LOWER PRESSURE SAFETY VALVE or LPSV is an automatic system that relieves the static pressure of a gas. In other words it is a safety valve useful in controlling and limiting the pressure inside reaction vessel. Here pressure is relieved by allowing fluid under pressure from an auxiliary passage out of the system. By diverting fluid out pressure is lowered and after it reaches the resetting value valve gets closed. We UNITED VALVES introduce LOWER PRESSURE SAFETY VALVES which have large demand in Petrochemical, Refining, Petroleum and chemical manufacturing industry.