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CURTIS PIPE THREAD DRAIN VALVE - CCA-1700
MFR Model# CCA-1700
Quick opening brass drain valve for aircraft oil or fuel systems. A slight twist opens valve. No safety wire needed in closed position. FAA approved. TSO-C76 Approved.
Note: FAA Approval applies to fuel applications only. NOT FAA Approved for oil applications.
- Thread Size: 1/2-Inch NPT
- Length: 2.154-Inch
- Lock Wire Drilled
- Action: Push to Open, Turn to Lock
- Conforms To: USAF Spec. 28208, NSN-2915-00-689-3000, TSO-C76
Curtis Superior Valve is experienced in valve design and can help solve your valve problems. In most cases a standard Curtis Superior Valve will do the job. Or possibly a slight modification of a production unit will answer a specific problem. We will be glad to give you any assistance you may require with your Quick Drain Valve application.
MAINTENANCE / CMM
Curtis Superior Valves are designed for installation in a standard NPT port for NPT threaded valves or an AND-10050 stlye port for UNF threaded valves. Use a sealant on NPT threaded valves or a fuel resistant o-ring of the proper size for UNF threaded valves. Refer to aircraft manufacturers torque specifications for the aircraft in which it is being used. Curtis Superior Valves require no special maintenance. Keep them reasonably clean and replace according to the prescribed synthetic rubber maintenance schedule for the aircraft in which they are used or 10 year usable life per Curtis Superior Valve whichever occurs first. Curtis Superior Valves cannot be OVERHAULED. Replace the entire valve per the maintenance schedule of the aircraft in which it is used or usable life per Curtis Superior Valve should it begin to leak.
Due to the low replacement cost of Curtis Quick Drain Valves versus the cost of replacement seals, breakage of seals in overhaul installations and labor costs, it is not recommended they be overhauled. Replace the entire valve in accordance with the instructions in MAINTENANCE above or should they begin to leak.
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Q: Is the CCA-1700 approved for installation as an oil drain on a certified aircraft? Your website seems to indicate yes but the Curtis website says Non certified aircraft for oil drain. Several other Curtis drains on your website have a not for oil in certified aircraft notation. I would like to clarify before ordering.
CCA-1700 is not approved for a certified aircraft application. We have a note stating the approval only applies to fuel applications on the web page with all the Curtis units listed, and will add this note to the CCA-1700 page listing it alone. Sorry for any confusion this has caused.
Q: What sealant should be used when installing this Curtis valve CCA-1700?
Curtis recommend a either Teflon tape or something like Ez-Turn.