Chesterton’s 27K is a custom manufactured, precision machined stacked set for use in hydraulic applications. Unlike conventional stacked sets, the 27K contacts through the center of each ring to ensure optimum loading and maximum seal performance. 

• Split design eases installation and reduces downtime
• Manufacturing process eliminates tooling cost for new sizes
• Each seal is made size-to-size to ensure maximum performance
• Unique design automatically responds to system pressure
• No re-adjustments are needed after initial installation
• Various materials available for use plant-wide
• Custom spacer available to speed installation

Other designs/profiles include:

• R27K, P27K - rod & piston mounted stacked sets