Profile: East Bay Mfg., Inc. renders a variety of machining, assembly, EDM and fabrication processes. Our product includes packless valves and luer fittings. Our rubber diaphragm valve withstands deformation caused by trapped impurities while providing tight shut-off even during prolonged closed periods. We market metal diaphragms, which are suitable for instrument air, water, oil, gases, corrosives, refrigerants and other gas & liquid services. Our equipment includes CNC lathes, CNC screw machines, swiss screw machines, surface grinding and welding fabrication assembly.