Stokes Microvac

Suitable for a broad range of industrial processes

Most effecient rotary piston pump in the industry

The Stokes Microvac 212-612J Series rotary piston pumps remain a perennial favorite for demanding industrial applications. They deliver proven vacuum performance with rugged reliability, long service life and low maintenance, making them a trusted solution for harsh environments and continuous operation across industries.

  •  80 years of time-tested, proven performance
  • Suitable for a wide range of industrial processes
  • Slow rotational speed
  • Configured for your application
  • Complete, self-contained vacuum pump saving up to 50% floor space
  • Ease of service with simple design and fewer interchangeable parts lowers costs
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PRODUCT DETAILS

Features

Proven Robust

For over 100 years, the Stokes Microvac has been delivering robust, reliable operations with maximum uptime. A large part of this is due to the efficient design that includes minimal moving parts.

Ready-to-Install

With the improved, upgraded and fine-tuned ‘J’ series, you get delivery of a complete, self-contained vacuum pump, which saves you up to 50% of floor space.

Slow Rotation

With a rotational speed of less than 500 RPM, the Stokes Microvac is 50% slower than competitive models. This means longer life and a greater ability to handle particulate matter from your harsh applications.

Simple Service

The simple mechanism can be easily serviced and maintained on-site. The robust design includes fewer parts that are easily interchangeable, keeping your maintenance and parts costs low.

Easily Configurable

You can choose from a wide range of accessories, including water miser, oil mist separators, gas ballast silencers, auto gas ballast, external oil purifiers, inlet filters and closed loop external cooling systems, providing versatility for numerous applications.

Stokes Microvac Brochure

Download our Brochure

Stokes Microvac 212-412J Rotary Piston Pump Brochure

Filename
Document-Stokes-Vacuum-Microvac-Overview-2025.pdf
Size
1 MB
Format
pdf
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Applications

  • Automotive
  • General Applications
  • Metallurgy
  • Vacuum Coating
  • Vacuum Melting
  • Chemical Processing
  • Heat Treatment
  • Leak Detection
  • PET Processing
  • Pharmaceuticals
  • Transformer Drying

Product Specifications

PUMP TYPE

MAXIMUM PUMPING

SPEED

ULTIMATE VACUUM MOTOR POWER OVERALL DIMENSIONS

NOISE 

LEVEL

50/60 HZ

50 HZ  60 HZ L W H
  m3/hr
(50 Hz)
cfm
(60 Hz)
MBAR TORR KW HP KW HP IN IN IN DB(A)
212 J 234 138 <3.3×10-2 <2.5×10-2 5.5 7.5 5.5 7.5 26.25 24 43.5 <77
412 J 442 260 <3.3×10-2 <2.5×10-2 11 15 7.7 10 40.25 25.63 1314 <85
612 J 884 520 <3.3×10-2 <2.5×10-2 11 15 7.7 10 43.75 70 56.63 <85

 

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