Corken E-91™ Plant Oil Extraction Compressor

UL 1861-certified, oil-free gas compressor purpose-built for botanical extraction. Recovers butane at ~93 lb/hr and propane at ~240 lb/hr with triple PTFE packing seals and C1D1 indoor compliance.

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SKU: CORKEN-E91 Category:

Description

The Corken E-91™ is the first UL 1861-certified plant oil extraction compressor engineered specifically for safe indoor hydrocarbon extraction. Triple PTFE packing seals ensure complete vapor containment, while the oil-free piston design eliminates contamination of your process gas.

Specifications

  • Max Pressure: 335 PSI (23.1 bar)
  • Butane Recovery: ~93 lb/hr
  • Propane Recovery: ~240 lb/hr
  • Seal Design: Triple PTFE Packing
  • Noise Level: ~85 dBA @ 3 ft
  • Certifications: UL 1861, C1D1
  • Gas Compatibility: Butane, propane, hydrocarbon blends

Key Features

  • First UL 1861-listed extraction compressor — compliant for licensed indoor facilities
  • Oil-free compression — zero lubricant contamination of process gas
  • Triple PTFE seals — superior vapor containment and long service life
  • Food-grade PTFE/nickel-coated wetted parts
  • Self-contained — no external air compressor required
  • Quiet operation suitable for lab environments
Client Success Stories

Our Customers Know The Difference.

Our clients look to us to provide reliable and efficient solutions.

★★★★★

SafeLeaf has always been great at sourcing our unique needs, Sean and the team are awesome.

Brent
Brent
Operations Manager
★★★★★

The team at Safe Leaf is very knowledgeable and helpful. I can't recommend them enough if you're in this space and need someone you can trust to help you solve whatever your problem is.

Lincoln Johnson
Lincoln
CEO/CTO — BC Extraction Facilty
★★★★★

Safe Leaf came through for us in the design and build of our extraction facility. I couldn't have asked for a better quality service or source of knowledge and insight.

Mike Hodgson
Mike H
Extraction Facility Operator
Common Questions

Frequently
Asked.

SafeLeaf.ca carries a broad range of extraction and post-processing equipment including closed-loop hydrocarbon systems, CO₂ extractors, ethanol processors, rotary evaporators, falling film evaporators, wiped film distillation units, freeze dryers, vacuum ovens, and ancillary equipment. Browse the full catalogue or contact us for specific requirements.
Our primary market is Canadian processors. Some equipment can be sourced or referred for US-based operations, but regulatory and shipping considerations apply. Contact us to discuss your specific situation.
Yes. SafeLeaf.ca supports projects well beyond equipment sales, including planning, technical consulting, installation support, commissioning guidance, and broader turnkey implementation strategy.
Yes. Financing and leasing options may be available through partner channels, depending on the equipment package, customer profile, and project scope. This can make turnkey deployment much more accessible.
The best first step is a consultation. From there, SafeLeaf.ca can help define your extraction goals, recommend an appropriate workflow, identify compliance considerations, and shape a phased implementation plan.