242
In
te
rn
al
c
yl
in
d
ri
ca
l
th
re
ad
I
S
O
7
-1
A
p
p
ly
a
s
ea
lin
g
p
ro
d
u
ct
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
Flexible metal pipes
AGB / BGV
S
ea
le
d
jo
in
t
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
T
h
re
ad
I
S
O
7
-1
G
as
s
u
p
p
ly
p
ip
es
A
G
B
-B
G
V
a
u
th
o
ri
se
d
g
as
s
to
p
c
o
ck
Linking
component
Loose nut
Loose nut
G
as
a
p
p
lia
n
ce
E
xt
er
n
al
c
o
n
ic
al
t
h
re
ad
I
S
O
7
-1
S
ea
le
d
jo
in
t
In
te
rn
al
c
yl
in
d
ri
ca
l
th
re
ad
I
S
O
2
2
8
-1
S
ea
le
d
jo
in
t
AGB / BGV
Flexible elastomer
S
ea
le
d
jo
in
t
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
T
h
re
ad
I
S
O
7
-1
G
as
s
u
p
p
ly
p
ip
es
A
G
B
-B
G
V
a
u
th
o
ri
se
d
g
as
s
to
p
c
o
ck
Loose nut
Loose nut
G
as
a
p
p
lia
n
ce
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
A new flexible AGB-BGV elastomer hose in the two versions to be assembled.
G
as
a
p
p
lia
n
ce
E
xt
er
n
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
A
p
p
ly
a
s
ea
lin
g
p
ro
d
u
ct
E
xt
er
n
al
c
o
n
ic
al
t
h
re
ad
I
S
O
7
-1
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
7
-1
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
In
te
rn
al
c
yl
in
d
ri
ca
l
th
re
ad
I
S
O
2
2
8
-1
S
ea
le
d
jo
in
t
C
o
n
ic
al
su
rf
ac
e
C
o
n
ic
al
s
u
rf
ac
e
Flexible metal pipes
AGB / BGV
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
7
-1
T
h
re
ad
I
S
O
7
-1
A
G
B
-B
G
V
a
u
th
o
ri
se
d
g
as
s
to
p
c
o
ck
Loose nut
A
p
p
ly
a
s
ea
lin
g
p
ro
d
u
ct
G
as
s
u
p
p
ly
p
ip
es
C
o
ve
ri
n
g
in
a
s
yn
th
et
ic
m
at
er
ia
l
S
ta
in
le
ss
s
te
el
b
ra
id
in
g
S
ta
in
le
ss
s
te
el
f
le
xi
b
le
p
ip
e
S
ea
l:
fo
r
m
et
al
t
o
m
et
al
c
o
n
ta
ct
S
p
h
er
ic
al
s
u
rf
ac
e
In
te
rn
al
c
yl
in
d
ri
ca
l t
h
re
ad
IS
O
2
2
8
-1
E
xt
er
n
al
c
o
n
ic
al
t
h
re
ad
I
S
O
7
-1
IS
O
7
-1
Flexible metal R
HT
pipe, AGB-BGV certificated
G
as
a
p
p
lia
n
ce
Fig. 9.6
Fig. 9.7