Intrinsically Safe – Solenoid valves designed solely for use in intrinsically safe and Non-Incendive Field Wiring areas.
本质安全–电磁阀设计只使用本质安全和非易燃的现场布线领域。
3the launching appliance shall be efficiently protected against corrosion and be so constructed as to prevent incendive friction or impact sparking during the launching of the survival craft.