
Sandvik / Tamrock
550 424 26b Valve, Pressure Relief
DT820
| Part Number | 550 424 26b |
| Description | Valve, Pressure Relief |
| Brand | Sandvik (Tamrock) |
| Assembly | Front end module |
| Type | Drill Rig Spare Part |
Quick answer
550 424 26b (also written 55042426b, 550-424-26b, or 550.424.26b) is a Sandvik valve, pressure relief spare part used in the Front end module assembly of the Sandvik DT820. Verified compatible with 5 Sandvik machine models including DL421-7C, DS411-C, DS421. 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: 55042426b, 550 424 26b, 550-424-26b.
Compatible machines
5
OEM cross-reference
550 424 26b
About Sandvik 550 424 26b Valve, Pressure Relief
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DT820. Part of the Front end module, 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.







