防爆

Is the lifting of heavy machinery member of the Association, specializes in double-beam cranes, gantry crane, single-beam cranes, electric hoist, grab, the bridge machine, loading bridge, a track machine, hoist and explosion-proof , Frequency, insulation, electrical, metallurgical casting series of design and manufacture and installation.

正大起重有限公司是中国重型机械协会会员单位，专业从事双梁起重机、门式起重机、单梁起重机、电动葫芦、抓斗、架桥机、装卸桥、过轨机、启闭机及防爆、变频、绝缘、电磁、冶金铸造等系列的设计制造及安装。

According to the requirement of oil drilling foreign and domestic, the international standard for oil equipment and national oil drilling codes. In order to prevent fault which flaming gas or vapour may be present in the air in sufficient quantities to be explosive or ignitable. We designed and made explosion-proof electric controlling equipment for oil field.

根据目前国内外石油钻井装备的要求，以及符合现代化钻井生产的规范化要求，为防止在石油钻井过程中，控制设备产生火花而引起可燃性气体发生爆炸，本公司设计生产了油田钻井液循环罐防爆电气控制系统。

Excellent interference-proof, good thermal drift, explosion-proof enclosure structure, weather-proof

抗干扰能力强，温度稳定性好，防爆壳体结构，可全天候使用。

Characteristic ● high accuracy, good stability ● 2 line working mode, 4～20mA signal output ● sensitive component and circuit board are in solid construction, rigid vibration-proof ● excellent interference-proof, good thermal drift;● explosion-proof enclosure structure, weather-proof ● most outstanding corrosion-proof, ensure best utility reliability ● light construction, simple reasonable, no bracket required, no horizontal mounting required, available mounting at any position on pipeline.

特点● 精度高，稳定性好。●二线制工作方式，4～20mA 信号输出。●敏感部件及线路板是全固体结构，坚固抗振。●抗干扰能力强，温度稳定性好；●防爆壳体结构，可全天候使用。●具有最优良的防腐性能，保证最好的防腐性价比。●结构轻巧，简单合理，无须支架，无须水平安装，可直接任意位置安装管道上。

2 This cable entry is mating to joint box, meter, and other electrical equipments. The specifications and sizes, basic on the requirements of explosion protection performance, can be designed by the customer. Except of special requirements, they are provided as: NPT, M, G,R threaded connections. The specifications for thread are listed in Table 1

6.2 引入装置是为接线箱、仪表及电气设备等配套使用的，其连接规格及尺寸，在保证电气防爆性能指标外，可以耕具需要由用户设计指定，除有特殊要求外一般提供：NPT、M、G、R等各类螺纹连接形式，螺纹规格见表2。

Ex-mark Protection Cable,s outside Inlet,s thread Lamp socket Mass

防爆标志防护等级电缆外径进线口螺纹灯座代号质量kg

Accident prevention;Anaesthesiology;Classes of protection;Classification;Clearances;Colour codes;Definition;Definitions;Dimensions;Earth conductors;Earthing;Electric appliances;Electric mains;Electrical appliances;Electrical engineering;Electrical medical equipment;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Environmental conditions;Equipment;Equipment safety;Explosion protection;Graphic symbols;High frequencies;High frequency surgery;Impact testers;Insulations;Interference rejections;Interferences;Interfering emissions;Leakage paths;Letterings;Lists;Low frequencies;Marking;Measurement;Medical equipment;Medical sciences;Medical technology;Operational instructions;Protection coverings;Qualification tests;Radiation protection;Radiofrequency apparatus;Safety;Safety devices;Safety engineering;Safety requirements;Specification;Strength of materials;Surveys;Symbols;Temperature;Test equipment;Testing;Testing voltages;Transformers

中文主题词事故预防；麻醉学；防护等级；分类；清除；色码；定义；尺寸；接地导线；接地；电气器具；电源；电气设备；电气工程；医用电气设备；电磁兼容性；电医学；静电学；EMC；环境条件；设备；设备安全；防爆；图形符号；高频；高频外科学；冲击试验器；绝缘；干扰抑制；干扰；干扰辐射；漏电路径；文字书写；表；低频；作标记；测量；医疗设备；医学科学；医疗技术学；操作说明；保护覆盖层；合格试验；辐射防护；射频设备；安全；安全装置；安全工程；安全要求；规范；材料强度；调查；符号；温度；试验设备；测试；测试电压；变压器

Accident prevention;Anaesthesiology;Ball compression test;Classes of protection;Classification;Classification systems;Clearances;Colour codes;Design;Determinations;Dictionaries;Dimensions;Earth conductors;Earthing;Electric appliances;Electric contact protection;Electric enclosures;Electric mains;Electric power systems;Electric shocks;Electrical accidents;Electrical appliances;Electrical engineering;Electrical equipment;Electrical medical equipment;Electrical protection equipment;Electrical safety;Electrically-operated devices;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Enclosures;Environmental conditions;Equipment;Equipment safety;Explosion protection;Fire safety;General conditions;Graphic symbols;Hot-mandrel;Impact testers;Inspection;Instructions for use;Insulating enclosures;Insulations;Leakage paths;Letterings;Lists;Marking;Measurement;Mechanical safety;Medical equipment;Medical radiology;Medical sciences;Medical technology;Occupational safety;Operational instructions;Protection coverings;Qualification tests;Radiation protection;Safety;Safety devices;Safety engineering;Safety regulations;Safety requirements;Safety signs;Specification;Strength of materials;Surveys;Symbols;Temperature;Test atmospheres;Test equipment;Testing;Testing conditions;Testing voltages;Transformers

中文主题词事故预防；麻醉学；球压试验；防护等级；分类；分类系统；清除；色码；设计；测定；词典；尺寸；文献；接地导线；接地；电接触保护；电气外壳；电力干线；电力系统；电击；电气事故；电气器具；电气工程；电气设备；医用电气设备；电气保护设备；电气安全；电驱动装置；电磁兼容性；电医学；静电学；外壳；环境条件；设备；设备安全；防爆；防火安全；一般条件；图形符号；热卷筒；冲击试验器；检验；使用说明；绝缘外壳；绝缘；漏电路径；文字书写；表；作标记；测量；机械安全；医疗设备；医学放射学；医学科学；医疗技术学；职业安全；保护覆盖层；合格试验；辐射防护；安全；安全装置；安全工程；安全规则；安全要求；安全标志；规范；材料强度；调查；符号；温度；试验大气环境；试验设备；试验；试验条件；试验电压；变压器

This thesis design a project to to realise the automatic mandril mold stripping system, the operater can control the system in the control room of the explosion-proof in long-range , and the system had already put into practice for half a year.

本文针对该现状开发研制了一套自动化顶芯脱模系统，操作人员可以在防爆的控制室内实现远程实时监控，去年已经投入生产。

Master controller is constructed of shell and explosion-proof components.

主令控制器由外壳和防爆元件等组合而成。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新