Serial No
Type
Nominal working Pressure(MPa)
Nominal Outer Dia(mm)
Water test pressure(MPa)
Volume(L)
Length(mm)
Weight(kg)
Carry out standard
1
GNP20-20-232A
20
232
30
640
27
34CrMo4
ISO11439
2
GNP20-25.5-232A
25.5
790
32
3
GNP20-28-232A
28
850
35
4
GNP20-57-356A
356
57
815
75
5
GNP20-77-356A
77
1040
93
6
GNP20-113-356A
113
1440
125
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