804018898 Technical Features
- Intelligent variable control
- Dynamic load matching, response time <30ms, flow accuracy ±1%, and energy savings of 15%-20%.
- Super wear-resistant design
- Plunger assembly: Nano-hard chrome plating (HV1200), lifespan 12,000 hours; valve plate: Cobalt-based alloy coating, lifespan 10,000 hours.
- Dual-stage filtration and self-cleaning
- Internal 10μm pre-filter + external 5μm filter element, high-pressure oil flushing, and automatic cleaning.
- Extreme environment protection
- IP67 protection rating, pressure resistance 500 bar, temperature resistance -40°C to +150°C, and low-temperature start support (-30°C).
II. Performance Advantages
- High efficiency and energy saving
- Volume efficiency ≥96%, annual fuel savings 50,000-80,000 yuan (rotary drilling rig case), and compliance with CE energy-saving standards.
- Long life and low maintenance
- Core component lifespan extended by 50%-100%, overhaul intervals 8,000-10,000 hours, and maintenance time <2 hours.
- Stable and reliable
- Suitable for high-temperature (50°C) and high-pollution (mines/tunnels) operating conditions, reducing failure rates by 30%.
- Low noise and vibration reduction
- Noise level ≤ 85 decibels, and vibration reduction design extends equipment life.




















