... crackers,cracking heaters,etc. Several engineering contractors,including ABB Lummus Global, KBR,Linde,Stone and Webster(a Shaw Group Company), ... and Technip offer cracking furnace technology. ABB Lummus Global it's produce ethylene for polymerization with purity 99.95 ... cell furnace is well over 150,000 mta.Pyrolysis heater radiant coil characteristics(single heater range)Number of coils 2- ...