GB/T 26478-2011 English PDF

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GB/T 26478-2011: Globe valves for ammonia and lift check valves
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26478-2011	349	Add to Cart	3 days	Globe valves for ammonia and lift check valves	Valid

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Basic data

Standard ID: GB/T 26478-2011 (GB/T26478-2011)
Description (Translated English): Globe valves for ammonia and lift check valves
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J16
Classification of International Standard: 23.060.50
Word Count Estimation: 15,171
Date of Issue: 2011-05-12
Date of Implementation: 2011-10-01
Quoted Standard: GB/T 196; GB/T 197; GB/T 228; GB/T 1220; GB/T 5796.1; GB/T 5796.2; GB/T 5796.3; GB/T 5796.4; GB/T 9113.1; GB/T 9113.2; GB/T 9113.3; GB/T 9113.4; GB/T 12220; GB/T 12221; GB/T 12224; GB/T 12226; GB/T 12227; GB/T 12228; GB/T 12229; GB/T 12233; GB/T 12235; GB/T 12459; HG/T 20592; JB/T 106; JB/T 5300; JB/T 7248; JB/T 8859; JB/T 9092
Regulation (derived from): Announcement of Newly Approved National Standards No. 6 of 2011
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 nitrogen with globe valves and lift check valve structure, technical requirements, materials, test methods, inspection rules, marking, painting, packaging and storage. This standard applies to nominal pressure PN10 ~ PN40, nominal size not greater than DN300, suitable temperature -46��C ~ 150��C, using the medium for ammonia, nitrogen, water and ammonia, end connections in the form of thread, weld and flanged connections cut-off valves and lift check valves (hereinafter referred to as cut-off valve, check valve).

GB/T 26478-2011: Globe valves for ammonia and lift check valves

---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.
Globe valves for ammonia and lift check valves ICS 23.060.50 J16 National Standards of People's Republic of China Ammonia globe valves and lift check valve Issued on. 2011-05-12 2011-10-01 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 structure 1 4 3 Technical requirements 4.1 length of the structure 3 4.2 connection terminal 4 Body 4 4.3 4.4 valve cover 4 4.5 valve and seat 5 4.6 Stem 5 4.7 packing and stuffing box 5 4.8 handwheel and Operation 5 4.9 valve performance 6 5 Material 6 5.1 General requirements 6 5.2 Body and bonnet 6 5.3 valve 7 5.4 Stem 7 5.5 body and bonnet bolts 7 5.6 body and bonnet connection pad 7 5.7 filler 7 5.8 handwheel 7 6 Test methods 7 6.1 Pressure Test 7 6.2 Body wall thickness measurement 7 Stem diameter measuring 6.3 7 6.4 Material Analysis 7 6.5 Body material mechanical properties 8 6.6 static life test 8 6.7 8 valve check mark Check the contents of the nameplate 6.8 8 7 Inspection rules 8 7.1 Test Project 8 7.2 factory inspection 8 7.3 Type inspection 8 7.4 Sampling Method 9 8 mark 9 Content 8.1 marks 9 8.2 mark on the valve body 9 8.3 mark on the nameplate 9 9 painting, packaging and storage 10

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. 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, SOUTH Jiaozuo ammonia valve Co., Ltd., Shanghai revitalization refrigeration valve factory. The main drafters of this standard. Huang Minya, Tian Xi battle, Wen Guoxu, Wang Xiaojun, Qian Jian, Liu Xiaochun, Ma Haisong. Ammonia globe valves and lift check valve

1 Scope

This standard specifies the structure of ammonia in the form of cut-off valve and lift check valves, technical requirements, materials, test methods, inspection rules, marks, Painting, packaging and storage. This standard applies to nominal pressure PN10 ~ PN40, nominal size no greater than DN300, suitable for a temperature of -46 ℃ ~ 150 ℃, so With medium ammonia gas, ammonia, and ammonia, in the form of a threaded end connections, cut-off valve and lift check valves and welded flange connection (hereinafter referred to as Closing valves, check valves). Ammonia throttle may refer to this standard.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 196 common thread basic size GB/T 197 common thread tolerance GB/T 228 metal materials at room temperature tensile test method GB/T 1220 stainless steel rods GB/T 5796 (all parts) trapezoidal thread GB/T 9113 (all parts) Integral steel pipe flanges GB/T 12220 Universal Valve logo GB/T 12221 metal valve structure length GB/T 12224 General requirements for steel valves GB/T 12226 General Valve gray iron castings GB/T 12227 General Valve iron castings GB/T 12228 Universal valves carbon steel forgings GB/T 12229 Universal valves carbon steel castings GB/T 12233 iron globe valves and lift check valves GB/T 12235 Petroleum, petrochemical and allied industries steel globe valves and lift check valves GB/T 12459 steel welded seamless pipe fittings HG/T 20592 steel pipe flanges (PN series) JB/T 106 valves and painted signs JB/T 5300 industrial valves material selection guidelines JB/T 7248 valve cryogenic steel castings JB/T 8859 cut-off valve static life test procedures Inspection and testing JB/T 9092 valve

3 structure

In the form of typical structure 3.1 straight-off valve shown in Figure 1. ......

Image     

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