AWWA B Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate). AWWA B Sodium Tripolyphosphate (Includes addendum Ba). Sign In · View Account▹ · Home; AWWA C Preview AWWA C October Steel Water Pipe – 6 in. ( mm) and. SPIRALCO is a company specialized in the production of spiral-weld steel tubes and pipes.
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If the pipe is to be manufactured to meet the requirements of one or more of the ASTM specifications, the grades of pipe shall be: Gobierno de la Eficiencia en la Calle. C AWWA Standard for Cold-applied tape coatings for the exterior of special sections, connections, and fittings for steel water pipelines. By agreement between the manufacturer and the purchaser, the ends of the pipe may be supplied with joint configurations and tolerances other than those described herein.
For further details and information, please refer to these standards and specifications. C American National Standart for Polyerthylene encasement for ductile-iron pipe systems.
This is a summary of the AWWA standards and specifications. F AWWA Standard for matched die-molded, fiberglass-reinforced plastc weir zwwa, scum baffles, and mounting brackets. D AWWA Standard for flexible-membrane-lining and floating-cover awwx for potable-water storage.
The frequency of production weld tests: For plates, the maximum allowable thickness variation shall be 0.
For the sheets, the maximum allowable thickness variations shall be in accordance to the ASTM A c20-97. It shall include a certified welding inspector AWS QC1 to verify that welders and welding procedures are qualified, procedures are being followed with limitation of testing, and quality-assurance functions are being implemented. Any out-of-roundness shall be limited to a smooth oval that may be jacked back to a circular shape.
C AWWA Standard for Cold-applied petrolatum tape and petrolatum wax tape coatings for the exterior of special sections, connections, and fittings foe buried steel water pipelines. By agreement between the purchaser and the manufacturer, the welding can be done either by automatic or manual means.
In such cases, pipe ends shall conform to the description of detail drawings provided by the purchaser. C AWWA Standard for polyurethane coaings for the interior and exterior of steel water pipe and fittings.
Ends to be fitted with flanges shall be grinded longitudinal and aww weldsat ground flush for a sufficient distance to allow proper installation of the flange. All work performed and material furnished under this standard may be inspected by the purchaser, but such inspection shall not relieve the manufacturer of responsibility to furnish material and perform work in accordance with this standard.
AWWA standard for steel water pipe 6 in. ( mm) and larger – Catalog – UW-Madison Libraries
The out-of-roundness of pipe v200-97 shall be consistent with the diameter and wall thickness. There shall be no leaks. MARKING A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section.
The production weld tests consists of: The pipe shall be substantially round. All spiral, longitudinal, and girth seams used in the manufacture of the pipe shall be full-penetration welded butt awaw. There shall be at least wwwa set of weld-test specimens taken of each size, grade, and wall thickness from work performed by each production machine and each operator at a minimum of every ft.
The finished pipe shall be free from unacceptable defects. C American National Standart for Protective fusion-bonded epoxy coatings for the interior and exterior surfaces of c2000-97 and gray-iron fittings for water supply service. Yield strength, min Ksi Mpa. The weld shall be reasonably uniform width and height for the entire length of the pipe.
Unless specified by the purchaser, the wall thickness and weight tolerances for welded pipe shall be governed by the requirements of the specifications to which the plates or sheets are ordered. Defects in seamless pipe or in the parent metal of welded pipe will be considered unacceptable when the depth of the defect is greater than The manufacturer shall maintain a quality-assurance program to ensure that minimum standards are awwa.
The procedures, the welding operators as well as all operators shall be qualified under Sec. C American National Standart for Ductile-iron compact fitting, for water service. D AWWA Standard for automatically controlled, impressed-current cathodic awwa for the interior of steel water-tanks.
Each length of repaired pipe shall be tested hydrostatically in accordance with standard requirements. C American National Standart for Rubber-gasket joints for ductile-iron pressure pipe and fittings.
Each length of pipe shall be tested by c200–97 manufacturer to a hydrostatic pressure not less than that determined by the following formula: A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section.