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PIPE INSULATION
ENGLISH
Insulation of Branch Piping
Y Branch Insulation
Header branch insulation
Ⓐ Sleeve
Ⓑ Heat insulating
material
Ⓒ Lagging
Ⓓ Caulking material
Ⓔ Band
Ⓕ Waterproofing layer
Ⓖ Sleeve with edge
Ⓗ Lagging material
Ⓘ Mortar or other
incombustible caulking
Ⓙ Incombustible heat
insulation material
1m1m
A
B
D
F
G
B
G
D
B
H
I
J
A
E
B
I
A
B
D
C
Inner wall (concealed)
Floor (fireproofing)
Penetrating portion on fire
limit and boundary wall
Roof pipe shaft
Outer wall
Outer wall (exposed)
- Install properly for the liquid pipe and the
cover. Seal the joint area of the cover②
using a heat sealing tape (locally purchased).
- Insulate the gas pipe in the same way as
above.
- Insulate the header branch with the insula-
tion material as shown in the figure.
Tape
(locally
purchased)
Cover ڹ
Insulation material
(locally purchased)
Liquid pipe ڸ
Insulation of the part where
pipes penetrate walls and others
When filling a gap with mortar, cover the pen-
etrating part with steel plate to prevent the
insulation material from being caved in. For
the bottom part, use incombustible materials
for both insulation and covering. (Vinyl cover-
ing should not be used.)
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