Model Descriptions:

Shipboard air compressor pressure relief valve in full conformance with Mil-V-22549. Connections are 1/2″ inlet and 3/4″ outlet union end silver braze. Bronze construction, bottom-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: 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: 2.88″
  • Unit Weight: 3 LBS.

Note: Dimensions include Union Nuts & Tailpieces

DANCO Valve Identification System