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.
Each length of repaired pipe shall be tested hydrostatically in accordance with standard requirements. 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.
The frequency of production weld tests: Ends to be fitted with flanges shall be grinded longitudinal and spiral weldsat ground flush for a sufficient distance to allow proper installation of the flange. D AWWA Standard for flexible-membrane-lining and floating-cover materils for potable-water storage.
C American National Standart for Ductile-iron compact fitting, for water service. 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.
The manufacturer shall maintain a quality-assurance program to ensure that minimum standards are met. C American National Standart for Flanged awwz pipe with ductile-iron or gray-iron threaded flanges.
C AWWA Standard for Cold-applied tape coatings for the exterior aawa special sections, connections, and fittings for steel water pipelines.
Gobierno de la Eficiencia en la Calle. The procedures, c200-997 welding operators as well as all operators shall be qualified under Sec. Tensile awea ,min Ksi Mpa. 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. By agreement between the purchaser and the manufacturer, the welding can be done either by automatic or manual means.
C AWWA Standard for polyurethane coaings for the interior and exterior of aww water pipe and fittings. Each length of pipe shall be tested by the manufacturer to a hydrostatic pressure not less than that determined by the following formula: C American National Standart for Ductile-iron and gray-iron fittings, for water. Any out-of-roundness shall be limited to a smooth oval that may be jacked back to a circular shape.
Spiralco – Specifications – AWWA C
If the pipe is to be manufactured to meet the requirements of one or more of the ASTM awsa, the grades of pipe shall be: C American National Standart for Polyerthylene encasement for ductile-iron pipe systems. For further details and information, please refer to these standards and specifications. In such cases, pipe ends shall conform to the description of detail drawings provided by the purchaser. 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.
C AWWA Standard for Heat-shrinkable cross-linked polyolefin coatings for the exterior of special sections, connections, and fittings for steel water pipelines. There shall be at least one set of weld-test specimens awaa of each size, grade, and wall thickness from work performed by each production machine and each operator at a minimum of every ft. The pipe shall be substantially round.
C AWWA Standard for Coal-tar protective coatings and linings for steel water pipelines-enamel and tape-hot-applied. By agreement between the purchaser and the manufacturer, when the diameter and the wall thickness of the pipe are such that the capacity of the testing equipment is exceeded by these requirements, the test pressures may be reduced or other non destructive test methods may be used.
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 d200-97. The out-of-roundness of pipe ends shall be consistent with the diameter and wall thickness.
The finished pipe shall be free from unacceptable defects. The production weld tests consists of: C American National Standart for thickness desing of ductile-iron pipe. C American National Standart for Ductile-iron pipe, centrifugally cast, for water or other liquids.
C American National Standart for Protective fusion-bonded epoxy coatings for the interior and exterior surfaces of ductile-iron and gray-iron fittings for water supply c200-79. MARKING A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section. There shall be no leaks.
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