LPG
Technical Details
5.211
FLEXWELL®-LPG Pipe Systems for Petrol Station
s
End coupling
screwed with graphite sealing, connection with NPT male threa
d
Temperaturbeständig bis –50 °C, Nenndruck 25 ba
r
Heat shrink tube o
r
corrosion protection tape
D
2
N
P
T
D
1
entirely presse
d
l
min. standard gauge = L min
.
Material composition:
Connecting piece with NPT male thread cryogenic steel 25CrMo4 (No. 1.7218)
Pressure ring
cryogenic steel 25CrMo4 (No. 1.7218
)
Sealing ring
graphite (SIGRAFLEX F...Z
)
Core piece
stainless steel (No. 1.4571)
Clamping ring
cryogenic steel 25CrMo4 (No. 1.7218
)
End coupling GRAPA with NPT male threa
d
Type
DN
l
L min.
NPT thread
D1
D2
Article No
.
mm
mm
inch
mm
m
m
LPG 22/33
20
121
210
¾"
55
61
1014394
LPG 30/40
25
129
210
1"
65
71
1014401
LPG 39/50
32
140
220
1 ¼"
81
87
1014409
LPG 48/61
40
154
230
1 ½"
93
99
1014417
LPG 60/74
50
158
240
2"
109
115
1014423
End coupling GRAPA with NPT male thread, reduce
d
Type
DN
l
L min.
NPT thread
D1
D2
Article No
.
mm
mm
inch
mm
m
m
LPG 30/40
25
129
210
¾"
65
71
1014402
LPG 39/50
32
140
220
¾"
81
87
1014410
Testing of quality, treatment, pressure and material in line with the system approval by
external inspection authorities and the internal quality management
.
19.03.2026 Subject to technical changes. Page 7
