loop

loop, Total:37 items.

The international standard classification for "loop" includes: Fluid power systems in general , Industrial process measurement and control , Other standards related to nuclear energy , Acoustics and acoustic measurements , Electrical engineering in general , Agricultural machines and equipment in general , Solar energy engineering , Cables , Ground service and maintenance equipment .

The Chinese standard classification for "loop" includes: Hydraulic and pneumatic device , Industrial automation and control device in general , Electric power testing technique , Electroacoustic device , Electrical construction installation engineering , Electrical product mechanical structure , Farming and foresting machinery and tools , Solar energy , Cable and its accessory , AGS system and equipment .

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Professional Standard - Petrochemical Industry

• SHB-Z05-1995 Instrument loop diagram

国家市场监督管理总局、中国国家标准化管理委员会

• GB/T 786.2-2018 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 2:Circuit diagrams
• GB/T 786.3-2021 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 3: Symbol modules and connected symbols in circuit diagrams

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 7266-1987 Basic dimensions of electrical console for secondary circuit of power system
• GB/T 28548-2012 Guideline of nuclear power plant primary circuit hydraulic tests
• GB/T 26971-2011 Test methods for remote-storage double-loop domestic solar water heating systems
• GB/T 25399-2010 Tractors and machinery for agriculture and forestry—Hydraulic coupling—Braking circuit
• GB/T 26970-2011 Specification for remote-storage double-loop domestic solar water heating systems
• GB/T 25921-2010 Electrical and instrumentation loop check
• GB/T 50976-2014 Code for Installation and Acceptance of Protection Equipment and Secondary Circuit in Infrastructure Project
• GB/T 11454-1989 Magnetic field strength in audio-frequency induction loops for hearing aid purposes
• GB/T 9332-2008 Electrical installations in ships - Cables for control and instrumentation circuits 150/250V (300V)

Professional Standard - Electricity

• DL/T 1143-2009 Supervision guide for PWR nuclear power plant primary loop components
• DL/T 2030-2019 Reliability evaluation code for circuit of transmission and transformation

Professional Standard - Energy

• NB/T 25107-2020 Guidelines for flushing of secondary circuit system in nuclear power plant
• NB/T 20221-2013 Corrosion Examination for Secondary Circuit Thermal Power Equipment of PWR Nuclear Power Plants

Military Standard of the People's Republic of China-General Armament Department

• GJB 9232-2017 Test method for valves in primary circuit system of submarine nuclear power plant
• GJB 9689-2020 General requirements for nuclear submarine integrated secondary loop systems

中国民用航空局

• MH/T 6049-2020 Underground electrical cable for airport lighting circuits

Professional Standard - Civil Aviation

• MH/T 6049-2008 Underground Electrical Cable for Airport Lighting Circuits

国家能源局

• NB/T 10191-2019 Compilation method for protective relay optical fiber loop marking

Professional Standard - Aerospace

• QJ 1802-1989 Specification for flight test of surface-to-air missile in closed loop state
• QJ 1801-1989 Specifications for ground-to-air missile independent loop state flight test

National Metrological Verification Regulations of the People's Republic of China

• JJG 1052-2009 Verification Regulation of Loop Resistance Tester and DC Resistance Meters

Professional Standard - Nuclear Industry

• EJ/T 747-1992 Guidelines for chemical decontamination of primary circuit systems and equipment in pressurized water reactor nuclear power plants
• EJ/T 20014-2012 Design Requirements for Irradiation Test Circuit of Water-cooled Reactor Fuel Assembly

Group Standards of the People's Republic of China

• T/CNS 44-2020 Design criteria for the primary circuit pressure vessels of high temperature gas-cooled reactor nuclear power plant

CZ-CSN

• CSN 13 7530-1989 Condensing loops PN 250

Instrument Society of America (ISA)

• ISA 5.4-1991 Instrument Loop Diagrams

U.S. Military Regulations and Norms

• ARMY MIL-DTL-44033 B-1995 LINES, MULTI-LOOP, CONCENTRIC
• ARMY MIL-DTL-44033 B VALID NOTICE 1-2002 LINES, MULTI-LOOP, CONCENTRIC

Electronic Components, Assemblies and Materials Association

• ECA 417-A-1991 Crystal Outlines

Spanish Association for Standardization (UNE)

• UNE 21-302 Pt.131-A-1990 Glossary of electric power technology. Electromagnetic circuit. Section 4: Loops and polyphase components

German Institute for Standardization

• DIN 74000:1992 Hydraulic braking systems; dual circuit brake systems; symbols for brake circuits diagrams

Japanese Industrial Standards Committee (JISC)

• JIS B 8379:1995 Pneumatic circuit -- Silencers

Society of Automotive Engineers (SAE)

• SAE J1128-2005 Low Voltage Primary Cable

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

• ASHRAE 4777-2005 Modified RC Thermal Circuit Model Applied to Cold Storage System with Multi-Loop Heat Pipes

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