Profile: Gra-Tec manufactures connectos, pipe adapter and quick connect couplers. We offer modular fitting system. We produce We serve auto, food, biomedical, pharmaceutical, instrumentation and beverage industries. Our quick connect couplers are used in instrument and control systems. Our single end shut-off provide a maximum flow tubing connection. Our quick clip couplings are easily isconnected by pressing the quick clip down for instant separation.