It features IP68 waterproofing, stainless steel corrosion resistance, and 4 holes for easy wiring; optional 25km fiber optic output is also offered, making it suitable for Gas Zones 1/2 and Dust Zones 21/22. Consult now for model selection to reduce equipment failures caused by enclosures. Explosion-proof junction boxes have a strong waterproof, dustproof,flameproof, acid and alkali resistant, grease resistant. It is with super-strong sealing performance to ensure the safe use of. Atex Delvalle provides a custom made facility for hazardous area stainless steel Aisi 304L & Aisi 316L Atex and IECEx Certified junction boxes, terminal boxes, large atex enclosures, Empty enclosures,. The Ex junction boxes that we have in stock ready to same day shipping, the full customized. tually any market where ATEX requirements must be met. Rittal's ATEX- and IEC-rated enclosures are available in several key siz s for Zones 1 and 2 or 21 and 22 to 94/9/EC standards. This choice directly impacts the safety, operational efficiency, and regulatory compliance of your facility. Shenhai Explosion-proof Technology Co., Ltd is a national high-tech enterprise founded in 2001, which is located in Yueqing, Zhejiang, the.