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PMS 448

PMS 448

Introduction

COVID-19 Refurb Guidelines

References

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Aviation

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Water Handling

Deleted Items

Nozzle – Combination, Barrel, KK 1”

NFES #
001081
Category
Water Handling
Updated
Storage and Shelf Life Checks
None

Initial Inspection/Disposal Criteria

  1. Inspect for burrs and cracks, broken plastic, or fire damage. Inspect gasket and replace if missing, cracked, or stiff. Inspect for screw and nylon washer. Inspect hose coupling threads for damage.
  2. Barrel must turn freely.
  3. Return to stock if nozzle functions properly, is free of damage and clean.
  4. Refurbish if nozzle is repairable.
  5. Dispose of any nozzle that is damaged beyond repair, has burn damage, or fails Testing for Performance and deficiencies cannot be corrected. Old style KK: Inspect threads inside of barrel; if they are damaged, dispose of nozzle.

Refurbishing Procedures

A. Testing for Performance

  1. Replace gasket if necessary.
  2. Connect nozzles to pump or manifold. Confirm connection ends are not out of round and there is no damage to threads.
    1. Pressure Test:
      1. Start pump.
      2. Make sure nozzles are open. Let all air escape. Shut nozzles.
      3. Pressurize to 300 PSI and hold for 3 minutes
  3. Inspect for leak:
    • Around the gasket
    • Behind the barrel
    • Tip of barrel (in closed position)

B. Cleaning

  1. All items will be washed and cleaned of foreign matter, such as mud, dirt, and grease. Clean in a mild detergent with brush and scouring pad, or high pressure wash as needed. Do not soak for extended periods of time as the detergent will corrode the metal.
  2. Rinse thoroughly.
  3. Stand upright with barrel in open position to drain water and dry.

C. Repair

  1. Replace gaskets, washers, or screws as needed.
  2. Replace tip, screw, and O-ring, if needed (NFES #001081, #001082).

D. Retesting

  • Following completion of any repairs, retesting of nozzles must be completed following Testing for Performance, above.

E. Repackaging

  • Stand upright and dry completely prior to repackaging.
    • Use NFES #008064 carton (10” x 8” x 6”)  for each of the following:
      • NFES #001081 STANDARD PACK 20 per carton

 

Reference

Water Handling Equipment Guide, PMS 447-1 

 

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NWCG is excited to announce that the Quarter Two materials for the 2025/2026 Wildland Fire Leadership Campaign are now available! This annual initiative invites all leadership and wildland fire management students to engage with essential skills and knowledge needed to lead effectively in dynamic environments.

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NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1

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