1‑4‑70 General No‑OEM‑070 Shut‑off Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The 1‑4‑70 General Shut‑off Valve (Part # No‑OEM‑070) is a hydraulic on‑off control component, used to cut‑off or connect hydraulic oil circuit for engineering machinery hydraulic system protection and component maintenance operations.

• Factory Wholesale Price: $82 – $154 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel valve body, precision‑ground sealing surface, superior pressure‑resistant and sealing performance
• MOQ & Bulk Discount: 1 Unit, favorable offer for large‑volume hydraulic overhaul orders
• Lead Time: 1‑3 working days, adequate stock supports worldwide logistics delivery
• Warranty: 12‑month replacement warranty, sealing and pressure test completed before packing

2. Application Scope

Specially manufactured for engineering machinery hydraulic circuit working scenarios:

• Excavator Hydraulic Repair: Direct replacement for leaking, stuck or malfunctioning original shut‑off valve.
• Hydraulic Circuit Cut‑off Control: Quickly disconnect hydraulic oil flow for equipment overhaul and parts replacement.
• Repair Workshop: Standard installation dimension, easy mounting, stable cut‑off performance.
• Overseas Parts Dealer: Stable supply capacity, complete QC documents support cross‑border spare‑parts resale business.

3. Common Shut‑off Valve Failure Troubleshooting

• Fault 1: Internal and External Oil Leakage
  Cause: Seal ring aging, valve body scratch, hydraulic oil impurity abrasion.
  Solution: Install brand‑new shut‑off valve, clean hydraulic circuit and replace filter element.
• Fault 2: Spool Stuck, Difficult to Switch
  Cause: Dirt and metal particles accumulated inside valve cavity.
  Solution: Replace complete shut‑off valve, flush the whole hydraulic oil passage.
• Fault 3: Cannot Fully Cut‑off Hydraulic Oil Circuit
  Cause: Sealing surface scratch and damage.
  Solution: Fit new shut‑off valve, test oil circuit cut‑off effect after installation.
• Fault 4: Hydraulic Vibration and Abnormal Noise
  Cause: Internal parts wear, hydraulic pressure shock impact.
  Solution: Replace shut‑off valve and check system pressure fluctuation status.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this shut‑off valve fits my machine?
A: Please verify installation dimension, port size and working pressure parameter, send machine information for quick compatibility check.

Q2: What quality tests are performed before shipment?
A: Every shut‑off valve passes sealing test and pressure resistance test to ensure stable hydraulic working performance.

Q3: What precautions should be taken during installation?
A: Keep hydraulic oil clean, avoid impurities entering valve cavity, follow correct fluid direction for installation to prevent oil leakage trouble.