A valve designed for standard water or gas lines works perfectly when internal pressure exceeds external pressure, because any leak pushes fluid out where a technician can see and fix it. However, a ball valve installed in a vacuum service faces t...
About Me
Taizhou Hongjia Valve Co., Ltd., located in Zhejiang's Yuhuan region, manufactures brass valves, angle valves, faucets, fittings, and PP-R inserts, backed by strong technical capabilities and export rights.
