Danco D40UU

Model Descriptions:

Drawing (PDF)

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

Features:

  • 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: CRES 304/ASTM A276
  • Disc Assembly:
    • Disc: Naval Brass/ASTM B21
    • Disc Insert: Teflon/AMS 3660
    • Disc Guide: Bronze/ASTM B61
  • Stem Assembly:
    • Stem: CRES 304/ASTM A276
    • Stem Foot: Naval Brass/ASTM B21
  • Spring: Music Wire/ASTM A228

Weights & Dimensions:

  • Overall Height: 6.25″
  • Center-to-Inlet Face: 2.75″
  • Center-to-Outlet Face: 2.75″
  • Note: Dimensions include Unio

Danco Valve Identification System:

D40UU_chart_430

 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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