Description

Built around the service demands of rock drilling machinery, the Press. Relief Valve (OEM 551 890 93) provides an aftermarket replacement path for the hydraulic power and control circuit. The component regulates a defined part of the fluid circuit, supporting controlled actuator movement and protection of connected hydraulic elements.

For fleet maintenance, it offers a practical replacement route where dependable fit, serviceability and cost control are important. Precision at the spool, seat or cartridge interface helps preserve hydraulic response and consistent switching as operating pressure changes. Listed compatible equipment includes DX700 and DX800. Verify the exact machine variant before installation or ordering.

This component forms part of Delkom’s alternative spare-parts program for professional drilling machinery. For current stock, commercial terms and technical cross-checking, quote Delkom part number 200 200 217 with OEM reference 551 890 93.