NB/T 11434.2-2023 Active Industry standards-Energy

NB/T 11434.2-2023 Paste filling in coal mine—Part 2:General technical conditions of pipe valves

Publish Date: 2023-12-28 Implement Date: 2024-06-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11434.2-2023

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Mining

ICS Name: Mining and excavation

Publish Date: 2023-12-28

Implement Date: 2024-06-28

Publisher: 国家能源局

Technical Committee: 中国煤炭工业协会标准化专家组

Pages: 20 pages

Scope

本文件规定了煤矿膏体充填用管阀的结构型式及规格、技术要求、检测方法、检验和判定规则、产品的标志、防护、包装、贮存及维护保养。
本文件适用于煤矿膏体充填用的各类管道阀门。

Development Information

Drafting Units:

山东康格能源科技有限公司、中国矿业大学、枣庄矿业(集团)济宁岱庄煤业有限公司、彬县煤炭有限责任公司、贵州大学、徐州庆捷智能矿山科技有限公司

Drafting Persons:

李秀山、赵庆民、常庆粮、施现院、范建国、苏林、胡建军、王照东、轩召军、徐士鹏、高福勇、吴晓琛、王文林、常显东、毕智强、柳成懋、周贤、潘超、张振、杜长友、井维科、王晓敏、周明、毋东良

Word Count: 23 Thousand words Pages: 20 pages

Same series standard

NB/T 11434.1-2023 Paste filling in coal mine—Part 1:Technical requirements of goaf isolation in fully mechanized mining face NB/T 11434.3-2023 Paste filling in coal mine—Part 3:Effect evaluation method NB/T 11434.5-2023 Paste filling in coal mine—Part 5:Technical requirements for cementitious materials

Referenced Standards

GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 1047-1995 Nominal size for pipe components GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size) GB/T 1047-2019 Pipework components—Definition and selection of nominal size GB/T 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 3032-1989 Marks for marine piping valves and fittings GB/T 3032-2014 Marks for marine piping valves and fittings GB/T 12224-1989 General requirements for industrial steel valves GB/T 12224-2005 General requirements for industrial steel valves GB/T 12224-2015 General requirements for industrial steel valves GB/T 12229-1989 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2005 General purpose industrial valves—Specification of carbon steel castings GB/T 12230-1989 General purpose industrial valves—Specification of austenitic steel castings GB/T 12230-2005 General purpose industrial valves—Specification of stainless steel castings GB/T 12230-2023 General purpose industrial valves—Specification of stainless steel castings GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing JB/T 7248-2008 Low-temperature Steel Casting for Valve Components Technical Specification JB/T 7248-2024 The technical specifications for low-temperature steel castings used in valves JB/T 7248-1994 The technical specification for low-temperature steel castings used in valves GB/T 12229-2025 General purpose industrial valves—Technical specification for carbon steel castings

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