Products > Air Compressors

STSP-2 VSD Series

Two Stage Rotary Screw Air Compressors

Two-stage rotary screw with up to 35% energy savings, in stock now. South-Tek’s STSP-2 VSD series prioritizes machine safety with its soft start inverter, while also eliminating wasted energy. This series operates at two stages of pressure, ensuring high efficiency and reducing specific power usage by 7-8% compared to single-stage screw compressors. VSD matches output to demand: 15–25% energy savings vs. fixed-speed.

Starting at $38,584.00 In Stock ModelsShips in 3 Business Days

Key Features and Benefits

  • IE4 efficient engine for maximum energy savings.
  • Low speed radial fan and inverter for increased
    durability and long service life.
  • User-friendly remote monitoring, control and
    feedback support to optimize operations.
  • Low speed radial fan
  • Radial fan inverter
  • Frequency controlled (inverter) to allow for
    maximum customization to suit your needs.
  • Ultra quiet to reduce workplace noise.
  • Highest performance in its class.
  • Lifetime airend warranty for maximum protection.
  • Maximum performance in difficult conditions
    (operating temperature 45°C and above).

Product Features

Weg Motor

  • Nonproprietary, off-the-shelf motors reduce costs and simplify servicing.
  • Compressors up to 40 HP use Tri-Voltage motors; 50 HP and above are standard 460V.
  • Equipped with Class F insulation.

Microprocessor Controller

  • Intuitive touch display option
  • ‘Built-in’ phase protection
  • Prime and Fan motor current protection
  • Durable ABS plastic enclosure
  • IP65 fascia protection
  • MODBUS ready
  • Industry 4.0 / IOT ready
  • Factory or Aftermarket IOT Option module

Cooler

  • Cutting-edge technology for superior performance.
  • Up to 60% more compact than traditional fin-and-tube designs.
  • Durable bar-and-plate construction.
  • Minimizes airside fouling for optimal efficiency.

We appreciate your interest. Your results are delivered to your email.

If you wish to know the full numbers and more information, you can download the pdf below.