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PMS 448

PMS 448

Introduction

COVID-19 Refurb Guidelines

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Deleted Items

Valve – Wye, Gated, 1” NPSH-F X 1” NPSH-M X 1” NPSH-M

NFES #
000259
Category
Water Handling
Updated
Storage and Shelf Life Checks
None

Initial Inspection/Disposal Criteria

  1. Inspect for the following:
    1. Handles – bent, broken, missing, too tight, too loose, expansion pins coming out or missing, handles correct (left and right) and positioned properly.
    2. Male flange – flange missing, lock-ring and set-screws functional, damaged threads, smooth flat surface on flange, burrs on threads, or loose male flange.
    3. Female coupling – Coupling spins freely, gasket present, and in good condition, free of cracks, damage, or burrs on threads.
    4. Casting (body) – Fire damage—look for further damage, O-rings in good condition, corrosion, cracks, and burrs.
    5. Plastic sphere – Inspect sphere while turning handle; if pitted or rough, replace.
  2. Return to stock if item is clean, passes inspection, and is in unused condition.
  3. Refurbish if deficiencies are discovered during the inspection process and item requires cleaning.
  4. Dispose of item if damages are not repairable or item has sustained damage caused by fire.

Refurbishing Procedures

A. Cleaning

  1. Clean in a mild detergent with brush and scouring pad or use parts washer or high-pressure wash to remove foreign matter such as mud, dirt, or grease. Rinse thoroughly.
  2. Do not soak for extended periods of time, as detergent will corrode the metal.
  3. Stand upright with barrels in open position to drain water and dry.

B. Repair

  1. Replace missing or damaged O-rings and gaskets.
  2. Replace broken or missing handles.
  3. Repair or replace male flange if damaged is discovered on face or threads.
  4. Replace female coupling or bearings if not spinning freely. When replacing female couplings or bearings, ensure set screw is flush with inner diameter of body. This will prevent O-ring from tearing. Don’t lubricate ball bearings; keep dry and free of debris.
  5. Lubricate O-rings using a small amount of petroleum jelly or silicone base lubricants.

C. Testing for Performance

  1. Install valve on test pump.
  2. Turn on water to pump and open valve to expel air, then close valve.
  3. Turn on pump.
  4. NFES #000259 and NFES #000231 test at 300 PSI for 3 minutes.
  5. Inspect for leaks around the gasket, at the handles, and around flanges while on test pump.
  6. If valve leaks, repair as necessary, or dispose of through local procedures.
  7. Retest after repairs are made.

D. Repackaging

  1. Ensure item is completely dry prior to packaging.
  2. Run jute twine through either valve body and tie.
    Wye, gated valve body with jute through it and tied.
  3. Packaging:
    • Use NFES #000823 carton (15” x 15” x 10”) for a standard pack of 20 EA.

 

Reference

Water Handling Equipment Guide, PMS 447-1 

 

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