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Sandvik / Tamrock
550 112 18b Valve, Directional
DX700
Available — Request Quote| Part Number | 550 112 18b |
| Description | Valve, Directional |
| Brand | Sandvik (Tamrock) |
| Assembly | Valve Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 112 18b (also written 55011218b or 550-112-18b) is a Sandvik valve, directional spare part used in the Valve Assembly assembly of the Sandvik DX700. Verified compatible with 24 Sandvik machine models including DB120, DC120, DC122R. 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: 55011218b, 550 112 18b, 550-112-18b.
Compatible machines
24
OEM cross-reference
550 112 18b
About Sandvik 550 112 18b Valve, Directional
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DX700. Part of the Valve Assembly, 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 DX700 (DX700). 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.

