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GTO20EH2S – 20HP Electric H2S VRU


H2S present in your vapor stream? OTA Compression’s GTO20E H2S unit can handle the job. By incorporating H2S impervious lining to the unit scrubber and suction plumbing, the GTO20E can operate in H2S vapor environments to 5000 PPM. Designed with corrosion issues in mind, OTA’s unique scrubber and plumbing design allows for cost efficient component interchange eliminating the requirement of complete vessel or plumbing replacement. OTA’s GTO20E H2S Vapor Recovery Unit with Variable Frequency Drive (VFD) is ideal for applications where electricity is available to your location. The GTO20E H2S VRU package utilizes a 20HP 480V electric motor to power OTA’s proprietary KS40 compressor. The VFD allows the GTO20E H2S to fit on any vapor recovery application where electricity is available making it the most versatile VRU available. As suction pressures fluctuate, the VFD will allow the electric drive motor to automatically adjust its RPMs accordingly. This package is designed for flexibility, ease of service and low maintenance. The VRU is so precise it can monitor and react to the exact ounce of pressure you command it to.


Reciprocating compressor? For vapor recovery?


That’s right! The KS40 was designed specifically for vapor recovery and is incomparable to other reciprocating compressors of the past. See how it stacks-up against its reciprocating ancestors, as well as modern competing compressor designs. Simply follow the KS40 link below:

KS40 Compressor


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Ecology Rail Prevents Soil Contamination

Quiet Enough to Operate in Residential Areas

Automatic Shut-Down and Re-Start

Built Tough- Reliable and Durable

Built in Safety Features Come Standard

Remote Satellite Communication Capable

Positive Pressure Compressor Crank Case Prevents Oxygen

Data Logging


Click image to view/download performance curves.