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Here we have a NFPA standard 86D Industrial Furnaces Using Vacuum as an Atmosphere, 1990 edition, 54 pages. Standard for ovens and furnaces operating from ambient temperatures to over 5000F (2760C) and at pressures normally below atmospheric to 10-8(small 8)) Torr (1.33x10-6 (small 6) Pa). Intro. Location and construction. Heating system for reistance heated vacuum furnaces. Equipment ventilation. Safety and control equipment for class D vacuum furnaces. Integral liquid quench vacuum furnaces. Vacuum furnaces used with special atmospheres/flammable, Bult atmosphere gas storage systems. Vacuum induction furnaces. Fire protection for furnace areas. Mainteenance of vacuum furnaces. Appendices. Lightly read, minimal page creasing, no inner rips or tears found. Jacket has edge, surface, and corner wear. Contact: Please contact us if you have any questions or problems. Please use the "Ask seller a question" link offered in every listing. We are human and occasionally will make errors. We want you to be happy with your purchase. (Nfpa 86D industrial furnaces using vacuum as atmosphere is the responsibility of Harriet Malone) |
h.malone@cedar--rapids.com (Harriet Malone) for more information.
