GB/T 1852-2008Marine cast steel flanged steam pressure reducing valves (English PDF)
船用法兰铸钢蒸汽减压阀
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 4, 2008
Implementation date
February 1, 2009
Scope
GB/T 1852-2008 is the English-translated version of 船用法兰铸钢蒸汽减压阀.
GB/T 1852-2008 is the Chinese standard "Marine cast steel flanged steam pressure reducing valves".
Its scope clause reads: This standard specifies the dimensions and sealing surface of the flange connection according to GB/T 569, GB/T 2501 Marine steel flanged steam valve (hereinafter Acronym valve) classification and marking requirements, test methods, inspection rules, packaging and storage.
This standard applies to temperature does not exceed 300 °C ship steam piping system with valve design, manufacture and acceptance. Its clauses include classification and marking.
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Document preview — GB/T 1852-2008
National Standard of the People's Republic of China
- ICS
- 47.020.30
- Classification
- U 52
- Replacing
- GB/T 1852-1993
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Classification and Marking
- 3.2 Basic parameters
- 3.3 Structure and basic dimensions
1 Scope
This standard specifies the dimensions and sealing surface of the flange connection according to GB/T 569, GB/T 2501 Marine steel flanged steam valve (hereinafter
Acronym valve) classification and marking requirements, test methods, inspection rules, packaging and storage.
This standard applies to temperature does not exceed 300 °C ship steam piping system with valve design, manufacture and acceptance.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 569 Marine flange connection dimensions and sealing surface
GB/T 600 marine piping valves General technical requirements
GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqv ISO 2768-2. 1989)
GB/T 1220-1992 stainless steel rod
GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance tolerance (eqv ISO 2768-1. 1989)
GB/T 1958 Geometrical Product Specifications (GPS) shape and position tolerance testing requirements
GB/T 2040-2002 Copper and copper alloy sheet
GB/T 2501 Marine flange connection dimensions and sealing surface (four into bits) (GB/T 2501-1989, neq ISO 2084. 1974)
Flag GB/T 3032 Ship pipeline accessories
GB/T 12229-2005 General valves carbon steel castings
CB/T 3396-1992 marine valve performance test
CB/T 3927 Marine casting wall thickness of the valve member
YB/T 5318-2006 alloy spring steel wire
3 Classification and Marking
Type 3.1
Predetermined type of valve are as follows.
A type --- flange dimensions and sealing surface according to GB/T 569 of the valve;
AS type --- flange dimensions and sealing surface according to GB/T 2501 of the valve.
3.2 Basic parameters
Valve basic parameters in Table 1.
Table 1 valve basic parameters
25 ~ 200 0.4 ~ 2.5
0.2 to 0.6
0.6 to 1.2
Note. The inlet pressure and outlet pressure differential of not less than 0.2MPa.
3.3 Structure and basic dimensions
3.3.1
A type of valve structure and basic dimensions shown in Figure 1 and Table 2.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 1852
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 1852-2008 | Marine cast steel flanged steam pressure reducing valves | current edition | Current |
| GB/T 1852-1993 | Marine cast steel flanged steam pressure reducing valves | previous edition | Superseded |
This page sells the current edition, GB/T 1852-2008. Earlier editions are listed for reference only.
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