Vein bursting is a common condition. I would recommend that you discuss this with your doctor as it may be a a sign of an underlying disorder that requires treatment. First of all, everyone occasionally experiences veins bursting. This results in an ecchymosis, or a bruise.
Couplings & Flexible Shafts. Couplings are devices used to connect two shafts together and are divided into two categories: Rigid and Flexible. Both are used for the purpose of transmitting power, rigid couplings being more limited in applications as compared to flexible couplings.
Male/Female Adapters: Male/female adapters are designed to join a female. connection directly to another size and/or type of. connection without the need for an additional. coupling. Couplings: Couplings and reducer/adapter couplings accommo-. date female-to-female joining of any combination of. standard size tubing listed.