


Sandvik / Tamrock
884 356 29 Valve, Over Center
DD320-40
| Part Number | 884 356 29 |
| Description | Valve, Over Center |
| Brand | Sandvik (Tamrock) |
| Assembly | HYDR. CYLINDER |
| Type | Drill Rig Spare Part |
Quick answer
884 356 29 (also written 88435629, 884-356-29, or 884.356.29) is a Sandvik valve, over center spare part used in the HYDR. CYLINDER assembly of the Sandvik DD320-40. Verified compatible with 23 Sandvik machine models including AXERA 6-240, AXERA 7-240, AXERA 8-290. 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: 88435629, 884 356 29, 884-356-29.
Compatible machines
23
OEM cross-reference
884 356 29
About Sandvik 884 356 29 Valve, Over Center
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DD320-40. Part of the HYDR. CYLINDER, 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.









