Bison manufactures a full line of high quality Hammer Unions. We provide Unions ranging from 1" to 12" and can handle pressures up to 15000 psi CWP ( cold working pressure). Available with line pipe, butt-weld or socket weld connections, our unions are interchangeable with other name brand manufacturers that adhere to industry standards. Bison provide all sour service and H2S service parts as per the latest NACE specifications. Bison also supply material for low temperature applications with all essential suitable impact value testing.
To ensure customer satisfaction, our Unions come with full trace-ability and are manufactured from the highest quality raw materials. All of Bison line products are type approved by Det Norske Veritas. In addition, they meet API 6A and API 16C requirements, as well as NACE-MR-01-75 (sour gas service).
