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Mueller Industries AH15514 Angle Pressure Relief Valve W/NPTFE X FLARE 1/2" X 5/8" 400 PSI

Special Price $141.13 Regular Price $162.30
In stock
SKU
AH15514
The Mueller Industries AH15514 is an Angle Pressure Relief Valve of 400 PSI, with a 1/2” NPTFE inlet and a 5/8” flare outlet. This valve is constructed from aluminum giving it the capability to perform well in difficult conditions. But for its optimum operation, it should be in a temperature range of -40°F to 240°F to suit various operations. This pressure relief valve functions by sensing fluctuating pressures and releasing them to ensure high efficiency and mitigate future harm to the structure. If the system pressure rises beyond 400 PSI, the valve opens to let go of the pressure, and when normal conditions return it shuts.
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Specifications

  • Size: 1/2"
  • Range of Temperature: ‐40°F/240°F
  • Pressure Regulator(PSI): 400 PSI
  • Material: Aluminum
  • Connection Type: NPT
  • Weight: 0.95 Lbs
Manufacturer Name: Mueller Industries
Product Number: AH15514
OEM Part Number: AH15514
Product Description: 400# 1/2X5/8 Ang Nptfe-Flr Prv
Weight:1.13lbs/512.56g

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Customer Questions
What maintenance is required for the Mueller Industries AH15514 Pressure Relief Valve?

Regularly inspect the valve for leaks, corrosion, and proper seating. Clean any debris from the threads and connection points. Testing pressure relief function periodically ensures safe operation and prevents overpressure conditions.

What are common issues with the Mueller Industries AH15514 Pressure Relief Valve?

  • Leaks at connections or valve seat.
  • Failure to open at designated pressure.
  • Sticking or slow response of the valve.
  • Corrosion or damage to threads and body.

Installation Steps

Step 1: Shut off system pressure and ensure safety before installation.

Step 2: Locate the pipe section where the valve will be installed.

Step 3: Apply tape or sealant to the threaded connections.

Step 4: Screw the valve into place, aligning the outlet correctly.

Step 5: Tighten securely using a wrench, avoiding overtightening.

Step 6: Connect the flare fitting as required and check alignment.

Step 7: Restore system pressure and inspect for leaks, adjusting if necessary.