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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In such cases, pipe ends shall conform to the description of detail drawings provided by the purchaser. Yield strength, min Ksi Mpa.
Spiralco – Specifications – AWWA C
There shall be at least one set of weld-test specimens taken of each size, grade, and wall thickness from work performed by c200-79 production machine and each operator at a minimum of every ft. By agreement between the purchaser and the manufacturer, the welding can be done either by automatic or manual means.
Gobierno de la Eficiencia en la Calle. The manufacturer shall maintain a quality-assurance program to ensure that minimum standards are met.
The finished pipe shall be free from unacceptable defects. By agreement between the purchaser and swwa 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 c20-97 other non destructive test aawa may be used.
D AWWA Standard for automatically controlled, impressed-current cathodic protection for the interior of steel water-tanks. 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. 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.
The maximum radial offset tolerance on the plates is: All spiral, longitudinal, and girth seams used in the manufacture of the pipe shall be full-penetration welded butt joints. C American National Standart for Ductile-iron pipe, centrifugally cast, for water or other liquids.
Unless specified by the purchaser, the wall thickness c00-97 weight tolerances for welded pipe shall be governed by the requirements of the specifications to which the plates or sheets are ordered.
C AWWA Standard for polyurethane coaings for the interior and exterior of steel water pipe and fittings. C Awsa National Standart for Polyerthylene encasement for ductile-iron pipe systems.
A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section. 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: Each length of repaired pipe awwaa be tested hydrostatically in accordance with standard requirements.
Tensile strength ,min Ksi Mpa. C American National Standart for Flanged ductile-iron pipe with ductile-iron or gray-iron threaded flanges.
This is a summary of the AWWA standards and specifications. The procedures, the welding operators as well as all operators shall be qualified under Sec. C AWWA Standard for Cold-applied tape coatings for the exterior of special sections, connections, and fittings for steel water pipelines.
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 c200-977 implemented. C AWWA Standard for Heat-shrinkable cross-linked polyolefin coatings for the exterior of special sections, connections, and fittings for steel water pipelines.
Defects in seamless pipe or in the parent metal of welded pipe will wwwa considered unacceptable when the depth of the defect is greater than All work performed and material furnished under this standard may be inspected c20-97 the purchaser, but such inspection shall not relieve the manufacturer of responsibility to furnish material and perform work in accordance with this standard.
D AWWA Standard for flexible-membrane-lining and floating-cover materils for potable-water storage.
For further details and information, please c20-097 to these standards and specifications. The production weld tests consists of: 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 service.
The out-of-roundness of pipe ends shall be consistent with the diameter and wall thickness. The pipe shall be substantially round. For the sheets, the maximum allowable thickness variations shall be in accordance to the ASTM A specifications.
C American National Standart for thickness desing of ductile-iron pipe. C American National Standart for Ductile-iron compact fitting, for water service.