Safety valve is the last ditch of your facility ,machine and pipe line system. When the pressure raise and reach the set pressure, the valve discharge. There’s a greater chance some foreign matter stock between disk and seat and cause insufficient which cause leakage. That means the valve have served its purpose to protect your facility, it’s not just about the lifespans. The safety valve is the consumables product, please kindly understand. If you need repairment, please send it back to us for the reparation.