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JB/T 8145.2-1995 PDF English

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JB/T 8145.2-1995: Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) for Railway Vehicles
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Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
JB/T 8145.2-199570 Add to Cart Auto, 9 seconds. Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) for Railway Vehicles Obsolete

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JB/T 8145.2-1995: Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) for Railway Vehicles


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JBT8145.2-1995
JB MACHINERY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) for Railway Vehicles Issued on: OCTOBER 10, 1995 Implemented on: OCTOBER 10, 1995 Issued by. Ministry of Machine-Building Industry of the People’s Republic of China

Table of Contents

1 Subject content and application scope ... 3 2 Service characteristics ... 3 3 Models ... 3 4 Specifications ... 4 5 Technical requirements... 4 6 Test ... 6 Additional information... 9 Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) For Railway Vehicles

1 Subject content and application scope

This Standard specifies the product types, technical requirements and inspection rules of chlorosulphonated polyethylene insulated cables (wires) for railway vehicles. This Standard applies to chlorosulphonated polyethylene insulated cables (wires) for railway vehicles of rated voltages up to and including 750 V. Besides conforming to the requirements prescribed in this Standard, cables (wires) shall also comply with the provisions of GB 12528.1.

2 Service characteristics

2.1 Rated voltage is 750 V. 2.2 Long-term allowable working temperature of cable. DCH/3 shall not be greater than 70 °C; DCH/3-100 shall not be greater than 100 °C. 2.3 Cables may be used at the occasions where is contaminated by mineral oil and fuel oil. 2.4 Allowable bending radius for cable laying. It shall not be less than 3 D, for outer diameter of cable (D) of 20mm or below; It shall not be less than 5 D, for outer diameter of cable (D) of 20mm or above.

3 Models

Cable models are shown in Table 1. Table 3 DCH/3 and DCH/3-100 copper-core chlorosulphonated polyethylene insulated cables (wires) for railway vehicles of 750 V Nominal Cross-Section of Conductor mm2 Specifications of Conductor Insulated Nominal Thickness mm Upper Limit of Average Outer Diameter mm 0.5 A 1.0 3.4 B 1.0 3.4 0.75 A 1.0 3.8 B 1.0 3.8 1.0 A 1.2 4.4 B 1.2 4.4 1.5 A 1.2 4.7 B 1.2 4.7 2.5 A 1.2 5.2 B 1.2 5.2 4 A 1.2 6.0 B 1.2 6.0 6 A 1.2 7.4 B 1.2 7.4 10 A 1.4 9.0 B 1.4 9.0 16 A 1.4 10.5 B 1.4 10.0 25 A 1.6 12.5 B 1.6 12.5 35 A 1.6 14.0 B 1.6 14.0 Table 3 (Continued) Nominal Cross-Section of Conductor mm2 Specifications of Conductor Insulated Nominal Thickness mm Upper Limit of Average Outer Diameter mm 50 A 1.8 16.5 B 1.8 16.0 70 A 1.8 18.5 B 1.8 18.0 95 A 2.0 20.5 B 2.0 20.5 120 A 2.0 22.5 3.4 Fuel oil resistance test Conforming to the provisions in clause 3 in Table 4 of GB 12528.1 T, S GB 2951.15 and GB 12528.1 Annex B 3.5 Ozone resistance test Conforming to the provisions in clause 4 in Table 4 of GB 12528.1 T, S GB 2951.35 3.6 3.6.1 3.6.2 Low-temperature winding test. Low-temperature winding test for untreated samples. Low-temperature winding test for samples after aging in air tank. Conforming to the provisions in clause 6 in Table 4 of GB 12528.1 T, S GB 2951.12 3.7 3.7.1 Low-temperature tensile test. Low-temperature tensile test for untreated samples. Conforming to the provisions in clause 7 in Table 4 of GB 12528.1 T, S GB 2951.13 Table 4 (Continued) No. Item Name Technical Requirements Test Type Test Method 3.7.2 Low-temperature tensile test for samples after aging in air tank 4.1. 4.2 4.3 Combustion test. Combustion test for untreated samples. Combustion test for samples after treatment of immersion in mineral oil. Combustion test for samples after treatment of immersion in fuel oil. Conforming to the provisions in clause 5.5 of GB 12528.1 T, S Clause 5.4.5 in GB 12528.1 5 Rub resistance test of printing mark Conforming to the provisions in clause 8.1 of GB 12528.1 T, S Clause 8.1.2 in GB 12528.1 Additional information. This Standard was proposed by Ministry of Machine Building and Electronics Industries of the People’s Republic of China and shall be under the jurisdiction of MMBEI Shanghai Electric Cable Research Institute. This Standard is responsibly drafted by MMBEI Shanghai Electric Cable Research Institute, etc. Main drafters of this Standard. Xin Jiming, Sun Zhenghua, Li Xueming, Liu Suilin and Zhang Jinglin. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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