CAV-180H-4 SAF-AIR Aircraft Push Fuel Drain Valve (3/8″-24 UNF) | McFarlane Aviation CAV180H4

Please confirm the CAV-180H-4 fuel drain valve’s compatibility with your aircraft using this document:

• SAF-AIR Fuel Drain Valve Installation and Maintenance Instructions (PDF)
• Fuel system parts section of McFarlane Aviation catalog (PDF)

Push type fuel drain valves are close tolerance valves of simple design. These valves provide the most trouble-free operation of any other line of valves in the industry. Manufactured with an o-ring placed on the stem to seal against a flat seat on the body. This design eliminates an area where dirt can gather, thus putting an end to the main cause of fuel drain valve drip.

• Manufactured by SAF-AIR Products, Inc.
• FAA-PMA Approved
• Thread: 3/8-24 UNF
• Locking: No
• Flush Mounted: No
• Open Action: Push
• Use Pin Type Cup: No
• Material: 360 Brass
• Can be rebuilt
• Standard fuel resistant O-rings included
• Simple operation – just push to sample fuel
• Hose Adapter Size: 1/4″

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.
Locking: Valve locks in the open position for easy draining.
Flush mounted: Valve is designed to mount flush with aircraft skin.
Use Pin Type Cup: Pin type cups similar to MCCCA-39680 may be used with indicated valves for sampling fuel.
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 valve for ease of draining fuel. The size is the hose I.D.