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  1. Engtipgb

    API 6A ball valves

    I need an help about API 6A ball valves : Which is the size for drain and vent connections? I means, a valve 3 1/16" must have a port size of? when to use autoclave connections Is PR2 Class 2 (slurry test applicable only in gate valves?
  2. Engtipgb

    API 6A ball valves

    I need an help about API 6A ball valves : Which is the size for drain and vent connections? I means, a valve 3 1/16" must have a port size of? when to use autoclave connections Is PR2 Class 2 (slurry test applicable only in gate valves? Tnx
  3. Engtipgb

    HVOF Coating Thickness

    400 micron is required only by Total Spec. The std thk. is 150 or 200 micron and, if the adhesion is ok, is enough for any service. Moreover, a bigger thk. is fragile and doesn't add anything to the hardfacing point of view.

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