure or disconnect of the supply gas. Standard on pre-2014 RTC and LCI furnaces.
|
| AR10 |
Air Reservoir, System Purge. Adds 30-56 L (8-15 gal) reservoir for supplying process gas in adequate quantity to assure purging the furnace chamber
of volatile or toxic gas in the event of a plant power failure. System includes pressure switch and alarm integrated with the OI. Standard on
some applications, option available on most furnaces.
|
| BCW |
Belt, Stainless Steel, Close Weave. Tightly woven belt. Not recommended in applications where the belt may trap debris or where the belt may obscure
critical infrared radiation from the bottom lamps. Added mass may help stabilize some processes.
|
| BE |
Entrance Baffle with Eductor. The standard Entrance Baffle with Exhaust Eductor is a 38-40 cm (15-16 inch) long section that serves to isolate the
furnace atmosphere from the facility atmosphere. The entrance baffle is housed inside an aluminum shell lined with ceramic fiber insulation and includes a metal
air rake to introduce a gas curtain above the belt. This gas curtain purges the baffle and a series of four equally spaced hanging baffle gates prevents ambient
air from entering the furnace chamber. A venturi-assisted exhaust stack (eductor) draws gases from the entrance of furnace zone 1, across a drip
tray and out of the furnace to prevent exhaust condensation from falling into the entrance baffle. Proper operation of this system keeps the furnace interior
clean. Standard on most furnace models. 
|
| BNV |
Belt, Ni-Chrome V. The high temperature belt is a balanced spiral weave of 18 gauge wire wound with 16 gauge cross wire of Nichrome V, 80%Ni/20%Cr
alloy (<1% Fe). Because of the balanced construction, it is 50% stronger than conventional weave and any belt tendency toward side travel is greatly
reduced. Standard on HT high temperature furnaces (>550°C), option
available for most furnaces.
|
| BSS |
Belt, Stainless Steel. The standard furnace conveyor belt is a balanced spiral weave of 18 gauge wire wound with 16 gauge cross wire made of
type 316 stainless steel. Because of the balanced construction, it is 50% stronger than conventional weave and any belt tendency toward side travel is
greatly reduced. Not available on furnaces rated above 600°C. Standard on low temperature (600°C and below) furnaces.
|
| BX |
Exit Baffle with Eductor. The Exit Baffle/Exhaust Eductor is a 38.1 cm (15 inch) long section that serves to isolate the heating chamber from
the ambient atmosphere at the furnace exit. The exit baffle is housed inside a metal shell lined with ceramic fiber insulation and is fully insulated so that
it will lose heat gradually. The baffle includes a metal air rake to introduce a gas curtain above the belt to purge the baffle and a series of four (4) equally
spaced hanging baffle gates to effectively isolate the high temperature furnace section from the ambient atmosphere at the furnace exit. A venturi-assisted
exhaust stack draws furnace gases from the last zone, across a drip tray and out of the furnace to prevent exhaust condensation from falling into the exit baffle.
Proper operation of this system keeps the furnace interior clean. Standard on most furnace models. May be replaced by a transition tunnel with or without exhaust on some configurations. Optional on LA-306.
|
| BXO |
Exit Baffle. The Exit baffle is a 38.1 cm (15 inch) long section that serves to isolate the closed atmosphere cooling section from the ambient
atmosphere at the furnace exit. The exit baffle is housed inside an aluminum shell lined with ceramic fiber insulation. The baffle includes a metal air
rake to introduce a gas curtain above the belt to purge the baffle and a series of four equally spaced hanging baffle gates to effectively isolate the controlled
atmosphere cooling section from the ambient atmosphere at the furnace exit. Standard on some furnace configurations. May be replaced by a transition tunnel with or without exhaust on some configurations.
|
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