TABLE I
PIPE
Service
Pressure
Material
Specification Type
psi
Fiberglass (b)
API Spec 15LR
or UL
approved
Aboveground
Fuel oil
0-150
Std. wt. black steel
ASTM A 53/A 53M Type E or S
(No. 4, 5
Grade A or B
and 6)
0-150
Sched. 40 seamless or
API Spec 5L
Grade A
Elec. welded steel
or B
Fiberglass (b)
API Spec 15LR
or UL
approved
Control air
0-150
Copper tubing
ASTM B 88,
ASTM B 88M
Std. wt. black steel
ASTM A 53/A 53M
Type E,
Grade A
Natural gas
0-75
Std. wt. black steel
ASTM A 53/A 53M
Type E,
Grade A
(a)
No bending of pipe will be permitted.
(b)
For buried service only.
TABLE II
FITTINGS
Service
Size
Type
Material
Specifications
Steam
38 mm
and under
Screwed or
Steel
ASME B16.11,
Socket welded
50 mm and larger
Flanged or
Steel
ASME B16.5
Butt welded
Steel
ASME B16.9
Condensate
38 mm and under
Screwed or
Steel
ASME B16.11
return
Socket welded
extra strong
50 mm and larger
Butt welded
Steel
ASME B16.9
extra strong
Vent pipe
38 mm and under
Screwed
50 mm and larger
Butt welded
Steel
ASME B16.9
Compressed
38 mm and under
Screwed
Zinc-coated ASME B16.3
air
malleable iron
50 mm and larger
Butt welded
Steel
ASME B16.9
Boiler
38 mm and under
Screwed or
Steel
ASME B16.11
feed
Socket welded
extra strong
50 mm and larger
Butt welded
Steel
ASME B16.9,
extra strong
SECTION 15561A
Page 114
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