Danco D49-30UU Shipboard Air Compressor Mil-Spec Relief Valve

Valves built to stringent military specifications are essential for ensuring that shipboard pneumatic and fluid transport systems can do their jobs under the most demanding maritime circumstances. On vessels where failure is absolutely not an option, no matter how harsh the conditions, shipboard air compressors depend on the highest quality mil-spec relief valves to ensure smooth and successful maritime operations and crew safety.

The Danco D49-30UU Shipboard Air Compressor Pressure Relief Valve is crafted in full conformance with Mil-V-22549. Through rigorous testing to military standards for shock and vibration resistance, the Danco D49-30UU provides ideal high-pressure protection for your most essential shipboard systems.

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A Mil-Spec Relief Valve for High-Pressure Applications

The Danco D49-30UU mil-spec relief valve is designed in alignment with stringent military specifications to provide pressure relief for shipboard air compressors in high-pressure environments.

With rigorous quality assurance to meet military specifications and a pressure rating of up to 3000 PSIG, the D49-30UU shipboard air compressor valve provides:

  • The ability to perform reliably in the high-pressure air systems found on naval vessels and in specialized maritime equipment
  • Utility in an expanded range of applications, including military applications where the air compressor system operates at elevated pressures
  • Reliability and performance backed by rigorous testing for high-pressure mil-spec relief valves
  • A greater margin of safety in high-pressure environments
  • Durability and resilience against wear and tear in harsh shipboard environments
  • A standardized design for interchangeability and interoperability in military systems

Model Descriptions:

Shipboard air compressor pressure relief valve Danco D49-30UU diagram
Drawing (PDF)

The Danco D49-30UU relief valve is designed with a bronze construction and a bottom-guided configuration to adhere to precise MIL-V-22549. Its 1/2″ inlet connection and 3/4″ outlet connection both utilize a union end silver braze in accordance with Navy standards to provide leak-free connections.

This mil-spec relief valve is rated to handle pressures up to 3000 PSIG, making its robust design especially useful for extremely high-pressure air compressor systems.

Features :

With pressure relief rated to 3000 PSIG for dependable performance in extremely high-pressure systems, the Danco D49-30UU delivers a wide range of features crucial for ensuring the long-term reliability, efficiency, security, and safety of shipboard air compressor systems.

  • Quick-acting, non-chattering pressure relief
  • Smooth guiding
  • Corrosion-resistant bronze construction
  • 1/2″ inlet and 3/4″ outlet connections with leak-free silver braze
  • Pressure relief rated to 3000 PSIG
  • Bottom guiding and soft-seat design to provide optimal sealing tightness
  • Full conformance with MIL-V-22549
  • Shock approved in accordance with MIL-S-901C
  • Vibration approved in accordance with MIL-STD-167-1
  • Wire sealed to ensure valve integrity in sensitive operations
  • Comprehensive warranty package

The materials and workmanship for Danco D49-30UU Mil-Spec Relief Valves are backed by a comprehensive two-year warranty against defects.

For capacity information specific to your application, please contact us.

Standard Materials:

The D49-30UU incorporates high-quality materials to withstand the corrosive and challenging marine environment.

The D49-30UU can use carbon steel, music wire, chrome vanadium, chrome silicon, or CRES/316 springs—refer to the DANCO Valve Identification System chart for further details.

  • Body: Bronze/ASTM B61
  • Bonnet & Cap: Naval Brass/ASTM B21
  • Seat & Stem: CRES 304/ASTM A276
  • Spring: Carefully selected for applications; see chart
  • Disc Assembly:
    • Disc: CRES 303/ASTM A582
    • Disc Insert: Polysulfone/P1700 Natural -11

Weights & Dimensions:

With an overall height of 8.5″, the D49-30UU mil-spec relief valve is designed for efficient integration into shipboard air compressor systems. The unit’s weight of 7 lbs. ensures a robust construction without sacrificing ease of handling or installation.

  • Overall Height: 8.5″
  • Center-to-Inlet Face: 3.0″
  • Center-to-Outlet Face: 3.0″
  • Unit Weight: 7 LBS.

Note: Dimensions include Union Nuts & Tailpieces

When the stakes are high and the pressure is higher, you can rely on the Danco D49-30UU to ensure your shipboard air compressor’s safe and reliable performance.

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DANCO Valve Identification System:

Shipboard air compressor pressure relief valve Danco D49-30UU chart

 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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