Thread: "UNF" (Fine thread) type are straight, non-sealing threads that rely on an O-ring to provide a seal. "NPT" (Pipe thread) type are tapered thread that seal as they are tightened. Others are metric threads. Measure the O.D. of the thread on the valve you are replacing and compare to the thread specifications table to determine the correct thread size.
Open Action: "Spiral" valves require a push and turn action to open. "Push" valves require a push action to open.
Hose Adapter Size: A hose may be attached to the valves for ease of draining. The size indicated is the hose I.D.

SAF-AIR Low Profile, Two-Piece Oil Drain Valves
High Quality, Low Price! 

The perfect choice for a close clearance engine oil drain application. Designed to clear retractable landing gears and other restrictions. Merely screw on the opener adapter and slightly open the valve for a sample, or fully open for complete drainage.

All valves include the straight attach opener P/N F50-180. Opener P/N F50-90, which is attached at a 90 degree angle, is also sold separately.

Valves can be rebuilt. Find the replacement O-ring kit for your SAF-AIR valve: O-Ring Kits.

All SAF-AIR O-rings are made of Viton.

Maintenance Tips