NB/T 11142-2023 Active Industry standards-Energy

NB/T 11142-2023 Ultrahigh pressure hydraulic slotting device in coal mine

NB/T 11142-2023 Ultrahigh pressure hydraulic slotting device in coal mine

Publish Date: 2023-02-06 Implement Date: 2023-08-06 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11142-2023
Standard Type: Industry standards
Standard Status: Active
is_force_gb: no
CCS Name: Health, safety, and labor protection
ICS Name: \nCoal
Publish Date: 2023-02-06
Implement Date: 2023-08-06
Pages: 16 pages

Scope

This document specifies the models, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of the ultra-high pressure hydraulic slitting devices used in coal mines (hereinafter referred to as the device). This document is applicable to ultra-high pressure hydraulic (clean water) slitting devices used in coal mines.

Development Information

Word Count: 23 Thousand words Pages: 16 pages

Referenced Standards

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 12467.4-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 4:Elementary quality requirements GB/T 12467.4-2009 Quality requirements for fusion welding of metallic materials—Part 4:Elementary quality requirements GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB 16754-1997 Safety of machinery—Emergency stop—Principles for design GB/T 16754-2008 Safety of machinery—Emergency stop—Principles for design GB/T 16754-2021 Safety of machinery—Emergency stop function—Principles for design MT 113-1995 Flame and Electrostatic Resistance Test Method and Criteria for Polymer Products Used in Coal Mine Underground Workplaces AQ 1043-2007 Mining Product Safety Mark Identification MT/T 98-2006 Testing specification for hydraulic support hoses and hose assemblies MT/T 188.5-2000 Fluidizing Fluid Pump Station for Coal Mine Safety Valve Technical Specification MT/T 188.2-2000 Mine emulsion pump station emulsion pump GB/T 191-2025 Graphical symbols marking for handling and storage of packages

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