


Sandvik / Tamrock
802 437 29 O-RING
RANGER 700-2
Available — Request Quote| Part Number | 802 437 29 |
| Description | O-RING |
| Brand | Sandvik (Tamrock) |
| Assembly | DUAL RELIEF VALVE ASSY |
| Type | Drill Rig Spare Part |
Quick answer
802 437 29 (also written 80243729 or 802-437-29) is a Sandvik o-ring spare part used in the DUAL RELIEF VALVE ASSY assembly of the Sandvik RANGER 700-2. Verified compatible with 16 Sandvik machine models including CHA560, CHA700, LİNER 100. 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: 80243729, 802 437 29, 802-437-29.
Compatible machines
16
OEM cross-reference
802 437 29
About Sandvik 802 437 29 O-RING
A precision-molded sealing element for the Sandvik RANGER 700-2, this O-ring is used in the DUAL RELIEF VALVE ASSY to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
This is an OEM-compatible aftermarket replacement part for the Sandvik RANGER 700-2 (RANGER 700-2). 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 do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.


