Onion Jacks/Seating Jacks

Spares and accessories are available, including: Wedges, Replacement Cylinders and Bolt Sets

Our onion jacks & seating jacks are manufactured in the UK to exacting ISO 9001:2008 standards, and are CE marked.

Onion Jack

  • Creates bulbs/onions on strand
  • 10 ton at 700 bar
  • 13mm or 15mm strand
  • Long life wedges

Seating Jack

  • Seats wedges in monostrand anchors at 230KN
  • 25 ton at 700 bar
  • 13mm or 15mm wedges