Compact and lightweight, the KQB2 one-touch fitting uses electroless nickel plated brass components as standard specification. Its maximum operating temperature is 150° C. KQB2 fittings can be used with fluid, and in environments having a large temperature change. Configuration variations have been improved to 17 models. Applicable tube sizes are Ø3.2 to Ø16 and 1/8″ to 1/2″. Series KQB2 is available with M, R, Rc, UNF, NPT or G connection threads.