NDL Copper Press Fittings are manufactured in state-of-the-art facilities to ensure that they are the highest quality to meet applicable standards and tolerances, including:

Our fittings are available in more than 350 configurations including elbows, couplings, reducers, tees, reducing tees, threaded adapters, unions, caps and flanges. NDL Press Fittings range in size from ½” to 4” in diameter. NDL press fittings use the highly regarded “v” profile jaw sets that resemble the industry leader in terms of pattern, size, finish and overall appearance. NDL offers a large selection of copper press fittings; your company can buy small quantities of individual items and package them together in one order without having to meet high minimums in any category.

Operating parameters

  •  Operating Pressure (232 PSI Max)
  •  System Test Pressure – Water Test – 14 PSI to 50 PSI / Air Test – 7 PSI to 50 PSI
  •  Low Pressure Steam (15 PSI Max)
  •  Vacuum (24.5″ Mercury Max at 68°F)
  •  Operating Temperature 0°F – 250°F
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Approvals and Certificates

ANSI/ASME B16.22, B16.29, B16.18, B16.15, B16.26, B16.24, B16.23 and NSF 61.

  •  NSF International
  •  CSA International

Approved Applications

  •  Potable Water
  •  Hydronic Heating (w/Glycol)
  •  Chilled Water / Cooling Water
  •  Compressed Air (200 PSI Max)
  •  Non-Medical Gases (140 PSI Max)
  •  Low Pressure Steam (15 PSI Max)
  •  Vacuum (24.5″ Mercury Max at 68°F)