Edwards RV-12 Rotary Vane Vacuum Pump

The Edwards RV-12 Rotary Vane Vacuum Pump is a high-performance, two-stage system designed to deliver fast pumping speeds and exceptionally low ultimate pressure. Built for both laboratory and industrial use, the RV-12 combines superior vapor handling with quiet operation and long-term reliability, making it one of the most trusted solutions for demanding vacuum applications across research, manufacturing, and analytical environments.

At HiTechTrader, we specialize in making advanced vacuum technology like the RV-12 accessible without the high upfront costs of brand-new systems. Every pre-owned and refurbished pump we supply is fully inspected, serviced, and performance-verified to operate at peak capability. For laboratories and industrial facilities that need consistent pumping speed, low noise, and dependable vapor handling in a compact and durable design, the RV-12 delivers outstanding value backed by expert support.

Performance Specifications

1. Peak pumping speed: 10 cfm at 60 Hz
2. Ultimate vacuum (closed mode): 2 × 10⁻³ mbar (1.5 × 10⁻³ Torr)
3. Ultimate pressure with gas ballast: 3 × 10⁻² mbar (2.3 × 10⁻² Torr)
4. Noise level: 48 dB(A) at 50 Hz, up to ~70 dB(A) under certain conditions
5. Motor power: 450 W at 50 Hz / 550 W at 60 Hz
6. Nominal displacement: 10 cfm

Mechanical and Construction Details

The RV-12 is built for durability and ease of use, featuring NW25 inlet and outlet flanges for secure connections and a robust lubrication system for consistent performance. Key specifications include:

1. Max outlet pressure: 1 bar gauge (14 psig)
2. Max inlet & gas ballast pressure: 0.5 bar gauge (7 psig)
3. Max water vapor pumping rate: 60 g/h (low flow) / 290 g/h (high flow)
4. Operating temperature: 12 – 40 °C
5. Weight (without oil): 26 kg (58 lbs)
6. Oil capacity: 0.65 – 1.0 L (Ultragrade 19 recommended)
7. Portable footprint with integrated lifting handle

Electrical Supply Options

1. Single-phase: 110–120 V or 220–240 V (50/60 Hz)
2. Three-phase: 200–230 V or 380–460 V (50/60 Hz)
3. Universal motor design ensures broad compatibility across voltages and frequencies.

Design Features and Benefits

1. Two-stage rotary vane system for efficient vacuum generation
2. Rapid-closing inlet valve prevents backflow within 0.4 seconds
3. Two-position gas ballast for flexible vapor handling
4. Quiet operation with minimized disruptive frequencies
5. Controlled inlet valve reduces sudden surges
6. Easy maintenance with oil sight glass and accessible components
7. Supplied with Ultragrade 19 oil, inlet filter, and O-ring

Safe Operation Guidelines

To maximize performance and safety:

1. Ensure airtight NW25 connections and proper electrical setup
2. Stay within rated pressure and temperature ranges
3. Perform routine oil checks and replace with Ultragrade 19 as needed
4. Inspect inlet filter regularly for blockages
5. Allow cooling before shutdown and close inlet valve promptly after use

Applications

The Edwards RV-12 is widely used across laboratory and industrial settings, including:

1. Laboratory vacuum systems
2. Degassing and curing processes
3. Turbomolecular pump backing
4. Pharmaceutical freeze drying
5. Analytical instruments & leak detection
6. Refrigeration evacuation
7. Vacuum ovens and furnaces

Why Buy from HiTechTrader?

When you choose HiTechTrader, you're not just buying equipment, you're investing in reliability, expertise, and cost-efficiency. Each RV-12 pump we supply undergoes thorough inspection, servicing, and verification to ensure it meets demanding operational standards. Customers benefit from significant savings compared to new units, along with a 30-day evaluation period, limited warranty coverage, and personalized guidance from our technical team. Whether your focus is research, production, or analysis, HiTechTrader ensures you get dependable vacuum technology that supports productivity while protecting your budget.