To keep fumes from escaping into the atmosphere, use these fittings on the vapor return lines.
Unit of Measure


Coupler with Probe Size

N/A 4 in

Hose Shank Size

N/A 3 in

Body Material

N/A Aluminum

Handle Material

N/A Brass

Gasket Material

N/A Buna-N

Probe Material

N/A Solid Brass
Maximum Working Pressure1 N/A 100 psi

Industry Standards

N/A ASTM B85 Grade 383

Material Specifications

Material Specifications

  • Aluminum alloy spec ASTM B85 Grade 383.
  • Brass handles.
  • Steel handle pins, pull rings and safety clips are all zinc-plated.
  • Gaskets are nitrile.



N/A All sizes may not be stocked in all locations.
We disclaim any liability for use of our products in applications other than which they are designed.

California Proposition 65 Information

California Proposition 65 Information

N/A   Brass products can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information visit
  • 1 Metal coupling pressures are based on ambient temperature (+70 ºF or +21 ºC) with standard NBR gasket.