


Sandvik / Tamrock
550 888 17 DIRECTIONAL VALVE
DT820
| Part Number | 550 888 17 |
| Description | DIRECTIONAL VALVE |
| Brand | Sandvik (Tamrock) |
| Assembly | CONTROL OF HYDRAULIC JACK |
| Type | Drill Rig Spare Part |
Quick answer
550 888 17 (also written 55088817, 550-888-17, or 550.888.17) is a Sandvik directional valve spare part used in the CONTROL OF HYDRAULIC JACK assembly of the Sandvik DT820. Verified compatible with 3 Sandvik machine models including AXERA 8-290, DT820, DT820-SC. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55088817, 550 888 17, 550-888-17.
Compatible machines
3
OEM cross-reference
550 888 17
About Sandvik 550 888 17 DIRECTIONAL VALVE
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DT820. Part of the CONTROL OF HYDRAULIC JACK, it ensures precise regulation of drilling parameters including feed force, percussion frequency, and rotation speed.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT820 (DT820). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.






