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GB/T 32290-2015: Reduced-wall, resilient-seated gate valves for water supply service
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32290-2015 | English | 319 |
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Reduced-wall, resilient-seated gate valves for water supply service
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GB/T 32290-2015
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Basic data | Standard ID | GB/T 32290-2015 (GB/T32290-2015) | | Description (Translated English) | Reduced-wall, 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 | 15,174 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 228.1; GB/T 825; GB/T 1220; GB/T 3098.1; GB/T 3098.6; GB/T 3452.1; GB 4208-2008; GB/T 4956; GB/T 5796.1; GB/T 5796.2; GB/T 5796.3; GB/T 5796.4-2005; GB/T 6739-2006; GB/T 7760; GB/T 9286-1998; GB/T 9441-2009; GB/T 11211; GB/T 11253; GB/T 12220; GB/T 12221; GB/T 12225 | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | 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 terminology and definition, structure type, technical requirements, test methods, inspection rules, signs, supply requirements and quality assurance levies of the elastic seal light gate valve for water supply system. This standard applies to ductile cast iron flexible seal valve. The scope of application of the nominal pressure is not greater than the PN16; medium water, water temperature range of 1 �� ~ 80 ��; valve full open medium flow rate does not exceed 4.9 m/s; nominal size DN 50 ~ DN 1200 dark rod gate valve and nominal size DN 50 ~ DN 600 of the Ming-type gate valve. | GB/T 32290-2015: Reduced-wall, 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.
Reduced-wall, 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 flexible sealing light gate valve
Reduced-wal, resilient-seatedgatevalvesforwatersupplyservice
2015-12-10 released
2016-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface I
1 Scope 1
2 normative reference document 1
3 Terms and definitions 2
Structure Type 2
Technical requirements 3
Test Method 8
7 Inspection rules 10
8 logo, supply requirements and quality assurance 11
Figure 1 typical structure of the hull type gate valve
Figure 2 typical structure of the gate valve
Table 1 opening and closing torque 4
Table 2 the number of open and close cycles 4
Table 3 Shell wall thickness and stem diameter 5
Table 4 Bypass valve specifications 7
Table 5 Main parts materials 7
Table 6 Test items 10
Table 7 Minimum number of samples and the number of samples 11
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Valve Standardization Technical Committee (SAC/TC188) centralized.
This standard is responsible for drafting units. Hefei General Machinery Research Institute, Anhui Red Star Valve Co., Ltd.
This standard participates in the drafting unit. Shanghai Huatong Valve Co., Ltd., Anhui Baihu Valve Factory Co., Ltd., Shanghai Guanlong Valve Machine
Co., Ltd., Ningbo Amy Ke Copper Valve Co., Ltd., Anhui Fangxing Industry (Group) Co., Ltd.
The main drafting of this standard. Liu Xiaochun, Han Anwei, Liu Tiean, Chen Jiangshan, Li Zhenghong, Zheng Xuezhen, Jiang Jiaqian.
Water supply system with flexible sealing light gate valve
1 Scope
This standard specifies the terms and definitions of the flexible sealing valve (hereinafter referred to as the gate valve) for the water supply system, the structural type, the technical requirements,
Test methods, inspection rules, signs, supply requirements and quality guarantee.
This standard applies to ductile iron flexible sealing valve. Applicable to the nominal pressure is not greater than PN16; medium for water, water temperature
Range 1 ℃ ~ 80 ℃; when the valve is fully open medium flow rate of not more than 4.9m/s; nominal size DN50 ~ DN1200 of the dark rod-type gate valve and the public
Called DN50 ~ DN600 size of the gate valve.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Metallic materials - Tensile testing - Part 1. Test methods for room temperature GB/T
GB/T 825 rings screw
GB/T 1220 stainless steel bar
GB/T 3098.1 Fasteners - Mechanical properties - Bolts, screws and studs
GB/T 3098.6 Fasteners - Mechanical properties - Stainless steel bolts, screws and studs
GB/T 3452.1 O-shaped rubber seals for hydraulic applications - Part 1. Dimensions series and tolerances
GB 4208-2008 enclosure protection class (IP code)
GB/T 4956 Magnetic properties - Non - magnetic coating - Overlay thickness measurement - Magnetic method
GB/T 5796.1 Ladder thread - Part 1. Tooth type
Ladder thread - Part 2. Diameter and pitch series GB/T
Ladder thread - Part 3. Basic dimensions
Ladder - type threads - Part 4. Tolerances GB/T 5796.4-2005
Paints and varnishes - Determination of film hardness by pencil method GB/T 6739-2006
GB/T 7760 Determination of bond strength of vulcanized rubber or thermoplastic rubber and hard sheet 90 ° peel method
Paints and varnishes - Tests for paint film GB/T 9286-1998
Metallographic test of nodular cast iron GB/T 9441-2009
GB/T 11211 Determination of bond strength of vulcanized rubber or thermoplastic rubber and metal - Two - plate method GB/T
GB/T 11253 Carbon structural steel Cold rolled steel sheet and strip
GB/T 12220 Industrial Valve Marking
GB/T 12221 metal valve structure length
GB/T 12225 General purpose copper alloy castings - Technical conditions
GB/T 12227 general purpose ductile ductile iron pieces of technical conditions
GB/T 13927 Industrial valves - Pressure test
GB/T 17219 Safety evaluation criteria for drinking water distribution equipment and protective materials
GB/T 17241.6 Integral cast iron flanges
GB/T 17241.7 Technical requirements for cast iron pipe flanges
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