black malleable iron pipe fittings

SHIJIAZHUANG JIZHONG MALLEABLE IRON CO.,LTD. WAS ESTABLISHED IN 1998.OUR FACTORY COVERS 15000SQUARE METERS WITH 150 EMPLOUEES INCLUDING 30 PROFESSIONAL WORKERS FOR QUALITY CONTROL.WE ESTABLISHED OUR OWN LAB AND TEST EQUIPMENTS.THE CERTIFICATES OF ISO9001,SGS,AND UL HAVE BEEN AWARDED AT PRESENT.we as a
black malleable iron pipe fittings suppllier.
Working Pressures:
•The maximum working pressures of tubing data.
•The maximum working pressures of the thread ends at ambient temperature are stated above.
•To get the maximum working pressure at elevated temperature, use the maximum working pressure at ambient temperature to
multiply the factors in the form of Elevated Temperature Factors in page 9.
•The whole fitting is rated by the smallest value among its ends.

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