303 303.5 304 Hydraulic Control Valve Assy for Excavator Spare Parts 298-2877 2982877 Distributor OEM
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
303 303.5 304 Hydraulic Control Valve Assy for Excavator Spare Parts 298-2877 2982877 Distributor OEM
303 303.5 304 Hydraulic Control Valve Assy for Excavator Spare Parts 298-2877 2982877 Distributor 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 | 2982877 | VALVE GROUP-MAIN CONTROL; (MAIN CONTROL VALVE) | 1 |
| 1 | 0964544 | PIN-SPRING | 2 |
| 2 | 1269993 | SCREW-RIVET | 2 |
| 3 | 1360150 | SHIM; (0.1-MM THK) | 2 |
| 4 | 1360151 | SHIM; (0.2-MM THK) | 2 |
| 5 | 1360149 | BOOT | 1 |
| 6 | 1360146 | PEDAL | 1 |
| 7 | 1360157 | WASHER; (8.4X15.5X1.6-MM THK) | 2 |
| 8 | 1360155 | SETSCREW; (M4X0.7X8-MM) | 1 |
| 9 | 1360147 | PIN | 1 |
| 10 | 1360140 | PUSHROD | 2 |
| 11 | 0951512 | SEAL-O-RING (ID=7.80mm) | 2 |
| 12 | 6V8202 | BOLT-SOCKET HEAD; (M8X1.25X16-MM) | 2 |
| 13 | 1360143 | COVER | 1 |
| 14 | 1360152 | SEAL-O-RING (ID=15.50mm) | 2 |
| 15 | 1379114 | SEAT-SPRING | 2 |
| 16 | 1360148 | SPRING | 2 |
| 17 | 1360141 | SPRING | 2 |
| 18 | 1360156 | WASHER; (4.3X0.8X0.8-MM THK) | 2 |
| 19 | 1360145 | SHIM; (0.1-MM THK) | 6 |
| 20 | 1020818 | PLUG | 1 |
| 21 | 3J1907 | SEAL VALVE ASSEMBLY TO; SEAL- TUBE ASSEMBLY TO LOGIC VALVE | 1 |
| 22 | 1859075 | BODY AS | 1 |
| ---- | METRIC PART |
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.
SK60C
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Company
GZ Yuexiang Engineering Machinery Co., Ltd.
Location
429-432, No. 268 Zhongshan Avenue East, Huangpu District, Guangzhou,China
Contact Person
Dongdong Yao