Description

Built for demanding maintenance cycles on mining and tunneling equipment, the Selenoid Valve (OEM 550 770 74) is a dependable aftermarket spare part for the hydraulic power and control circuit. By managing pressure or flow at the required point in the circuit, it helps the machine maintain predictable hydraulic response during operation.

Controlled internal clearances, sealing surfaces and flow passages are important for predictable response and reduced internal leakage across repeated pressure cycles. Compatibility records include BOLTEC MC and BOLTEC MD. For best results, check the part reference together with the machine model and serial data. For fleet maintenance, it offers a practical replacement route where dependable fit, serviceability and cost control are important.

Delkom supplies alternative spare parts for rock drilling equipment to maintenance teams across international mining and tunneling markets. When requesting stock status, technical support or a quotation, provide Delkom part number 200 200 176 together with OEM reference 550 770 74.