BK DRILLING
777 900 81 Valve assembly
Part Photo
77790081 777 900 81 Valve assembly - Sandvik Technical Drawing
Technical Drawing
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Sandvik / Tamrock

777 900 81 Valve assembly

DD320-40

Available — Request Quote
Part Number777 900 81
DescriptionValve assembly
BrandSandvik (Tamrock)
AssemblyHYDRAULIC MOTOR
TypeDrill Rig Spare Part

Compatibility

Machine Models

Quick answer

777 900 81 (also written 77790081 or 777-900-81) is a Sandvik valve assembly spare part used in the HYDRAULIC MOTOR assembly of the Sandvik DD320-40. Verified compatible with 3 Sandvik machine models including DD320-40, DD320S, DL321-7. 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: 77790081, 777 900 81, 777-900-81.

Compatible machines

3

OEM cross-reference

777 900 81

About Sandvik 777 900 81 Valve assembly

This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DD320-40. Part of the HYDRAULIC MOTOR, 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.