... cracking furnaceCommercial furnacesThermal cracking of hygrocarbons is accomplished in tubular reactors commonly known as cracking furnaces,crackers,cracking heaters, ... is well over 150,000 mta.Pyrolysis heater radiant coil characteristics(single heater range) Number of coils 2-176Coil ... time,s0.1-0.6Coil outlet pressure,KPa150-275Clen coil pressure drop,KPa10-200Ethylene capacity,mta20,000-250,000 ...