Ring on August 13, the 21st China fair in Shanghai new international expo center grand opening, the exhibition area of 150000 square meters, are collected 24 countries and regions of the world's 1851 environmental protection enterprises
Fluorine lined plastic anti-corrosion valve in petroleum, chemical industry, medicine, metallurgy, electric power and other industries in contact with acid and alkali and other strong corrosive medium device has been widely used.
On the morning of July 29, ISO 6002 International Standard Seminar on Industrial Valve Bolted Bonnet Steel Gate Valves was held in Yongjia, Zhejiang Province, the home of pumping valves in China.
The highest service temperature of applicable medium for gray iron valve body and bonnet is 250℃;Malleable iron body, valve cover applicable medium maximum service temperature is 300℃
The outer surface of the valve should be painted out of the factory, the paint layer should be durable, beautiful rules, and ensure that the mark is clear.
API Symbol Certification Specification Update, API Std 608 Metal Ball Valves - Flanges, Threads and Welding Ends, 6th Edition was published in January 2020.