The hammer lug union, also known as a “WECO” coupling, hammer lug union or hammer lug adaptor, is used for quick connecting flexibles and pipelines. Available in a variety of options, including threaded API line pipe, butt weld and sour gas service. They are suitable for low pressure, Fig 50 (500psi), right up to Fig 2202, (20,000psi). The unions are manufactured from Forgings and come complete with material certification.