Pit Furnaces
SHIVANG FURNACES has a full range of Pit type Heat Treatment up to a capacity of 100 MT for hardening, annealing, normalizing, carburizing, nitriding, tempering, aging and stress relieving to offer to industries like Fastener, Bearing, Forge Parts, Gears, Rolls, Strip, Wire, Piston rings etc in steel industries besides cylinder heads and pistons for Aluminium industries.
SHIVANG FURNACES & Ovens – Offering Gas carburising furnace is basically pot-pit type furnace used for hardening case carburising carbonitriding of various components made of steel such as construction machinery parts, precision turned components, gears, auto parts etc.
These Gas carburising furnaces are of circular construction with insulated cover which is hydraulically lifted/swivelled for charging or discharging the material into and from the furnace.
The charge material can be loaded into the Pit furnace with the help of EOT crane or suitable loading machine. The Pit furnaces can also be offered with quenching facilities and washing machine to suit customers’ requirements.
Description
SHIVANG FURNACES offers Pit Furnaces with or without sealed retorts for inert/reducing atmosphere or normal oxidizing atmosphere applications.
The furnaces with inert/reducing atmosphere applications will have the facility for introducing atmosphere like hydro-carbon rich gas, ammonia, and nitrogen into a sealed retort made of stainless steel of AISI-310/304 depending on the application temperature. The lid is fitted with a gas-tight, water-cooled neoprene/silicon rubber seal for proper sealing.
These Gas Carburising Furnaces can be either electrically heated or fuel fired. The electrically heated furnaces are provided with resistive strip/wire heating elements located on the sidewall of the furnace.
The heating elements of the furnace are suitably divided into a number of heating zones and can be controlled through contactor or thyristor-based control philosophy through PID controllers.
Fuel fired Pit Furnaces are offered with high-efficiency burners for oil/gas applications supported by a full complement of combustion control systems with safety devices.
Hot air circulation inside the furnace is achieved by efficient centrifugal or axial type recirculation fans, which can be equipped with either a two-speed motor or a VFD drive.
Pit Furnaces are lined with ceramic fibre block/module at the side wall and lid cover. The bottom hearth is lined with refractory bricks backed by insulation bricks, specially designed to withstand load and minimize the skin temperature.
SHIVANG FURNACES has full capability to offer complete control and instrumentation systems through PLC-based or hardware-based logic controls.
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