DH150 Overload Main Pressure Relief Valve Cartridge Anti Rust Custom
Product Details
| Made In: | China | Matching Model: | DH150 Main Circuit Relief Valve |
|---|---|---|---|
| Mounting Form: | Cartridge Insert Installation Inside Main Multi-Way Valve Body | Sample Service: | Single Sample Available |
| Delivery Time: | 1–7 Working Days After Payment | Warranty: | 6 Months Under Continuous Excavator Working Condition |
| Highlight |
DH150 main pressure relief valve,custom main pressure relief valve,custom overload relief valve |
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Product Description
DH150 Main Pump Overload Relief Cartridge Valve Assembly For DH150 DX150
Integrated solid anti-rust alloy steel cartridge body, multi-stage double O-ring anti-leakage sealing structure, fully isolating high-pressure hydraulic oil penetration and metal impurity blockage. The overall surface adopts precision grinding anti-corrosion treatment, adapting to muddy, high-temperature construction site hydraulic environment, eliminating internal leakage and main circuit pressure loss failure. All core components are precision CNC machined domestically, finished with full 360bar ultra-high pressure cycle durability test before delivery.
| Specification | Details |
|---|---|
| Brand | ZVEZDA |
| Applicable Model | Doosan DH150, DX150 Medium Excavator Main Hydraulic Pump |
| Product Type | Full Alloy Steel Hydraulic Main Circuit Overload Relief Cartridge Valve (Auxiliary Valve) |
| Rated Relief Pressure | 280–330 Bar Main System Standard Pressure |
| Instant Peak Bearing Pressure | 360 Bar |
| Sealing Material | Double-Layer HNBR High Pressure Oil Resistant O-Ring |
| Cartridge Material | Anti-Corrosion High Strength Alloy Steel |
| 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 Doosan medium excavators fit ZVEZDA DH150 main relief valve? A: Direct replacement for Doosan DH150 and DX150 medium excavators, standard 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 main relief cartridge to restore standard main circuit pressure and normal digging power. |
| Q3 | Q: Can this main relief valve replace swing relief valve or unloading valve? A: Not interchangeable. This high pressure hydraulic cartridge valve is used for main circuit overload protection; swing relief valve controls slewing dedicated hydraulic pressure, unloading valve adjusts idle medium pressure, different medium, pressure range and working principle. |
| Q4 | Q: Core advantages of ZVEZDA DH150 main relief valve? A: High strength alloy steel anti-wear 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 DH150 main hydraulic overload protection system. |
Product Highlights
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