60357921 Bypass relief valve SANY SY1350C1C3KH Tracked hydraulic excavator spare parts

Short Description:

60357921 Bypass Relief Valve is protective component of main hydraulic system for Sany SY1350C1C3KH large excavator. It controls maximum working pressure of system, opens for overflow and pressure relief under overload condition and realizes bypass unloading, protecting hydraulic parts such as pumps, motors and cylinders from high‑pressure impact. Assembly replacement is required when pressure‑regulating failure, continuous overflow, spool sticking or insufficient pressure build‑up occurs, to avoid machine faults such as pressure‑holding and weak movements.

Send email to us

Product Detail

Product Tags

description

Part number:60357921
Part name:Bypass relief valve
Unit name:150602080013A Electrically controlled multi-way valve
Applicable Models: SANY SY1350C1C3KH Tracked hydraulic excavator

Compatible with Sany Excavator SY1350C1C3KH. Suitable for working conditions including open‑pit mine ore excavation, earth‑rock stripping, continuous heavy‑load loading and high‑duty digging. Applied when system pressure cannot reach standard, whole‑machine movements are weak, continuous overflow & overheating occur or during main valve block overhaul disassembly. Fit for original spare‑part replacement, open‑pit‑mine project maintenance in Middle East and Southeast Asia, main hydraulic system overhaul for SY1350C1C3KH excavator.

*Due to the wide variety of products, the pictures displayed may not match the actual ones, and the part numbers are mainly used.

Item No./Factory drawing number/Part Name/Remark

22 60100467 Blocked
23 150602080013A022 Main relief valve
24 60357921 Bypass relief valve
25 150601080045A012 Bypass relief valve
26 60075542 (Traffic jam)
27 60202293 O-ring
28 60357900 Valve cover
29 60357915 Check valve
30 60357917 Spring
31 60075591 Spring
32 60075548 Check valve
33 60271306 Bucket regeneration shut-off valve
34 60292571 Locking Valve
35 60357902 Holding Valve
60 60221657 O-ring

====================================================

advantages

Precisely‑matched spool and valve sleeve deliver sensitive overflow response and fast pressure relief under overload to effectively protect downstream hydraulic components
Good contamination‑resistance adapts to minor impurities in mine‑site hydraulic oil and reduce spool‑sticking failure risk
Mounting holes and oil‑port flow channel fully match OEM valve block for direct embedded installation without valve‑block body modification
Stable pressure‑regulating spring with accurate system‑pressure setting, reduce excessive oil temperature and power loss caused by invalid overflow.

FAQ

Q: Can sticking bypass relief valve keep working after spool cleaning?
A: If valve sleeve is worn, cleaning only brings temporary improvement and fault is easy to recur under mine heavy‑load condition. Complete‑assembly replacement is recommended.
Q: What should be checked firstly if system pressure is still low after new valve installation?
A: Inspect main‑pump wear, pipeline internal leakage and other overflow components first. Rule out peripheral faults before judging valve‑body defect.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.