VJP-150 Roots Booster Vacuum Pump 153m³/h 1.1kW Low-Noise Design | GOFLEX

The GOFLEX VJP-150 Roots booster vacuum pump (VJP-150) is a high-efficiency dry Roots blower designed to significantly enhance pumping speeds and achieve deep vacuum levels for optical vacuum coating, vacuum freeze-drying, and precision laboratory systems. Driven by an energy-efficient 1.1 kW motor running at 3000 r/min synchronous speed, the VJP-150 Roots booster pump delivers an exceptional displacement pumping speed of 153 m³/h and achieves ultimate pressures ranging from 0.05 to 0.5 Pa.

Engineered with a low-noise profile operating at ≤63dB and an economical oil capacity of just 1.5L, the VJP-150 Roots booster vacuum pump tolerates a maximum allowable pressure differential of up to 8000 Pa. Featuring standardized 70mm inlet and outlet ports, a lightweight 90 kg footprint, and seamless integration with pre-stage backing pumps such as the VR63 or 2X-8, this booster unit is the optimal choice for light industrial packaging, small-scale thin-film coating, and food processing lines.
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Specification

VJP-150 Technical Specifications & Performance Data

Specification ParameterVJP-150 Roots Booster Pump Data
Model NumberVJP-150
Pump Type / StructureRoots Booster Vacuum Pump (罗茨真空泵)
Displacement / Pumping Speed153 m³/h
Ultimate Pressure Range0.05 – 0.5 Pa
Max Allowable Pressure Difference8000 Pa
Motor Power Rating1.1 kW (380V / 50Hz Standard, Customizable)
Synchronous Speed3000 r/min
Operational Noise Level≤ 63 dB
Inlet / Outlet Connection Size70 mm
Oil Capacity1.5 L
Recommended Backing PumpsVR63, 2X-8 or equivalent rotary vane / dry pumps
Net Weight / Package Weight90 kg (Net Unit) / 100 kg (Gross Package)
Package Dimensions (L × W × H)850 × 600 × 600 mm
Surface Treatment & ProtectionIndustrial Spraying / Coating
Origin & Custom SupportGuangdong, China | 1 Year Warranty | OEM & ODM Support

Key Features & Engineering Advantages

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High Pumping Speed & Deep Vacuum

Delivers a high displacement of 153 m³/h and achieves deep vacuum levels of 0.05-0.5 Pa, dramatically shortening chamber evacuation times when paired with pre-stage backing pumps.

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Ultra-Quiet ≤63dB Operation

Precision dynamic rotor balancing and optimized housing design reduce running vibration, providing a quiet operational noise level of ≤63dB for clean laboratory and indoor factory spaces.

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Low Power & Low Oil Consumption

Powered by an efficient 1.1 kW motor with a compact 1.5L oil sump, minimizing energy consumption and operating fluid maintenance requirements.

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Compact 90kg Design & High ΔP Tolerance

Handles up to 8000 Pa max pressure difference. Its lightweight 90 kg structure enables easy mounting onto skid-mounted vacuum coating plants and drying systems.

Target Applications & Industry Use Cases

Primary Process Applications

  • Vacuum Coating Systems: PVD/CVD thin-film deposition, optical lens coating, and decorative metallizing chambers.
  • Vacuum Freeze-Drying & Dehydration: Low-temperature drying ovens for pharmaceuticals, food ingredients, and active botanical compounds.
  • Laboratory & Scientific Research: High-vacuum research rigs, mass spectrometer backing lines, and vacuum chambers.
  • Light Industrial Packaging: Modified atmosphere vacuum sealing and thermoforming packaging systems.
  • Transformer Oil Purification & Degassing: Evacuating moisture and volatile gas contaminants from electrical insulation oils.

Target Industry Sectors

  • Thin-film optical, semiconductor, and decorative coating industries
  • Pharmaceutical freeze-drying and chemical processing plants
  • University research laboratories and R&D testing institutes
  • Food processing, freeze-dried nutrition, and packaging factories
  • Electrical transformer maintenance and vacuum drying workshops
  • Vacuum equipment integrators building custom backing pump skids

Frequently Asked Questions (FAQ)

Why is the GOFLEX VJP-150 Roots booster pump recommended for vacuum coating and drying? +

The VJP-150 Roots booster pump provides a fast 153 m³/h displacement speed and deep vacuum capabilities down to 0.05-0.5 Pa. This allows coating and freeze-drying chambers to evacuate rapidly, ensuring clean vapor removal and short production cycle times.

What backing pumps pair best with the VJP-150 vacuum booster? +

The VJP-150 operates as a booster stage and is typically paired with primary backing pumps such as the GOFLEX VR63 or 2X-8 rotary vane vacuum pumps to handle high differential pressure during startup.

How quiet is the VJP-150 Roots booster vacuum pump in continuous operation? +

The VJP-150 Roots booster pump is engineered for low-noise environments, emitting ≤63dB during steady operation. It also features low oil consumption with a small 1.5L oil capacity.

Can GOFLEX customize motor voltages and connection flanges for global OEM setups? +

Yes. GOFLEX offers OEM and ODM customization for international motor voltages (e.g., 220V, 380V, 440V at 50Hz or 60Hz), tailored spray-painted finishes, and customized 70mm flange adapter connections.

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