We offer pit furnace with retort: * gas guide cylinder and diffuser plate specially designed concave retort cover inside to facilitate uniform distribution and circulation of atmosphere inside retort. * 1 no. Service container and flow metres, solenoid valves, regulators etc. * 1 no. Grid, fabricated cast of heat resistant material to make the charge weight. * air circulation effected by means of fan motor with shaft and blades of heat resistant material with water cooled bearings.