Hammer Union Seals

Hammer Union Seals are used in hammer union-style pipe connections to establish flow lines and prevent leakage. Hammer Unions are used in oil and gas, steel mills, chemical plants, strip mining, and marine dredging.

Swan Seal offers Hammer Union Seals in Nitrile (also known as NBR, Buna, or Buna-N) for standard service, as well as FKM for increased temperature and chemical resistance, HNBR for Sour Gas Service & Teflon (PTFE). In addition to the standard moulded rubber seals, anti-extrusion rings can be reinforced in brass Hammer Union Seals or stainless steel Hammer Union Seals.

We aim to always have 2”, 3” & 4” sizes ex-stock in Aberdeen in NBR 90 & FKM 90.

Contact one of the team today, to discuss your requirements.