


Sandvik / Tamrock
551 670 62 DIRECTIONAL VALVE
DD321-40
| Part Number | 551 670 62 |
| Description | DIRECTIONAL VALVE |
| Brand | Sandvik (Tamrock) |
| Assembly | 12 |
| Type | Drill Rig Spare Part |
Quick answer
551 670 62 (also written 55167062, 551-670-62, or 551.670.62) is a Sandvik directional valve spare part used in the 12 assembly of the Sandvik DD321-40. Verified compatible with 8 Sandvik machine models including DD321-40, DD321-40C, DD421-60. 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: 55167062, 551 670 62, 551-670-62.
Compatible machines
8
OEM cross-reference
551 670 62
About Sandvik 551 670 62 DIRECTIONAL VALVE
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DD321-40. Part of the 12, 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 DD321-40 (DD321-40). 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.







