This standard specifies the marking content, marking code, marking method, font, size and position of marine valves and pipeline accessories. This standard applies to the marking of marine valves and pipeline accessories. GB 3032-1989 Marking of marine pipeline accessories GB3032-1989 Standard download decompression password: www.bzxz.net

UDC621.B43:629.12.061
National Standard of the People's Republic of China
GB 8032-89
Marks for marine piping accessories
Marks for marine piping valves and fittings1989-08-31Promulgated
Implementation on 1990-01-01
Promulgated by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Marks for marine piping valves and fittingsThis standard refers to the Western Standard 1S06209-1077--Marking of industrial valves". 1 Subject content and scope of application
GB $0$2-$P
Generation CE3032B2
This standard specifies the mark scheme for valves and piping accessories. The marking code, marking method and marking font, size and size are reviewed. This mark can be applied to the marking of service doors and pipeline accessories. 2 Reference standards CB*3261: Standard product marking writing rules GB4457.3 Mechanical drawing fonts 8 Marking content 3.1 The marking of the pipe should generally include the following contents: nominal diameter D () b, nominal pressure P, maximum working pressure P (MPa) core: body material + d, medium unidirectional flow resistance, arrow indicating the flow direction of the medium; e: brushing! Name of the trademark! Melting furnace number.
3.2 For special parts or as needed, other additional marks may be added, such as: standard, model, limit working force, working limit, inspection record, year and month of overhaul, etc.
s. For accessories with nominal pressure less than 0.5MPa, the nominal pressure shall not be marked. 3.4 For accessories with steam as supplementary test, add "ZS" mark; for accessories with air as supplementary test, add "KS" mark. 35 The end of the rod of the cutting net shall be engraved with "一字即培" and painted red. 4 Material marking code
The material is marked with the material specified in CB+326t Carbon steel - GI bZxz.net
Stainless steel - -N:
Magnesium - T,
Ball casting Iron---M
Adjustable--Q:
Brass--H
Aluminum alloy--
China Shipbuilding Industry Corporation 1988-11-25 approved 1590--01 implementation
6 Marking method
83032-80
51 The mark can be cast or printed together with the accessory body, or printed on the accessory body or fixed on the accessory body in the form of a coin plate. 5.2 The nominal normal force is marked with its non-radial value, and the PN code is not marked before the value. The nominal diameter is marked with its nominal value, and the DN number is marked before the diameter.
58 The nominal pressure (or working pressure), nominal diameter increase and the standard head of the guide direction are marked according to the table and the example of the graded form. Bottom flow
Nominal pressure Pn, MPa
Distance D,
Marking form
One-way dynamic
Double (multiple)
5.4 Restrictions on the shape and size of small-sized alternative zeros. When it is difficult to connect the table form, it is allowed to use the DN50!/1N50 style sign.
6 Marking style and size
6.1 The marking should be obvious, clear, and the arrangement should be neat and symmetrical. The small vertical font of GB4457.3 is specified. e.2 The markings on the main body should be the size of the door, font and head. Table 2. Table 2
Nominal diameter
20 50
Main material right
If the color gold station
character according to the flat head size
new head surface
public government item diameter
Main material
Non-ferrous metal mesh
10:1~125
S5-125
Metal-clad
GH8032-88
Middle and product head size
, the relationship between the nominal diameter and the font and lung size in Table 2 is for reference. Limited to the actual situation of the attached blue mark position, it is allowed to enlarge or reduce the font and head size,
GR 3032-89
6.8 The marking number and depth printed on the body shall be in accordance with the table, nominal diameter, mm
Depth of body
Depth of body, mm
The marking number printed on the flange shall be in accordance with Table 4. Thickness, mm
Depth of body number
Depth of body, mnm
6.5 If smelting, No. 7 casting ratio can be used, or No. 5 font can be used to print the marking position
7.1 Nominal force (or lower proof force). The nominal diameter and the energy head indicating the direction of flow of the medium shall be marked in the middle position of the front of the accessory body in the form of Table 1, and shall be marked on the body or body flange in the form specified in 5.4. 7.2 The body material code shall be marked in the middle of the body surface. 7. The name of the manufacturer or the trademark shall be marked on the back of the body below the material mark. 7. The smelting furnace number may be marked on other visible positions of the body. 7.5 The standard, grade and "ZS" or "KS" mark for supplementary tests may be marked on the upper flange of the body or on the upper part of the body.
1.B Other additional marks may be marked on the sign fixed on the wooden floor. . The size and position of the mark shall be marked in proportion to the construction rate of various doors and accessories in accordance with the provisions of this standard. T. For examples of the position of the mark, see Appendix A [Multiple items]. Public medical treatment is
Public will be
Public bed is not large
Public ring through
Additional instructions:
(it: surface)
GR 3032—89
Appendix A
Example of the symbol position
(reference)
Store staff stop business
Donglan period item
This standard is issued by the Japanese Energy Exchange Corporation. The Dalian section of the standard [“centralized.
This standard is drafted by “Dongzao Pan!” and the drafter of this standard is Xi Qi.
The first publication date of this standard is April 1982. (Month)
(shaded)
Village personalization
Time material number
To two lengths
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