OLIVER VALVES

Metal valves not being parts of machines, namely, ball valves, needle valves, double block and bleed valves, injection and sampling valves, primary isolation valves, and gauge valves; metal air headers for air distribution comprised of combinations of metal valves not being parts of machines for use in the oil, gas, and petrochemical industries; metal distribution manifolds for gas and liquid distribution comprised of combinations of metal valves not being parts of machines for use in the oil, gas, and petrochemical industries