Structure principle

Positive pressure room mainly consists of three parts: air supply unit, control unit, housing. Air supply unit which also contains air supply, filtration, fire three parts, some products will be equipped with the outer lead pipe. The role of the control unit is integrated with the implementation, testing, protection and control of the four functions of the control cabinet to complete. The house is a gas-tight space welded by steel plate, which can effectively guarantee the internal pressure, realize the comfortable operation in the interior and promptly evacuate in the emergency.

Typical Cases

ProductionPacking & DeliveryABOUT YITONGNanyang Yitong Explosion proof Electric Co., Ltd. is an advanced electrical    solution provider for hazardous areas of zone1, zone 2, and zone 20, zone 21, zone 22.   We have wide range explosion proof types of air conditioners, electrical control box, CCTV camera, lamp & light fixtures, electrical equipments, and box & fittings.      Our products and projects occur in various occasions of petroleum, chemical and workshop across the world.We care the most of quality and stability of our products, as well as efficient  communication  and  positive service to our customers and partners.Most products are certified under China national explosion protection standards GB3836 series, which is based on International Electrotechnical Commission (IEC) Standard for Electrical Products used in Explosive  Environments (Ex),  some  products also obtained the EU  standard  certificates  as ATEX,  IEC Ex, CCS ( China explosion proof electric products for Marine environment), MA (for Mine use, China). 

Company run with ISO quality management system as ISO9001, ISO14001, OHSAS18001 and China QS .Nanyang Yitong is the registered supplier of China National Offshore Oil Corporation(COOC), China National Petroleum Corporation(CNPC), China Oilfield Services Limited(COSL), ABB(Switzerland)，Altrad Group(France), Hyundai Engineering Co., Ltd(Korea).etc. We also have solo agent in UAE, Egypt, Russia and Korea.

Exhibitions