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Home » Fluid Management » //AB Breather Mount


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Sampling Valves
Sampling Tubes (Pilot Tubes)
Ways to Add a Sampling Valve
Fluid Management
Sampling Accessories
Micro & Hydraulic Hose
How To

Frequently bought Together

L High Flow
BT Sampling Tube
AB Breather Mount
AB Breather Mount

L Series High Flow Sampling Pressure: 0 - 125 psi (0 - 9 bar)

Max. Working Pressure: 500 psi (34 bar)

Sealing Materials: Viton (FKM)

Corrosion Protection: Zinc Nickel Alloy Plating  


Contact Checkfluid for stainless steel kits.

For other port sizes or additional information please call Checkfluid


Detailed Specification Chart (PDF)



  • Fits most filler ports easily
  • Breather - Choose a desiccant or filtered breather to reduce pressure on system seals
  • Quick Fill - Quick coupler fill line and dust cap in a kidney loop for filtration
  • Vent or Gage Port - Level gauge without exposing the system to outside air
  • Flow Tube - Reduces the effects of turbulent fluid flow and foaming

Choose sample tube to sample accurately from the active oil zone

Change to 3/4" ISO B male quick coupling or other coupler styles


Alternatives for a specific kit, contact Checkfluid for details

Ask about a fluid monitoring upgrade for critical gearboxes

Product Support PDF

AB Breather Mount PDF

How to Order
  • Select the filler port size
  • Use the thread identification video to help identify the drain plug
  • Choose the AB16 kit with port specific ending (e.g. AB16-16N is for a 1" NPTF port)
  • The AB16 Kit includes a 1/2" inch ISO B quick coupling with dust cover, an adapter arm for the breather, a port for optional sampling, 1/8" side port for a return vent line, and a port swivel adapter
  • Choose additional Breather Mount Adder options as required
Breather Mount Adders
American National Pipe Thread
American National Pipe Thread - Stainless Steel
SAE Straight Thread O-Ring Boss
SAE Straight Thread O-Ring Boss - Stainless Steel
British Standard Taper Pipe