A John Crane mechanical seal from Henry R Ayton for a pharmaceutical customer in Ireland. HRA Ireland supplied this seal from our mechanical seal maintenance centre in Cork. HRA Ireland offer vessel and pump mechanical seals from John Crane and overhaul all manufacturers mechanical seals in our repair centre. John Crane Ireland have manufactured liquid and gas mechanical seals in Shannon for 40 years. Henry R Ayton have been the John Crane partner in Ireland for 90 years.