500X relief valve pressure relief valve type high-rise building fire when to measure the pressure when the water exceeds the rated pressure relief valve in Dongguan with water, the pressure relief valve opening day wide fire hose, to prevent pipeline and equipment damage due to overpressure, can be used Relief circulatory system use, causing the system to prevent the risk of excessive pressure of the pressure relief valve is widely used for water pipes and drainage, fire protection, power plants and other industries, the pressure fluctuations can be rapid response and quick relief to prevent pressure sharply increased damage to pipes and equipment. pressure relief valve is mainly used for fire or other water systems to prevent system overpressure or maintain fire service pressure. After the fire pump is turned off can also reduce the impact of water hammer. Also used in large-scale water supply systems water hammer eliminating device. And inlet valve control system is equipped with a self-cleaning filter water landscape red tape, the use of fluid properties, so that a larger proportion of larger diameter suspended particles do not enter the control system to ensure unimpeded cycle, the valve can be safely reliably. System is smooth, high strength, long life Tian-Guang PVC lining fire with Fire Hose 8-65-20- polyester yarn / fiber filament - Plastic Co., Ltd. days wider fire inspection agencies: National Fire Equipment Quality Supervision and Inspection Center (Shanghai) Inspection Report Number: Zb201320852 Fire Compulsory Certification Number: 2012081802000233 hose outer layer of polyester yarn, polyester yarn, polypropylene woven silk, lining pvc. High pressure resistance, use, do not leak. Widely used in fire fighting, water or other liquids transportation. A fire hydrant, fire engines, fire pump supporting products; hotels, office buildings, airports, railway stations, warehouses and other places essential fire equipment Da rain fire hose, ultra-fire, Britain and Germany by the Dongguan City, South City water with ultra-safe Fire Department equipment operators offer. Dongguan Nancheng Super Fire Department equipment operators (www.jyfire.com) is Dongguan, fire fighting equipment leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ultra Fire leadership with the staff warmly welcome all inquiries negotiations to create the ultra-Fire a better future.