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GB/T 21385-2008: Metal-seated ball valve
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21385-2008 | English | 279 |
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Metal-seated ball valve
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GB/T 21385-2008
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Basic data | Standard ID | GB/T 21385-2008 (GB/T21385-2008) | | Description (Translated English) | Metal-seated ball valve | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J16 | | Classification of International Standard | 23.060.10 | | Word Count Estimation | 12,120 | | Date of Issue | 2008-02-02 | | Date of Implementation | 2008-07-01 | | Quoted Standard | GB/T 70.1; GB/T 196; GB/T 197; GB/T 228; GB/T 897; GB/T 898; GB/T 901; GB/T 4622.3; GB/T 5782; GB/T 5783; GB/T 6170; GB/T 6175; GB/T 7306 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.2 (Total No.115) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the flange connection, welded connections and threaded metal sealing ball terminology, structure, technical requirements, assembly and commissioning, , test methods, inspection rules, materials labeled, nameplate and supply. This standard applies to nominal sizes DN15 ~ PN600, nominal pressure of ball valve PN16 ~ PN420. | GB/T 21385-2008: Metal-seated ball valve---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Metal-seated ball valve
ICS 23.060.10
J16
National Standards of People's Republic of China
Metal sealing ball
Posted 2008-02-02
2008-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by China Machinery Industry Federation.
The standard valve by the National Standardization Technical Committee (SAC/TC188) centralized.
This standard was drafted. Hefei General Machinery Research Institute, Shanghai Neles JAMESBURY Valve Co., Ltd., Suzhou Neway Valve have
Ltd., Zhejiang Chaoda Valve Co., Ltd., Shanghai opened the valve-dimensional Ltd., Zhejiang Huadong Valve Co., Ltd., Zhejiang Wuzhou Valve
Manufacturing Co., Ltd., Chengdu high-valve Limited.
The main drafters of this standard. Huang Minya, Jincheng Bo, Wu You Jing, high Kaike, Qiu come, He Weihua, gold AD, Zhengzu Hui, had its products.
This standard by the National Standardization Technical Committee valve responsible for the interpretation.
Metal sealing ball
1 Scope
This standard specifies flange connections, welded connections and threaded metal sealing ball (hereinafter referred to as "valve") terms, structure,
Technical requirements, materials, assembly and commissioning, testing methods, inspection rules, marking, nameplates and supply.
This standard applies to nominal size DN15 ~ DN600, nominal pressure PN16 ~ PN420 the ball.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
All amendments (not including errata content) or revisions do not apply to this standard, however, encourage an agreement in accordance with this standard
Whether the parties can study the latest versions of these documents. For undated reference documents, the latest versions apply to this
standard.
GB/T in the 70.1 hexagon socket head screws (GB/T 70.1-2000, eqv ISO 4762.1997)
GB/T 196 common thread basic size (GB/T 196-2003, ISO 724.1993, MOD)
GB/T 197 common thread tolerance (GB/T 197-2003, ISO 965-1.1998, MOD)
GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, ISO 6892.1998 (E), MOD)
GB/T 901 and other long stud Class B
GB/T 4622.3 spiral wound gasket technical conditions
GB/T 5782 hexagon head bolts (GB/T 5782-2000, eqv ISO 4014.1999)
GB/T 5783 full thread hex head bolts (GB/T 5783-2000, eqv ISO 4017.1999)
GB/T 61701 type hexagon nuts (GB/T 6170-2000, eqv ISO 4032.1999)
GB/T 61752 type hexagon nuts (GB/T 6175-2000, eqv ISO 4033.1999)
GB/T 7306 55 ° sealing pipe thread (GB/T 7306-2000, eqv ISO 7-1.1994)
GB/T 9113.1 ~ 9113.4 Integral steel pipe flanges
GB/T 9124 steel flange technical conditions
GB/T 9128 steel pipe flanges with metal ring pad size (GB/T 9128-2003, ISO 7483.1991, NEQ)
GB/T 12220 Universal Valve logo (GB/T 12220-1989, idt ISO 5209. 1977)
GB/T 12221 metal valve structure length (GB/T 12221-2005, ISO 5752. 1982, MOD)
GB/T 12224 General requirements for steel valves
GB/T 12228 Universal valves carbon steel forgings
GB/T 12229 Universal valves carbon steel castings
GB/T 12230 Universal valves stainless steel castings
GB/T 13927-1992 Universal valve pressure test (neq ISO 5208. 1982)
Fire Test JB/T 6899-1993 valves
JB/T 7370 flexible graphite braided packing
JB/T 7928 General Valve supply requirements
Inspection and testing JB/T 9092-1999 valves
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