Profile: Quality Controls, Inc. is a distributor of flow control equipment & process instrumentation. Our valve types are butterfly valves, plug valves, ball valves, double rotating disc gate valves, solid wedge gate valves, swing check valves, cushioned check valves, vacuum valves, and knife gate valves. We also provide pressure gauges, vacuum gauges, thermometers, diaphragm seals, deadweight testers, temperature calibrators, thermocouples, differential pressure gauges, manometers and pressure switches. Our process equipment product line includes steam traps, universal connectors, pressure motive pumps, pressure regulators, temperature regulators, resistance temperature detectors, steam ejectors, scrubbers and exhauster.