Asian Industrial Valves & Instruments manufactures Pressure cum Vacuum Relief Valves. Asian Industrial Valves & Instruments is an ISO 9001: 2000 certified company. The Company also manufactures various types of valves and instruments for process industries like chemical, petroleum, refineries, fertilizers, nuclear, atomic, paper, sugar, drugs and pharmaceuticals, steel, chemical and other allied industries. The Pressure cum Vacuum Relief Valves is used for blanketed vessels in which solvents are filled and drawn out at a high flow rate. The Pressure cum Vacuum Relief Valves can also be fitted, on the process vessels to safeguard the process equipment from unpredicted fluctuations of pressure. These Valves have high efficiency, maximum flow capacity and minimum leakage. These Valves are available in closed end hoods type.