// CODE SNIPPET
43.1.6.5 Distribution Systems — General
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43.1.6.5.1
Liquids shall be transported by means of closed
containers, approved safety cans, or approved portable tanks or
shall be transferred by means of a piping system. Open containers shall not be used for moving or storing liquids. [33:8.5.1]
43.1.6.5.2*
Wherever liquids are transferred from one
container to another, both containers shall be effectively
bonded and grounded to dissipate static electricity. [33:8.5.2]
43.1.6.5.3
Containers that supply spray nozzles shall be of the
closed type or shall be provided with metal covers that are kept
closed. Containers that do not rest on the floor shall have
supports or shall be suspended by wire cables. Containers that
supply spray nozzles by gravity flow shall not exceed 10 gal
(38 L) capacity. [33:8.5.3]
43.1.6.5.4
Original shipping containers shall not be subjected
to air pressure for supplying spray nozzles. [33:8.5.4]
43.1.6.5.5
Containers that are pressurized to supply spray
nozzles, air storage tanks, and coolers shall comply with all
applicable requirements of the ASME Boiler and Pressure Vessel
Code, Section VIII, for construction, tests, and maintenance.
[33:8.5.5]
43.1.6.5.5.1
Containers that meet the following requirements need not meet the requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, for construction, tests, and maintenance:
- Pressure containers less than 6 in. (150 mm) in diameter
- Pressure containers that operate at less than a gauge pressure of 15 psi (1.03 kPa)
- Siphon-type spray cups
43.1.6.5.6
If a heater is used to heat the liquid being sprayed,
it shall be low-pressure steam, low-pressure hot water, or electric. [33:8.5.6]
43.1.6.5.6.1
43.1.6.5.6.2
Heaters shall not be located in spray booths or
other locations subject to the accumulation of deposits of
combustible residue. [33:8.5.6.2]
43.1.6.5.7
Agitators, if used, shall be driven by compressed air,
water, low-pressure steam, or electricity. [33:8.5.7]
43.1.6.5.7.1
If the agitators are powered by an electric motor, the motor shall meet the requirements of Chapter 6 of NFPA 33. [33:8.5.7.1]
43.1.6.5.8
Methods for cleaning paint circulation systems shall
meet the requirements of Chapter 18 of NFPA 30. [33:8.5.8]
43.1.6.5.9
Compressed air shall be permitted to be used for cleaning paint delivery hose for individual applicators in a spray booth, provided both of the following requirements are met:
- The booth ventilation is operating.
- The maximum air pressure does not exceed the maximum working pressure of any component of the piping or hose system.
Related Code Sections
43.1.6.5 Spraying, Dipping, and Coating Using Flammable or Combustible Materials, Distribution Systems — General
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43.1.6.5 Spraying, Dipping, and Coating Using Flammable or Combustible Materials, Distribution Systems — General
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1303.1.1 Nonpotable Water Systems, Fire Protection Systems
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43.1.6.5.9 Spraying, Dipping, and Coating Using Flammable or Combustible Materials,
component of the piping or hose system. [33:8.5.9] ...