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Water Transmission Group
The Water Transmission Group (WTG) of Ameron International Corporation, of a wholly owned subsidiary of National Oilwell Varco (NOV) is a leader in pipe technology and a principal supplier of highly-engineered concrete and steel pipe systems in the United States, Canada, Mexico, and Central and South America. Designed to satisfy the needs and performance requirements of each project, WTG’s concrete and steel pipe products provide long-term water and wastewater conveyance solutions.
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Welded Steel Pipe (WSP)
  • Manufacturing Standard: AWWA C200
  • Design Method: AWWA Manual M11
  • Diameter Range: 18” through 144”
  • Cylinder Thickness: Up to 1.25”
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Bar-Wrapped Concrete Cylinder Pipe (CCP)
  • Manufacturing Standard: AWWA C303
  • Design Method: AWWA Manual M9
  • Diameter Range: 18" through 72"
  • Pressure Range: Up to 400 PSI
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Steel Pipe Pilings
  • Manufacturing Standard: ASTM A252
  • Diameter Range: 18” through 156”
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Reinforced Concrete Pipe (RCP)
  • Manufacturing Standard: ASTM C76 or C361, AWWA C300 or C302
  • Design Method: ACPA Concrete Pipe Design Manual or AWWA Manual M9
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Prestressed Concrete Cylinder Pipe (PCCP)
  • Manufacturing Standard: AWWA C301
  • Design Method: AWWA Standard C304 & AWWA Manual M9
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PressureCast Steel Pipe (PCSP)
  • Manufacturing Standard: AWWA C200
  • Design Method: AWWA Manual M11
  • Diameter Range: 36” through 156”
  • Pressure Range: Up to 250 PSI
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Water Transmission APCI - Colombia
We are an organization specializing in marketing, technical support, design and manufacture of steel and concrete pipe for w...
APCI
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