Used Ammonia Compressors

At SMB we offer a variety of ammonia compressors and equipment for refrigeration, primarily Emerson’s Vilter compressors for industrial refrigeration and gas compression.

The Vilter brand is tried and trusted and has been around for more than 150 years. The company produces twin screw, mini screw, and single screw machines. The single screw type are rotary, positive displacement machines and these are the most reliable. They also have the lowest life-cycle costs.

A recent case study released by Vilter showed how a leading Canadian company in the pharmaceutical and food sector expanded its cold storage distribution warehouse, installed a dual temperature, low-charge ammonia refrigeration system, and increased its efficiency by 15%. A single screw system, it was designed for 20 years service that would not need costly maintenance.

Other brands we stock include MYCOM manufactured by Mayekawa, a company that has been in the refrigeration industry for more than 80 years.

Ammonia Compressors From SMB Machinery

Examples of Vilter ammonia equipment we carry include four, six, eight, and 12-cylinder compressors. More specifically:

  • 12 cylinder 200 hp compressors
  • 8 cylinder 100 hp compressors with oil separators and electrical starter panels
  • 8 cylinder 150 hp compressor with a Lincoln motor
  • 6 cylinder 100 hp compressor with an electrical starter panel
  • 6 cylinder 75 hp compressors with electrical starter panels and oil separators
  • 75 hp motor for a Vilter ammonia compressor with an oil separator
  • 4 cylinder 60 hp compressors with oil separators
  • 50 hp compressors

Some are mounted on channel frames. Oil separators are often standard with ammonia compressors because the refrigerant is immiscible with oil. If there isn’t an oil separator, oil particles end up in the evaporator and reduce the efficiency of the heat transfer process from the refrigerant. An oil separator will remove the oil and return it to the crankcase of the compressor.

If you spot something that might suit your needs, explore our inventory for more information. If we don’t have what you want we will do what we can to source suitable ammonia equipment for you.

Item ID Model#
Mounted on channel frame with 100hp motor.  Approx 7ft long x 4ft wide footprint
ID: 17184 model#: 448B-RC
ID: 17359 model#: 448
Vilter 448 8 Cylinder Ammonia Compressor.  No Motor.
ID: 17358 model#: 448
Vilter dual reciprocating ammonia compressor skid included                (1) Model AS 448, 8 cyl, 100hp S/N 20338A, 115V.               (2)…
ID: 16802 model#: AS448 & AS446
Mounted on channel base. Missing motor.
ID: 12180 model#: 448
Mounted on channel frame with 100hp motor.
ID: 17183 model#: 448 RCB
Vilter Dual Ammonia Compressor Skid with Common Base and Starter Panel.  2 Vilter 448 Ammonia Compressors with 100 HP Electrical Motors for Each Compressor.
ID: 17356 model#: 448
Vilter Dual Ammonia Compressor Skid- Skid includes 1 Vilter 448 8 Cylinder Compressor with 100 HP Motor, 1 Vilter 446 6 Cylinder Ammonia Compressor with 100 HP Motor.
ID: 17355 model#: 448,446

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SMB Machinery, LLC
2563 Airport Industrial Dr.
Ball Ground, GA, USA 30107

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