Quick Connect / Release Coupling is useful for pneumatic / hydraulic applications, where pressures can reach up to 5000 psi. Air Grip Group of Companies, an ISO 9001:2000 recognised company supplies Quick Connect / Release Coupling. Air Grip Group of Companies is the manufacturer of metal Components like electrical wiring accessories, tube, pipe & sanitary fittings, connectors forged parts, precision turned components and moulding inserts. The Quick Connect / Release Coupling provides speedy engagement and disengagement and comes with male and female threads.