SH Series Travel Relief Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The SH Series Travel Relief Valve is critical pressure‑protection spare part for excavator travel hydraulic circuit. It stabilizes travel circuit working pressure and prevents over‑pressure damage to travel motor and related hydraulic assemblies. Common replacement symptoms include weak walking power, travel jitter, slow travel speed and travel pressure drifting.

• Factory Wholesale Price: $142 – $232 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel valve body, precision spool and spring assembly, stable pressure‑limiting performance, excellent wear‑resistance and sealing performance, long‑term service life
• MOQ & Bulk Discount: 1 Unit, favorable price for large‑volume maintenance orders
• Lead Time: 1‑3 working days, sufficient stock supports worldwide logistics delivery
• Warranty: 12‑month replacement warranty, full hydraulic pressure testing completed before shipment

2. Application Scope

Perfectly matches SH series excavator travel hydraulic system and construction machinery overhaul projects:

• Hydraulic Overhaul: Direct replacement for worn, stuck or damaged original travel relief valve assembly.
• Hydraulic Fault Repair: Fix insufficient walking force, travel jitter and travel pressure drifting failures.
• Repair Workshop: Accurate dimension matching, simple installation, reliable pressure‑limiting performance.
• Overseas Parts Dealer: Stable inventory supply, complete QC records support cross‑border spare‑parts trading.

3. Common Travel Relief Valve Failure Troubleshooting

• Fault 1: Excavator Travel Power Insufficient & Slow Travel Speed
  Cause: Internal spool wear, spring fatigue, dirt trapped inside valve clearance.
  Solution: Install brand‑new SH Series Travel Relief Valve, flush hydraulic circuit and replace hydraulic filter.
• Fault 2: Travel Jitter & Unstable Travel Pressure
  Cause: Valve core abrasion, internal spring performance degradation.
  Solution: Fit SH Series Travel Relief Valve, thoroughly clean the whole hydraulic oil circuit.
• Fault 3: Hydraulic System Overheat & Abnormal Travel Noise
  Cause: Internal component wear, oil passages blocked by hydraulic contamination.
  Solution: Replace complete travel relief valve assembly, check hydraulic oil cleanliness.
• Fault 4: Oil Leakage At Travel Relief Valve Mounting Position
  Cause: Seal ring aging, mating surface scratch damage.
  Solution: Replace full travel relief valve assembly or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this travel relief valve fits my excavator?
A: Please confirm excavator model and installation dimension for fast compatibility verification.

Q2: What quality inspection will be carried out before goods dispatch?
A: Every SH Series Travel Relief Valve goes through strict hydraulic test to guarantee stable pressure‑limiting performance.

Q3: What points need attention while installing travel relief valve?
A: Keep mounting surface and oil ports clean to prevent dirt entering valve interior, test travel power and system pressure after installation.