Please confirm the CAV-180 fuel drain valve’s compatibility with your aircraft using this document:
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: Yes
- Material: 360 Brass
- Can be rebuilt
- Standard fuel resistant O-rings included
- Simple operation – just push to sample fuel
- Supersedes: 1100B52Z
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.

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