[PDF] chapter 5230 department of labor and industry steamfitters; power ...
B. They shall inspect the installation of all high pressure steam piping ..... All screw-end valves shall be threaded according to the American Standard for Taper Pipe ... C. When cast iron flanges are used, bolting material shall be of carbon ..... The stop or globe valve to be placed between the check valve and boiler and.
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vvvalves's website is vvvalves.in