guillotine dampers heat and mass transfer systems boilers thermic fluid heaters heat exchanger waste heat recovery system re- boiler evaporator economiser deareator hot oil heaters bath heaters valves control valves on/off valves blow down valves pre insulated valves for hvac and wide range of valves pumps...
guillotine dampers heat and mass transfer systems boilers thermic fluid heaters heat exchanger waste heat recovery system re- boiler evaporator economiser deareator hot oil heaters bath heaters valves control valves on/off valves blow down valves pre insulated valves for hvac and wide range of valves pumps...
then pass into the carbon, medium carbon into the workpiece surface, chain in order to improve the hardness and wear resistance. quenching. parts :after heated to a certain temperature in heat treatment equipment, heat preservation time, and then according to the requirements in different mediumcooling...
then pass into the carbon, medium carbon into the workpiece surface, chain in order to improve the hardness and wear resistance. quenching. parts :after heated to a certain temperature in heat treatment equipment, heat preservation time, and then according to the requirements in different mediumcooling...
then pass into the carbon, medium carbon into the workpiece surface, chain in order to improve the hardness and wear resistance. quenching. parts :after heated to a certain temperature in heat treatment equipment, heat preservation time, and then according to the requirements in different mediumcooling...
then pass into the carbon, medium carbon into the workpiece surface, chain in order to improve the hardness and wear resistance. quenching. parts :after heated to a certain temperature in heat treatment equipment, heat preservation time, and then according to the requirements in different mediumcooling...
then pass into the carbon, medium carbon into the workpiece surface, chain in order to improve the hardness and wear resistance. quenching. parts :after heated to a certain temperature in heat treatment equipment, heat preservation time, and then according to the requirements in different mediumcooling...