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The XCMG original XE2000 high-pressure check valve (part number: 804009895) is precision-cast from special alloy steel, with a pressure resistance rating of 70MPa, and is specifically designed for hydraulic systems in mining equipment. It has passed both ISO 4413 and CE certifications, boasts a lifespan exceeding 1 million cycles, and offers a 60% faster response time compared to ordinary check valves, completely eliminating safety hazards such as hydraulic oil backflow and system pressure loss.
🛡️ Military-Grade Structural Design
• Valve body made of 42CrMo alloy steel (tensile strength ≥1200MPa)
• Tungsten carbide coating on valve core surface (hardness HV1200)
• Seamless, integral forged structure
⚡ Intelligent Control Performance
• Zero-leakage conical seal (patent number ZL2023XXXXXX)
• Response time <8ms (industry average 15ms)
• Integrated pressure fluctuation compensator
🔧 Extreme Condition Verification
• -40℃ low-temperature opening and closing test (5000 cycles without jamming)
• Water hammer impact test (peak pressure 90MPa)
• 5000-hour salt spray corrosion test
🔄 Long-Lasting Sealing System
• Three-stage sealing structure (main seal + compensation seal + dustproof seal)
• Self-grinding valve seat design (sealing performance improves with use)
• Built-in wear limit indicator ring
📊 Digital Operation and Maintenance Interface
• Laser-engraved unique QR code
• Supports real-time pressure data monitoring
• AR disassembly and maintenance guidance system
🌪️ Environmental Adaptability
• Performance guaranteed at altitudes of 5000 meters
• Resistant to vibration level 14 (ISO 10816 standard)
• Explosion-proof electromagnetic control option
Specifications: This product/Ordinary check valve
Pressure rating (MPa): 70/35
Opening and closing life (cycles): 1 million/300,000
Leakage (mL/min): 0/≤10
Response speed (ms): 8/15
❌ Oil backflow → Zero-leakage conical seal design
❌ Valve core jamming → Ultra-precision machined mating surface (Ra0.2μm)
❌ Water hammer impact → Integrated buffer energy storage chamber
❌ Seal failure → Self-compensating seal structure

318307507 oil refill pipeline
1 318307510 1 STEEL PIPE ASSEMBLY
2 318307508 1 STEEL PIPE ASSEMBLY
3 803100507 2 CONNECTOR
4 803174599 1 CONNECTOR
5 803103799 2 CONNECTOR
6 804414129 1 HOSE ASS’Y
7 803172340 2 CONNECTOR NON-STANDARD
8 803418757 1 CONNECTOR
9 803191635 1 CONNECTOR
10 803084051 1 HOSE ASS’Y
11 804414126 1 HOSE ASS’Y
12 803103525 3 CONNECTOR
13 803174615 1 CONNECTOR
14 804009895 1 CHECK VALVE
15 804414128 1 HOSE ASS’Y
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