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GB/T 12972.3-2008 English PDF

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Q: Should I purchase the latest version GB/T 12972.3-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12972.3-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12972.3-2008: Flexible rubber-sheathed cables for mining purposes -- Part 3: Trailing coal cutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV
Status: Valid

GB/T 12972.3: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12972.3-2008	329	Add to Cart	3 days	Flexible rubber-sheathed cables for mining purposes -- Part 3: Trailing coal cutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV	Valid
GB 12972.3-1991	319	Add to Cart	3 days	Flexible rubber-sheathed cables for mining purposes--Part 3: Trailing coalcutter cables with monitoring core and semiconducting screens for rated voltage of 0. 66/1. 14kV	Obsolete

Similar standards

GB/T 12706.3 GB/T 12706.1 GB/T 12706.4 GB/T 12972.2 GB/T 12972.4 GB/T 12972.1

Basic data

Standard ID: GB/T 12972.3-2008 (GB/T12972.3-2008)
Description (Translated English): Flexible rubber-sheathed cables for mining purposes -- Part 3: Trailing coal cutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K13
Classification of International Standard: 29.060.20
Word Count Estimation: 14,128
Date of Issue: 2008-06-30
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB 12972.3-1991
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
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 rated voltage enhanced surveillance 0. 66/1. 14kV Shearer shielded flexible cable product variety, technical requirements, test methods and inspection rules. This section applies to the rated voltage 0. 66/1. 14kV shearers and similar equipment copper rubber insulated rubber sheathed flexible cables shielded enhanced surveillance. This part should GB/T 12972. 1-2008 shared use.

GB/T 12972.3-2008: Flexible rubber-sheathed cables for mining purposes -- Part 3: Trailing coal cutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV

---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.
Flexible rubber-sheathed cables for mining purposes Part 3. Trailing coalcutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV ICS 29.060.20 K13 National Standards of People's Republic of China Replacing GB 12972.3-1991 Mining rubber flexible cable Part 3. Rated voltage 0.66/1.14 k Vp Shearer shielded monitor enhanced flexible cables Posted 2009-04-01 2008-06-30 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12972 "mining rubber flexible cable" is divided into 10 parts. --- Part 1. General requirements; --- Part 2. Rated voltage 1.9/3.3kV and below Shearer flexible cables; --- Part 3. rated voltage of 0.66/1.14kV Shearer shielded monitor enhanced flexible cables; --- Part 4. Rated voltage 1.9/3.3kV and below Shearer metal shield soft cable; --- Part 5. rated voltage of 0.66/1.14kV and following mobile rubber soft cable; --- Part 6. Rated voltage 6/10kV and below the metal shield Flexible cables with monitoring; --- Part 7. rated voltage 6/10kV and below shielded rubber-sheathed cables; --- Part 8. Rated voltage 0.3/0.5kV drill cables; --- Part 9. Rated voltage 0.3/0.5kV light mine mobile rubber soft cable; --- Part 10. Miner 's cap lamp cords. This section GB/T 12972 Part 3. The partial replacement of generations GB 12972.3-1991 "mining rubber-sheathed cables - Part 3. Rated voltage 0.66/1.14kV Shearer Enhanced surveillance shielded flexible cable. " This section compared with GB 12972.3-1991, the main changes are as follows. --- Increase insulated power core and control core 20 ℃ when the insulation resistance value (edition 7.1); --- Cable burning test by the GB/T 18380.1 "cables under fire conditions test - Part 1. single insulated wire or Cable vertical burning test method "to replace the original GB 12666.2" single wire or cable vertical burning test method "(1991 edition Table 3; edition 7.3); --- Remove the reinforcing layer density calculation (1991 edition Appendix C) cover. This section of the Appendix A, Appendix B, Appendix C, Appendix D and Appendix E are normative appendix. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee Wire and Cable (SAC/TC213) centralized. This part of the unit responsible for drafting. Shanghai Electric Cable Research Institute. Participated in the drafting of this section. Fushun Branch of Coal Science Research Institute, Shanghai Shenghua Cable Group Co., Ltd., Shandong Yankuang Group length Long Cable Manufacturing Co., Ltd., Shandong Luneng Taishan Cable Co., Ltd. Qufu specialty, Jiangsu Coal Cable Group Limited. The main drafters of this section. Tangjia Zi, Qu Bo, Fu Bao Chan, Hu Jianguo, Li Xingjiang, Xiaodong, Liu Wensheng. This part of the standard replaces the previous editions are. --- GB 1170-1974; --- GB 12972.3-1991. Mining rubber flexible cable Part 3. Rated voltage 0.66/1.14 k Vp Shearer shielded monitor enhanced flexible cables

1 Scope

This section GB/T 12972 specifies the rated voltage of 0.66/1.14kV Shearer shielded monitor enhanced flexible cable product variety, technology Operation requirements, test methods and inspection rules. This section applies to the rated voltage of 0.66/1.14kV Shearer and similar equipment shielded copper core rubber insulated rubber sheath strengthen surveillance Type flexible cable. This section should be GB/T 12972.1-2008 common use.

2 Normative references

The following documents contain provisions which, through reference GB/T 12972 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2951.11-2008 and optical cables - Common test methods for insulating and sheathing materials Part 11. General test method --- --- Measurement of thickness and overall dimensions of mechanical tests (IEC 60811-1-1.2001, IDT) GB/T 2951.12-2008 and optical cables - Common test methods for insulating and sheathing materials Part 12. General test method --- Thermal aging methods (IEC 60811-1-2. 1985, IDT) GB/T 2951.21-2008 cable and the cable Common test methods for insulating and sheathing materials - Part 21. elastomeric compounds designed Test method for ozone resistance test --- --- --- Hot set test - Mineral oil immersion tests (IEC 60811-2-1.2001, IDT) GB/T 3048.4-2007 cable Cable electrical performance test methods - Part 4. Conductor DC resistance test GB/T 3048.5-2007 cable Cable electrical performance test methods - Part 5. Insulation resistance test GB/T 3048.8-2007 electrical wire and cable performance test methods - Part 8. AC voltage test (IEC 60060-1. 1989, NEQ) GB/T 4909.2-1985 Test methods for bare wires sizing (neqIEC 60251. 1978) GB/T 6995.1-2008 wire and cable identification methods - Part 1. General requirements GB/T 7594.10-1987 rubber wire and cable insulation and jacketing - Part 10. 90 ℃ generally heavy retardant rubber sheath (neq IEC 60245) Rubber-sheathed cables - Part 1 GB/T 12972.1-2008 mine. General Provisions GB/T 18380.1-2001 cables under fire conditions test - Part 1. single insulated wire or cable vertical burning Burn test method (idt IEC 60332-1.1993)

3 Use Characteristics

3.1 Rated voltage U0/U of 0.66/1.14kV. 3.2 cable conductor long-term allowable working temperature of 90 ℃. 3.3 cable minimum bend radius is 15 times the cable diameter. 3.4 cable can not long-term exposure to sunlight. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12972.3-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12972.3-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12972.3-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12972.3-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 12972.3-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12972.3-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.