UFC 3-430-07
24 July 2003
including Change 1, Jan 2004 and Change 2, March 2005
It may be impractical to employ qualified personnel for such inspections
because of the limited workload. In such situations, request assistance in
obtaining inspection services from the appropriate Senior Boiler Inspector.
The Senior Boiler Inspector will arrange for the performance of those
inspection services by a Navy or contract inspector located near the
requesting activity. When assistance is required, such assistance will be
rendered on a reimbursable basis. The requesting activity is responsible
for providing the funds to accomplish the inspections.
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and unfired pressure vessels owned or leased by the DON, including portable boilers
and portable unfired pressure vessels, liquid propane gas (LPG) storage tanks, and
Mobile Utilities Support Equipment (MUSE) boilers. Shore-based hyperbaric facility
support pressure vessels, including, but not limited to, gas storage flasks, volume tanks,
fire water tanks, and filters are covered by this UFC. The following equipment is not
covered by this UFC:
Cylinders, including Department of Transportation (DOT) flasks, for
shipment of compressed or liquefied gases. Defense Logistics Agency
(DLA) Instruction 4145.25, Storage and Handling of Liquefied and
Gaseous Compressed Gasses and their Full and Empty Containers of 16
June 2000 governs.
Air tanks for air brakes on vehicles.
Unfired pressure vessels operating at an internal or external gage
pressure not exceeding 103.42 kiloPascals (kPa) (15 pounds per square
inch gage (psig)) with no limitation on size \, except deareators. /2/
Unfired pressure vessels that do not exceed the following volume,
pressure, and dimension limits:
0.14 cu. meters (5 cu ft) in volume and 1723.69 kPa (250 psi)
design pressure; or
0.08 cu. meters (3 cu ft) in volume and 2413.17 kPa (350 psi)
design pressure;
0.042 cu. meters (1-1/2 cu ft) in volume and 4136.85 kPa (600 psi)
design pressure.
Note: In an assembly of vessels, the limitations apply to each vessel and not the
assembly as a whole.
Vessels having an inside diameter, width, height, or cross section diagonal
not exceeding 152.4 mm (6 inches), with no limitation on length of vessel
or pressure.
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