By the theory of material mechanics, the stress situation of mining flame-proof electrical apparatus enclosure is analyzed, and the method of design is introduced.
运用材料力学原理，对矿用隔爆型电气设备外壳进行受力分析，详细介绍了矿用隔爆外壳的设计方法。
Take several kinds of lifting door structure of explosion-proof electric apparatus switch as example to analyze its strong and weak points and its suitable situation.
文章以隔爆型电器开关的几种提升式开门结构为例，分析其优缺点，以及其各自适用的场合。
The last step the flow coefficient of the checked apparatus is determined, and we print the certification of proof.
最后确定被校表的流量系数，并打印证书。
Shanghai coan ex - proof electrical apparatus techs co. , ltd is a special consulting agency for the certification of ex - proof electrical apparatus at home and abroad.
上海科安防爆电气技术有限公司是一家从事代理国内和国际防爆电气产品认证专业咨询机构。
Widely applied for electric motor, electrical appliance, apparatus, flame-proof electric motor and ship electric motor.
广泛用于电机、电器、仪表，以及防爆电机、船用电机。
Parts including:Protective Clothing, Breathing Apparatus, Fire Retardant Life-Saving Rope, Exposition Proof Lamp, Axe, Helmet, Fire-fighting boots and Belt.
包括：防护服、空气呼吸器、耐炎救生绳、防爆灯、太平斧、安全头盔、消防胶靴、安全腰带各一。
A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.
本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
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