Description

The Press. Relief Valve (OEM 551 506 66) is a premium aftermarket replacement engineered for rock drilling and drifter rigs operating in the most demanding mining and tunnelling environments. It controls and caps system pressure, shielding hydraulic components from overload and keeping rig operation stable and safe.

Made to precise tolerances from hardened, corrosion-resistant materials, it provides accurate, repeatable pressure regulation and reliable sealing in demanding service. As a cost-effective alternative component, it matches the form, fit and function of the original while maintaining high reliability.

Backed by Delkom’s expertise in alternative rock drilling and drifter equipment, this part reflects the quality we export to over 100 countries. Reach out for availability, bulk pricing and technical support.