ODM Cartridge Pressure Main Relief Valve PC200-8 E320B Assembly
Product Details
| Made In: | China | Sample Service: | Single Sample Available |
|---|---|---|---|
| Delivery Time: | 1–7 Working Days After Payment | Origin: | China |
| Brand: | ZVEZDA | Applicable Model: | E320B Medium Excavator Main Hydraulic Pump |
| Highlight |
ODM main relief valve pc200 8,Cartridge main relief valve pc200 8,ODM cartridge pressure relief valve |
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Product Description
E320B Main Pump Overload Relief Cartridge Valve Assembly For E320B
Complete multi-item strict inspection before factory shipment: alloy steel spool wear cycle test, relief pressure precise calibration test, HNBR seal high-pressure oil immersion aging test, thread sealing pressure holding test, excavator main hydraulic system matching test. Each ZVEZDA E320B main relief valve has unified stable relief pressure, fully consistent with OEM cartridge outer diameter, thread pitch and overall length, no modification required during installation. After replacement, excavator digging force is sufficient without stall and power limitation.
| Specification | Details |
|---|---|
| Brand | ZVEZDA |
| Applicable Model | E320B Medium Excavator Main Hydraulic Pump |
| Product Type | Multi-section Full Alloy Steel Hydraulic Main Circuit Overload Relief Cartridge Valve (Main Valve) |
| Rated Relief Pressure | 270–320 Bar Main System Standard Pressure |
| Instant Peak Bearing Pressure | 350 Bar |
| Sealing Material | Double-Layer HNBR High Pressure Oil Resistant O-Ring |
| Cartridge Material | Anti-Corrosion High Strength Alloy Steel Multi-section Body |
| Origin | China |
| Delivery Time | 1–7 Working Days After Payment |
| Warranty | 6 Months Under Continuous Excavator Working Condition |
| Packaging | Neutral Carton Packing, No Brand Logo |
| Supporting Accessories | Complete Cartridge Valve + Spare HNBR Seal O-Rings |
| Sample Service | Single Sample Available With Relief Pressure Stability Test Report |
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| No. | Question & Answer |
|---|---|
| Q1 |
Q: Which medium excavators fit ZVEZDA E320B main relief valve? A: Direct replacement for E320B medium excavators, standard multi-section cartridge size, directly insert into main valve block without modifying valve cavity. In stock, ship within 1–7 working days. |
| Q2 |
Q: Excavator still weak digging and engine stall under heavy load after replacement? A: Fatigued pressure spring leads to drifted relief pressure, replace complete ZVEZDA integrated multi-section main relief cartridge to restore standard main circuit pressure and normal digging power. |
| Q3 |
Q: Can this multi-section main relief valve replace swing relief valve or unloading valve? A: Not interchangeable. This high pressure hydraulic multi-section cartridge valve is used for whole machine main circuit overload protection; swing relief valve only handles swing branch pressure, unloading valve controls idle medium pressure, different medium, pressure range and working principle. |
| Q4 |
Q: Core advantages of ZVEZDA E320B main relief valve? A: High strength alloy steel anti-wear multi-section spool, high fatigue resistant silicon manganese pressure spring, stable fixed relief pressure, double-layer HNBR high pressure anti-leakage sealing, full anti-rust precision ground cartridge body, OEM standard cartridge dimension direct replacement, neutral unbranded packaging, perfectly match E320B main hydraulic overload protection system. |
Product Highlights
E320B Main Pump Overload Relief Cartridge Valve Assembly For E320B Complete multi-item strict inspection before factory shipment: alloy steel spool wear cycle test, relief pressure precise calibration test, HNBR seal high-pressure oil immersion aging test, thread sealing pressure holding test, ...
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