摘要
介绍一种符合美国NFPA496标准的简单可靠的正压通风装置。对其正压通风系统的基本组成、工作原理、技术参数和操作要点等进行了讨论。作为一种可靠的正压通风装置 ,此结构正逐渐应用于石油。
A sort of simple and reliable Ex p device is introduced in this text, which is met with American NFPA496. In this article, the ultimate composition, principle, technical parameter of the device and operation and other aspects linked to the device are described clearly. As a reliable Ex p device, it gradual-widely uses in the equipments which requested on continuous operation in their rɑnningin petroleum and chemical engineering.
出处
《电气防爆》
2003年第2期32-33,共2页
Electric Explosion Protection
