When a safety valve leaks internally, many repairers immediately lap the sealing surfaces. After lapping, the valve passes the bench test but leaks again within three months. Poor lapping technique is not always the reas [2026-04-24]
A safety valve can be perfectly selected and accurately set, but if the discharge piping is wrong, the valve won’t protect anything. Here are three common issues that are often overlooked on site. [2026-04-22]
A safety valve’s spring looks like a simple component, but it is the heart of set pressure control. Over time, springs relax. The valve opens at a lower pressure than intended. This drift is silent, invisible, and dange [2026-04-17]
A safety valve has one job: prevent overpressure. When pressure inside a vessel or pipe exceeds the set point, the valve opens automatically, releases enough fluid or gas, and closes again when pressure drops back to a s [2026-04-14]