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GB/T 24924-2010: Resilient-seated gate valves for water supply service
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24924-2010 | English | 299 |
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Resilient-seated gate valves for water supply service
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GB/T 24924-2010
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Basic data | Standard ID | GB/T 24924-2010 (GB/T24924-2010) | | Description (Translated English) | Resilient-seated gate valves for water supply service | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J16 | | Classification of International Standard | 23.060.30 | | Word Count Estimation | 13,155 | | Date of Issue | 2009-08-09 | | Date of Implementation | 2010-12-31 | | Quoted Standard | GB/T 1220; GB/T 3452.1; GB/T 5796.3; GB/T 5796.4; GB/T 6739-2006; GB/T 8923-1988; GB/T 9286-1998; GB/T 12220; GB/T 12221; GB/T 12225; GB/T 12226; GB/T 12227; GB/T 13927; GB/T 17219; GB/T 17241.6; GB/T 17241.7; JB/T 7928; HG/T 3091 | | Adopted Standard | AWWA C509-2001, MOD | | Regulation (derived from) | National Standard Approval Announcement 2010 No.3 (Total No.158) | | 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 elastic sealing valve (hereinafter referred to as the gate) of the terms and definitions, structure and length of the structure, technical requirements, test methods, , inspection rules, signs and material supply requirements. This standard applies to the nominal size of not more than DN300, is not greater than the nominal pressure PN25, or greater than the nominal size DN300 ~ DN800, is not greater than the nominal pressure PN16, using ju not more than 80 t, flange connection, iron gate valves for water supply systems procurement, design, manufacture and acceptance. | GB/T 24924-2010: Resilient-seated gate valves for water supply service---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.
Resilient-seated gate valves for water supply service
ICS 23.060.30
J16
National Standards of People's Republic of China
Water supply system with elastic sealing valve
Posted 2009-08-09
2010-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 structure and the length of the structure in the form of 2
5 Technical requirements 3
6 material 6
7 Test methods 7
8 7 inspection rules
9 logo and supply requirements 8
Appendix A (normative) Valve test torque 9
Foreword
This revised standard adopts AWWAC509.2001 "water supply system with elastic sealing valve" (in English).
This standard AWWAC509.2001 The main differences are as follows.
--- AWWAC509 standard referenced are changed to refer to relevant standards in China;
--- AWWAC509 US units, this standard metric units;
--- Deleted AWWAC509 foreword;
--- AWWAC509 standard nominal size 75mm ~ 750mm, according to GB/T 1047 series of values, this standard were taken
DN80, DN800; the scope of this standard from DN75 ~ DN750 extended to DN50 ~ DN800;
--- Increased structural diagram next shot type valve and the dark bar gate valve;
--- Increasing the cap and the structure diagram and dimensions;
--- Table 2 for values \u200b\u200bof stem diameter were rounded, and remove the valve opening lap one;
--- Added "8 Inspection Rules" chapter;
--- Added Appendix A (normative) "test torque."
Appendix A of this standard is a normative appendix.
The standard proposed by China Machinery Industry Federation.
The standard valve by the National Standardization Technical Committee (SAC/TC188) centralized.
This standard is drafted by. Hefei General Machinery Research Institute, Anhui White Lake Valve Factory Co., Ltd., Shanghai Huatong Valve Co.,
The company, open the valve dimension hi Group Co., Ltd., HSBC Shanghai Valve Manufacturing Co., Ltd. Zhuzhou Southern Valve Co., Ltd., the Group has jade
Limited, Qingyang County in Anhui Fangxing Industrial Co., Ltd., Jiangsu-valve High Pressure Valve Co., Ltd.
The main drafters of this standard. Hu Jun, Chen Jiangshan, ZHANG Yong-hui, Li Guohua, Chen Tiejun, Yin Jianguo, Ge Keke, Fangzuo Sheng, Zhou Baoqiang.
Water supply system with elastic sealing valve
1 Scope
This standard specifies the elastic sealing valve (hereinafter referred to as gate) terms and definitions, structure and length of the structure, technical requirements, materials,
Test methods, inspection rules, signs and supply requirements.
This standard applies to nominal size no greater than DN300, nominal pressure of not more than PN25, or greater than the nominal size DN300 ~ DN800,
Nominal pressure of not more than PN16; temperature of not more than 80 ℃; flange; iron gate for water supply systems of procurement, 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 1220 stainless steel rods
GB/T 3452.1 hydraulic and pneumatic rubber O-ring Part 1. Dimensions, tolerances (GB/T 3452.1-2005,
ISO 3601-1.2002, MOD)
GB/T 5796.3 trapezoidal thread Part 3. Basic Size (GB/T 5796.3-2005, ISO 2904. 1977, MOD)
GB/T 5796.4 trapezoidal thread Part 4. Tolerances (GB/T 5796.4-2005, ISO 2903.1993, MOD)
GB/T 6739-2006 Determination of film hardness by pencil paints and varnishes (ISO 15184.1998, IDT)
GB/T 8923-1988 steel surface before painting Rust grades and grade (eqv ISO 8501-1. 1988)
GB/T 9286-1998 Paints and varnishes cut test (eqv ISO 2409.1992)
GB/T 12220 Universal Valve logo (GB/T 12220-1989, idt ISO 5209. 1977)
GB/T 12221 Universal valve structure length (GB/T 12221-2005, ISO 5752. 1982, MOD)
GB/T 12225 General Valve copper alloy castings
GB/T 12226 General Valve gray iron castings
GB/T 12227 General Valve iron castings
GB/T 13927 universal valve pressure test
GB/T 17219 in drinking water safety equipment and protective materials evaluation criteria
GB/T 17241.6 whole cast iron flanges
GB/T 17241.7 cast iron pipe flanges (GB/T 17241.7-1998, neqISO 7005-2. 1988)
JB/T 7928 General Valve supply requirements
HG/T 3091 rubber seals, drainage and sewerage pipelines - Interface ring material specification
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Elastic sealing resilient-seat
One kind of gate valve sealing structure and the elastic flat seat (with the whole body cast) thereof.
3.2
Seal stemsealing
On the bonnet or stem, seals or packing filler, used to prevent stem leakage structure.
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