The VRI-8 Oil Rotary Vane Vacuum Pump doubles the flow capacity of the compact VRI-4 — delivering 8 m³/h dual-stage rotary vane vacuum pumping for laboratory and industrial vacuum applications requiring faster chamber evacuation, higher sustained gas load handling, or simultaneous vacuum supply to multiple connected systems. Maintaining the VRI-4's core feature set of dual-stage architecture, built-in gear pump for steady oil supply, electric solenoid valve for oil backflow prevention, integrated pump-motor design, and IP44 environmental protection — the VRI-8 adds the higher 0.55 kW motor power and 0.5L oil capacity needed for the increased continuous duty demands of 8 m³/h operation. With 1×10⁻¹ Pa ultimate partial pressure, 3 Pa total pressure, KF16 connections, ≤65 dB noise, and 17 kg compact weight — the VRI-8 serves vacuum drying systems, pharmaceutical applications, chemical processing, and industrial vacuum processes requiring reliable higher-flow deep vacuum supply.
The VRI-8 provides dual-stage 8 m³/h rotary vane vacuum at 1×10⁻¹ Pa ultimate partial pressure with KF16, IP44, built-in gear pump, solenoid anti-backflow valve, and 0.55 kW single-phase motor — the higher-capacity VRI Series model for laboratory vacuum drying systems, chemical and pharmaceutical applications, and industrial vacuum processes. Full specifications listed below.
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