Sandvik / Tamrock
551 877 55 Overcenter valve
DL431-7C
Available — Request Quote| Part Number | 551 877 55 |
| Description | Overcenter valve |
| Brand | Sandvik (Tamrock) |
| Assembly | Valve block |
| Type | Drill Rig Spare Part |
Quick answer
551 877 55 (also written 55187755 or 551-877-55) is a Sandvik overcenter valve spare part used in the Valve block assembly of the Sandvik DL431-7C. Verified compatible with 3 Sandvik machine models including DL310-7, DL421-7C, DL431-7C. 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: 55187755, 551 877 55, 551-877-55.
Compatible machines
3
OEM cross-reference
551 877 55
About Sandvik 551 877 55 Overcenter valve
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DL431-7C. Part of the Valve block, 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 DL431-7C (DL431-7C). 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.