728x90 hot work2 20. Insulation for piping and equipment Piping and equipment should be insluated according to the insulation class, operating temperature and insulation thickness stated in the P&ID and Data sheets. All insulation shall be covered with weather protection designed and installed to prevent ingress of water during normal operation. Types of Insulation 1) Hot Insulation - The Hot insulation installation will cover the following two major .. 2022. 12. 14. 12. Gas Cutting The process consists of preheating the metal to be cut to its ignition (oxidation) temperature, i.e., above 870°C in case of steel. The preheating is done by oxy- acetylene gas flame, which is supplied from surrounding openings of the cutting torch. When this temperature is attained, a jet of high pressure oxygen from a central opening of the cutting torch is directed on the red hot metal. Hazar.. 2022. 12. 14. 이전 1 다음 728x90
