Friends, what material should be used according to standards for the flange sealing of coke oven orifice plates and cross-row tubes?
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Our factory uses asbestos-based boards; when the temperature rises, these boards become hard, which results in poor sealing and an increased risk of gas leaks. May I ask what material should be used as a sealing material according to standards?
Are you referring to those high-temperature asbestos boards that are usually red and come in rolls? This is exactly the one we use.
Oh, I guess so. We used it on steam pipelines before, but we use it less now