Sandvik / Tamrock
551 544 86 VALVE SECTION
DT921i
| Part Number | 551 544 86 |
| Description | VALVE SECTION |
| Brand | Sandvik (Tamrock) |
| Assembly | Proportional directional valve |
| Type | Drill Rig Spare Part |
Quick answer
551 544 86 (also written 55154486, 551-544-86, or 551.544.86) is a Sandvik valve section spare part used in the Proportional directional valve assembly of the Sandvik DT921i. Verified compatible with 2 Sandvik machine models including DT1330i, DT921i. 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: 55154486, 551 544 86, 551-544-86.
Compatible machines
2
OEM cross-reference
551 544 86
About Sandvik 551 544 86 VALVE SECTION
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DT921i. Part of the Proportional directional valve, 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 DT921i (DT921i). 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.