323 325 329DC Hydraulic Main Control Valve Assy for Excavator Spare Parts 2398817 2398985 2398986 2597774 259-7777 259-7780 Main Control Valve OEM
Price:
Negotiated price
MOQ:
1PCS
Delivery Time:
1~7 days
Brand:
Belparts
Product Description
323 325 329DC Hydraulic Main Control Valve Assy for Excavator Spare Parts 2398817 2398985 2398986 2597774 259-7777 259-7780 Main Control Valve OEM
323 325 329DC Hydraulic Main Control Valve Assy for Excavator Spare Parts 2398817 2398985 2398986 2597774 259-7777 259-7780 Main Control Valve OEM
Product Overview
The control valve (also known as the main control valve or multi-valve block) is the central hydraulic control component in excavators. It consists of multiple parallel spools that precisely distribute high-pressure oil from the pump to actuators (e.g., hydraulic cylinders, motors) based on operational demands, enabling coordinated machine movements.
Specifications
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Working Principle
- Flow Distribution: Operator joystick or electronic signals shift valve spools, adjusting port openings to control oil flow rate and direction to each actuator.
- Pressure Regulation: Integrated pressure compensators and overload relief valves maintain stable flow under varying loads while preventing pressure spikes.
- Multi-circuit Coordination: Parallel spool design allows simultaneous operation of multiple actuators (e.g., boom lifting + arm retraction), with the system automatically splitting pump flow.
Product Images
| # | Part No. | Description | Qty |
|---|---|---|---|
| All | 2398817 | VALVE GROUP-MAIN CONTROL; -HEAVY LIFT | 1 |
| 1 | 6V6788 | BOLT; (M20X2.5X65-MM) | 4 |
| 2 | 1227708 | VALVE GROUP-PRESSURE CONTROL; -BOOM II, SWING | 1 |
| 3 | 1227753 | SPRING | 1 |
| 4 | 2254823 | VALVE GROUP-RELIEF; -MAIN | 1 |
| 5 | 2398844 | VALVE GROUP-CONTROL; -RH | 1 |
| 6 | 2398845 | VALVE GROUP-CONTROL | 1 |
| 8 | 1P3703 | SEAL - RECTANGULAR (31.86MM ID) | 2 |
| 9 | 2J1826 | SEAL-O-RING (ID=39.27mm) | 1 |
| 11 | 4J5309 | SEAL-O-RING (ID=9.19mm) | 1 |
| 12 | 4J8998 | PACKING,PREFORMED; TUBE ASSEMBLY TO CYLINDER AND TUBE ASSEMBLY TO junction block uoc:bsv,bsx | 2 |
| 13 | 5J2974 | SEAL-O-RING (ID=15.54mm) | 1 |
| 14 | 7Y5219 | SEAL-O-RING (ID=12.37mm) | 6 |
| 15 | 8T4123 | WASHER-PLATED; (22X35X3.5-MM THK) | 4 |
| 16 | 8T4223 | WASHER-HARD; (13.5X25.5X3-MM THK)(BOLT TO SHIELD) | 4 |
| 17 | 8T4648 | BOLT (70mm LONG); (70mm LONG) | 4 |
| ---- | METRIC PART | ||
| ---- | SEPARATE ILLUSTRATION |
Our Advantages
- Strong Part Number Database: If you can provide the right model and part number, we can supply the right product.
- Professional and Experienced Salesperson: Our founder has been in this field for more than 7 years, with rich experiences.
- Strict and Complete Company Rules: We will try our best to meet customer's delivery time. Before delivery, we must verify the part number or pictures of products one by one, to ensure customers receive high-quality and right-quantity goods.
- Good Management System: No matter how big or small the order, as long as customers place the order, we will provide exporting service free of charge.
- Good Service Attitude: If the customer has any questions about the product, we will help solve the problem immediately. As long as customers' requirements are reasonable, we will endeavor to make them satisfied.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
GZ Yuexiang Engineering Machinery Co., Ltd.
Location
429-432, No. 268 Zhongshan Avenue East, Huangpu District, Guangzhou,China
Contact Person
Dongdong Yao