Gas Mixing Tube Series

Clear PVC mixing tubes are an important component in all Nuvair nitrox membrane systems. Made from Schedule 40 Clear PVC with plain end connections. The static mixing element is edge sealed to the inside of the housing; it improves mixing efficiency and increases rigidity of the tube assembly. Static mixing tubes are used in a range of industries and applications beyond nitrox breathing gases.

Grouped product items
Product Name Qty
1.25 in dia x 30 in Gas Mixing Tube | 1.25-40C-4-12-1SP
1.5 in dia x 30 in Gas Mixing Tube | 1.5-40C-4-6.2-1SP
2 in dia x 40 in Gas Mixing Tube | 2-40C-4-6.2-1SP


  • Replacement part for Nuvair low-pressure nitrox membrane systems
  • Admixing of water treatment chemicals
  • pH control
  • Chlorinations and ozonation
  • Process control sampling


SKU Pipe dia. Number of
Length Max Working
Pressure (psi @ 75°F)
Typical Flow
Pressure Loss
1.25-40C-4-12-1SP 1-1/4 in 12 30 in 170 6–40 0.50–24.5
1.5-40C-4-6.2-1SP 1-1/2 in 6 30 in 170 6–40 0.50–12.25
2-40C-4-6.2-1SP 2 in 6 40 in 140 9–60 0.50–18.5