Doosan Excavator Special Stop Valve 17 Holes Hole‑Center Distance 80 Compatible with Excavator

1. Product Overview & Wholesale Price Range

The Doosan Excavator Special Stop Valve features 17‑hole installation structure with hole‑center distance 80. It is dedicated hydraulic cut‑off control spare‑part for excavator hydraulic pipeline, realizes circuit cut‑off and flow switch function. Common replacement symptoms include oil‑circuit cannot cut off, valve body oil leakage, abnormal pressure and disordered flow control.

• Factory Wholesale Price: $148 – $225 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel valve body, precision‑machined mounting face with 17 holes, hole‑center distance 80, high‑performance sealing assembly, good pressure‑resistance, reliable cut‑off performance and long service life
• MOQ & Bulk Discount: 1 Unit, favorable quotation for large‑volume maintenance orders
• Lead Time: 1‑3 working days, sufficient stock supports worldwide logistics shipment
• Warranty: 12‑month replacement warranty, full sealing and hydraulic pressure testing completed before shipment

2. Application Scope

This Special Stop Valve applies to Doosan excavator hydraulic system maintenance & overhaul scenarios:

• Hydraulic Pipeline Overhaul: Direct replacement for worn, stuck or leaking original special stop‑valve assembly.
• Hydraulic Fault Repair: Solve oil‑circuit cut‑off failure, valve body oil leakage, unstable pressure and flow‑control disorder faults.
• Repair Workshop Usage: Strict 17‑hole dimension, hole‑center distance 80, accurate mounting position, convenient installation, stable cut‑off performance.
• Overseas Parts Reseller: Stable inventory supply, complete QC documents support cross‑border spare‑parts trading.

3. Common Stop Valve Failure Troubleshooting

• Fault 1: Hydraulic Circuit Cannot Be Cut Off
  Cause: Internal spool wear, valve core stuck by hydraulic impurities, internal component abrasion.
  Solution: Install brand‑new Special Stop Valve, flush hydraulic circuit and replace hydraulic filter element.
• Fault 2: Valve Body & Mounting Position Oil Leakage
  Cause: Sealing ring aging, mounting face scratch damage, fastener loose.
  Solution: Fit new Special Stop Valve, check mounting flatness and tighten bolts evenly.
• Fault 3: Abnormal Pressure & Disordered Flow Control
  Cause: Internal parts wear, oil passages contaminated by hydraulic dirt.
  Solution: Replace complete stop‑valve assembly, inspect hydraulic oil cleanliness.
• Fault 4: Switch Inflexible & Valve Operation Stuck
  Cause: Internal spool corrosion, impurity blockage inside valve chamber.
  Solution: Replace full stop‑valve assembly, clean whole hydraulic oil circuit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How to confirm this stop‑valve fits my excavator?
A: Confirm machine model, 17‑hole structure and hole‑center distance 80 dimension for fast compatibility verification.

Q2: What quality inspection will be done before shipment?
A: Every special stop‑valve undergoes professional sealing and hydraulic cut‑off performance testing before delivery.

Q3: What notes for installation operation?
A: Keep mounting surface clean, align 17 mounting holes, tighten bolts diagonally, test cut‑off function after installation.