Danco DL48CUU

Model Descriptions:

Shipboard air compressor pressure relief valve Danco DL48CUU drawing
Drawing (PDF)

Shipboard air compressor pressure relief valve for liquid drain application. Connections are 1/2″ inlet and 1″ outlet union end silver braze. The valve is in full conformance with MIL-V-22549 and features bronze construction, a stem guided with soft-seat design and a threaded cap. Rated to 400 PSIG.


  • Danco Valves are the industry’s premier mil-spec relief valves. The valves are quick acting, non-chattering and smooth guiding. They also feature optimal sealing tightness with a unique soft-seat design.
  • Shock approved in accordance with Mil-S-901C. Vibration approved in accordance with Mil-Std.-167-1.
  • We warranty materials and workmanship against defects for two years after the date of installation. This comprehensive warranty ensures complete manufacturer support.
  • All valves are wire sealed to prevent unauthorized tampering.
  • For capacity information specific to your application, please contact us.

Standard Materials:

  • Body: Bronze/ASTM B61
  • Bonnet & Cap: Naval Brass/ASTM B21
  • Seat, Disc & Stem: CRES 304/ASTM A276
  • Spring: Music wire/ASTM A228

Weights & Dimensions:

  • Overall Height: 7.25″
  • Center-to-Inlet Face: 3.56″
  • Center-to-Outlet Face: 3.25″
  • Unit Weight: 7 LBS.

Note: Dimensions include Union Nuts & Tailpieces

DANCO Valve Identification System:

Shipboard air compressor pressure relief valve Danco DL48CUU chart

CA state warning WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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