Hammer Union Seals
Large Inventory, Excellent Quality
Hammer Union Seals are used in hammer union-style pipe connections to establish flow lines and prevent leakage. Hammer Unions are made by Weco, FMC, and Kemper Valve among others and are used in the oil & gas industry, in steel mills, chemical plants, strip mining, and marine dredging.
Global O-Ring and Seal offers Hammer Union Seals in Nitrile (also known as NBR, Buna, or Buna-N) for standard service, as well as Viton® (also known as fluoroelastomer or FKM) for increased temperature and chemical resistance or HNBR for Sour Gas Service or Teflon (PTFE). In addition to the standard molded rubber seals, anti-extrusion rings can be reinforced in brass Hammer Union Seals or stainless steel Hammer Union Seals.
We offer Hammer Union Seals in any of the following varieties:
- 1-6 inch Inside Diameter (ID)
- Nitrile, Viton®, HNBR, and Teflon material
SPEC SHEET: Viton® 90 Durometer – Hammer Union Seal
- All elastomer seals are 85-90 durometer
- May be reinforced with brass or stainless steel anti-extrusion ring