Material of construction Case – 5mm mild steel.
Bracing – Heavy angle and channel.
Hearth – 1550⁰C castable general purpose high strength, high abrasion resistant monolithic refractory concrete.
Ashing door – High grade cast iron.
Loading door – 5mm mild steel lined with 1550⁰C castable general purpose high strength, high abrasion resistant monolithic refractory concrete.
Refractory concrete:
Alumina content of refractory
Refractory thickness
Minimum 49%
At least 127mm.

Insulation to walls 1000⁰C Castable insulation
Chimney stack:
Chimney
Height from base 3.5 mm mild steel
9 meters above ground level and clear the highest point of the building by not less than 3 meters
At least 560mm
At least 750Kg
Controls:
Draught
Air supply
Electric
Barometric indicator, door operated draught limiter
Built-in forced heated air ducts, primary and secondary (intensifier)
Control panel – Circuit breakers, main switch, timer, pilot lights, 2 set point pyrometer and one set point pyrometer.
Electricity supply required 415 Volts Three phase.
Auxiliary fuel Electrically operated only
Emission Multiple chamber design with inbuilt emission control
Paint: Case and stack 400⁰C Heat Resistant Grey
Temperature of case 100⁰C