Profile: G.J. Johnson & Sons Ltd offers pipeline valves, and metering systems. Our products are widely used in offshore, marine, water, petrochemical and oil & gas industries. Our electric actuators are designed for quarter turn applications on ball valves, butterfly valves, plug valves and dampers. We offer a full range of safety relief, pressure reducing and overflow valves, which are suitable for boiler, heating, steam, water, oil, process, air and gas applications.