This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of steel through-tank pipe fittings with flange connection dimensions in accordance with GB 569 and GB 2501. This standard is applicable to ship piping systems with media such as fresh water, seawater, fuel oil, air and steam with a temperature not exceeding 300°C. CB/T 3480-1992 Steel Through-tank Pipe Fittings CB/T3480-1992 Standard download decompression password: www.bzxz.net

Shipbuilding Industry Standard of the People's Republic of China
CB/T3480--92
Steel Through-Tank Pipe Fittings
Published on August 21, 1992
China State Shipbuilding Corporation
Implementation on May 1, 1993
Shipbuilding Industry Standard of the People's Republic of China
Steel Through-Tank Pipe Fittings
1 Subject content and scope of application
CB/T3480-92
Classification number: U55
Replacement: CB*198--84
CB201---64
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of steel through-tank pipe fittings (hereinafter referred to as through-tank pipe fittings) with flange connection dimensions in accordance with GB569 and GB2501. This standard applies to the piping system of ships with the media of seawater, fresh water, fuel oil, air and steam at a temperature not exceeding 300°C. 2 Reference standards
Marine flange connection dimensions and sealing surfaces
GB2501 Marine flange connection dimensions and sealing surfaces (four-digit) GB5312 Carbon steel seamless steel pipes for ships
3 Product classification
3.1 The types of through-tank pipe fittings are specified as follows:
A-type flange connection dimensions are in accordance with GB569 stud-bolt fixed through-tank pipe fittings; AS-type-flange connection dimensions are in accordance with GB2501 stud-bolt fixed through-tank pipe fittings; AH-type-flange connection dimensions are in accordance with GB569 stud-bolt fixed thickened through-tank pipe fittings; AHS-type-flange connection dimensions are in accordance with GB2501 stud-bolt fixed thickened through-tank pipe fittings; B Type: welding fixed through-cabin pipe fittings with flange connection dimensions according to GB569; BS type: welding fixed through-cabin pipe fittings with flange connection dimensions according to GB2501; BH type
- welding fixed thickened through-cabin pipe fittings with flange connection dimensions according to GB569; BHS type: welding fixed thickened through-cabin pipe fittings with flange connection dimensions according to GB2501: C type: stud-bolt fixed through-cabin pipe fittings with flange connection dimensions according to GB569; CS type: stud-bolt fixed through-cabin pipe fittings with flange connection dimensions according to GB2501; CH type
- flange connection dimensions according to stud-bolt fixed thickened through-cabin pipe fittings with flange connection dimensions according to GB569; CHS type: inch stud bolt fixed thickened through-cabin pipe fittings according to GB2501; D type -
flange connection size according to GB569 welded fixed butt-joint through-cabin pipe fittings; DS type flange connection size according to GB2501 welded fixed butt-joint through-cabin pipe fittings; DH type - flange connection size according to GB569 welded fixed butt-joint thickened through-cabin pipe fittings; DHS type - flange connection size according to GB2501 welded fixed butt-joint thickened through-cabin pipe fittings; E type - flange connection size according to GB569 stud bolt fixed loose-fitting through-cabin pipe fittings; ES type - flange connection size according to GB2501 stud bolt fixed loose-fitting through-cabin pipe fittings; EH type - flange connection size according to G B569 stud bolt fixed loose sleeve thickened through-tank pipe fittings; EHS type
flange connection dimensions according to GB2501 stud bolt fixed loose sleeve thickened through-tank pipe fittings; flange connection dimensions according to GB569 welded fixed loose sleeve through-tank pipe fittings; one flange connection dimensions according to GB2501 welded fixed loose sleeve through-tank pipe fittings; China State Shipbuilding Corporation approved on August 21, 1992 and implemented on May 1, 1993
CB/T3480-92
FH type one flange connection dimensions according to GB569 welded fixed loose sleeve thickened through-tank pipe fittings; one flange connection dimensions according to GB2501 welded fixed loose sleeve thickened through-tank pipe fittings. FHS type
3.2 The basic parameters of through-tank pipe fittings are specified in Table 1. Table 1
Nominal pressure PN
Nominal diameter DN
20~500
20~150
20~300
20~150
3.3 Flange connection dimensions are in accordance with GB569 A type, AH type, B type, BH type through-tank pipe fittings structural dimensions are in accordance with Figure 1, Figure 2 and Table 2.
Figure 1 A type, AH type, AS type, AHS type
CB/T3480--92
Figure 2 B type, BH type, BS type, BHS type
3.4 ​​Flange connection dimensions are in accordance with GB569 C type, CH type, D type DH type through-tank pipe fittings structural dimensions are in accordance with Figure 3, Figure 4 and Table 3.
3.5 The flange connection dimensions shall be in accordance with the structural dimensions of the through-tank pipe fittings of type E, type EH, type F and type FH of GB569 as specified in Figure 5, Figure 6 and Table 4.
3.6 The flange connection dimensions shall be in accordance with the structural dimensions of the through-tank pipe fittings of type AS, type AHS, type BS and type BHS of GB2501 as specified in Figure 1, Figure 2 and Table 5.
3.7 The flange connection dimensions shall be in accordance with the structural dimensions of the through-tank pipe fittings of type CS, type CHS, type DS and type DHS of GB2501 as specified in Figure 3, Figure 4 and Table 6.
3.8 The flange connection dimensions shall be in accordance with the structural dimensions of the through-tank pipe fittings of type ES, type EHS, type FS and type FHS of GB2501 as specified in Figure 5, Figure 6 and Table 7.
CB/T3480—92
Figure 3C type, CH type, CS type, CHS type
Figure 4D type, DH type, DS type, DHS type
CB/T3480-92
Figure 5E type, EH type, ES type, EHS type
Figure 6F type, FH type, FS type, FHS type
114×6
140×6
168×7
114 ×8
140×8
168×9
140×8
168×9
Structural length
CB/T3480-92
Pipe flange
A, AH
B, BH
Bulkhead flange,
258225www.bzxz.net
283250
A, AH, B, BH type
CB/T3480—92
A, AH type B, BH type
13.7|14. 4
Weight, kg
Normal extension
Normal extension
19.821.915.8|17.9
39.7120.7
2 19×8
273×9
325×10
377×9
426×9
480×9
530×9
2 19×8
273×9
325×10
377×9
426×9
480×9
530×9
2 19×10
273×10
325xi1
377×12
426×12
480×12
530×12| |tt||219×10
273×10
325×11
377×12
426×12
480×12
530×12
Structural length
CB/T3480
Pipe flange
Net M20
B, BH
Bulkhead flange,
C B/T3480-92
A, AH type B, BH type
Weight.kg
Ordinary lengthened Ordinary
93.2103.7
106.7118.2
92.5104.0
Yingtong lengthened
Ordinary lengthened
103.4117.3
118.5133.3
63. 674-4
91.5105.3
103.8119.0
114×6
140×6
168×7
114×6
140×6
168×7
114×8
140×8
168×9
114 ×8 |
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