


Sandvik / Tamrock
550 836 52 NEEDLE VALVE
DD320-40
| Part Number | 550 836 52 |
| Description | NEEDLE VALVE |
| Brand | Sandvik (Tamrock) |
| Assembly | DIRECTIONAL VALVE |
| Type | Drill Rig Spare Part |
Quick answer
550 836 52 (also written 55083652, 550-836-52, or 550.836.52) is a Sandvik needle valve spare part used in the DIRECTIONAL VALVE assembly of the Sandvik DD320-40. Verified compatible with 4 Sandvik machine models including AXERA 8-290, DD320-40, DT820. 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: 55083652, 550 836 52, 550-836-52.
Compatible machines
4
OEM cross-reference
550 836 52
About Sandvik 550 836 52 NEEDLE VALVE
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DD320-40. Part of the 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 DD320-40 (DD320-40). 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.









