Main relief, travel, swing, check and pilot valves for CAT, Hitachi, Komatsu, Doosan, Sumitomo, Hyundai and Volvo machines — cataloged by machine model and function, each with its own page.













































| Suffix | Function |
|---|---|
| MAIN GUN | Main relief valve — sets maximum system pressure |
| TRAVEL / WALKING | Travel circuit relief |
| SLEWING / SWING | Swing circuit relief |
| SECONDARY / THROTTLING / FLOW | Secondary relief, throttling and flow-control valves |
| CHECK VALVE / PILOT PUMP | Non-return elements and pilot pressure supply |
Match by machine model and function suffix. Send the old valve's stamped number on WhatsApp for a 1:1 replacement quote.
The catalog shows the models from our print catalog. We supply far more — send the part number or a nameplate photo and get a quote in 12 hours.
WhatsApp: +86 134 5036 5883 Email: [email protected]