Hammer Unions

  • Hammer unions range in size from 1” to 12”
  • Maximum working pressure of 15,000 PSI
  • Complete traceability
  • Manufactured from forged steel
  • STM A - 105 unions > 6,000 PSI
  • AISI 4130 for unions < 6,000 PSI
  • Available with charpy testing

American Block 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.

To ensure customer satisfaction, our Unions come with full trace-ability and are manufactured from the highest quality raw materials. All of American Block flow 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).

ISO 9001