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Books Books 1 - 10 of 30 on When the coating has become hard, the straight pipes shall be subjected to a proof....  
" When the coating has become hard, the straight pipes shall be subjected to a proof by hydrostatic pressure and, if required by the engineer, they shall also be subjected to a hammer test under this pressure. "
Journal of the New England Water Works Association - Page 363
1902
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Water and gas works appliances and pumping machinery

R.D. Wood & Company - Technology & Engineering - 1901 - 175 pages
...Any pipe or special casting that is to be recoated shall first be thoroughly scraped and cleaned. 13. When the coating has become hard the straight pipes...a proof by hydrostatic pressure, and, if required, they shall also be subjected to a hammer.test under this pressure. The pressures to which the different...
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The elasticity and resistance of the materials of engineering

William Hubert Burr - Building materials - 1903 - 990 pages
...casting that is to be recoated shall first be thoroughly scraped and cleaned. Hydrostatic Test. Sec. 14. When the coating has become hard, the straight pipes...different sizes and classes of pipes shall be subjected are as follows: 2o-inch Diameter and Larger, Pounds per Square Inch. Less than lo-inch Diameter. Pounds...
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The Elasticity and Resistance of the Materials of Engineering

William Hubert Burr - Strength of materials - 1903 - 990 pages
...casting that is to be recoated shall first be thoroughly scraped and cleaned. Hydrostatic Test. Sec. 14. When the coating has become hard, the straight pipes...different sizes and classes of pipes shall be subjected are as follows: Class C pipe Class D pipe Classes E, to K pipe inclusive ao-inch Diameter and Larger....
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The elasticity and resistance of the materials of engineering

William Hubert Burr - Building materials - 1903 - 996 pages
...shall be maintained at this temperature during the time the casting is immersed. Hydrostatic Test. 1 8. When the coating has become hard the straight pipes...be subjected to a hammer test under this pressure, and any casting which shows any defect by leaking, sweating or otherwise will be rejected. This proof...
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Transactions of the American Institute of Mining, Metallurgical ..., Volume 35

Metallurgy - 1905
...pipe or special casting thai is to be recoated shall first be thoroughly scraped and cleaned. XIV. HYDROSTATIC TEST. When the coating has become...different sizes and classes of pipes shall be subjected are as follows : XV. WEIGHING. The pipes and special castings shall be weighed for payment...
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Cast Iron Pipe: Some Notes and Tables ...

United States Cast Iron Pipe and Foundry Co - Cast-iron pipe - 1906 - 156 pages
...scraped and cleaned. Hydrostatic Test SECTK>X 14. When the coating has become hard, the straight pipe shall be subjected to a proof by hydrostatic pressure...pressure to which the different sizes and classes of pipe shall be subjected is as follows: Weighing SECTION 15. The pipe and special castings shall be...
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Hand-book of American Gas-engineering Practice

Nisbet Latta - Gas manufacture and works - 1907 - 466 pages
...that is to be recoated shall first be thoroughly scraped and cleaned. HYDROSTATIC TEST. SECTION 14. When the coating has become hard, the straight pipes...subjected to a hammer test under this pressure. The pressures to which the different sizes and classes of pipes shall be subjected are as follows: WEIGHING....
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Hand-book of American Gas-engineering Practice

Nisbet Latta - Gas engineering - 1907 - 466 pages
...required by the engineer, they shall also be subjected to a hammer test under this pressure. The pressures to which the different sizes and classes of pipes shall be subjected are as follows: WEIGHING. SECTION 15. The pipes and special castings shall be weighed for payment under...
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Year-book

Engineering - 1910
...that is to be re-coated shall first be thoroughly scraped and cleaned. HYDROSTATIC TEST. SECTION 14. When the coating has become hard, the straight pipes...different sizes and classes of pipes shall be subjected are as follows: 1 23-Inch Diameter Less than zo-Inch and Larger, Diameter. Ibs. per sq. in. ' Ibs....
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The Elasticity and Resistance of the Materials of Engineering

William Hubert Burr - Building materials - 1911 - 996 pages
...shall be maintained at this temperature during the time the casting is immersed. Hydrostatic Test. 1 8. When the coating has become hard the straight pipes...be subjected to a hammer test under this pressure, and any casting which shows any defect by leaking, sweating or otherwise will be rejected. This proof...
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