The Gast LAA-V104-NQ at Kinequip is a compact, oil-less rocking piston unit that functions as both a vacuum pump and compressor. Designed for quiet operation and long service life, it’s ideal for use in medical, dental, laboratory, and other noise-sensitive environments. Its oil-free design ensures clean, contaminant-free air output, making it suitable for applications where air purity is critical.
This unit features rugged construction, low maintenance requirements, and simple field serviceability. It’s lightweight yet durable, with a motor-mounted configuration that simplifies installation. Whether you’re integrating it into OEM equipment or using it in standalone systems, the LAA-V104-NQ delivers reliable performance with minimal downtime.
Quick Product Highlights
- Oil-less operation for clean air output
- Functions as both vacuum pump and compressor
- Quiet and efficient for sensitive environments
- Rugged, low-maintenance design
- Easy to install and service
Request a quote for Gast LAA-V104-NQ at Kinequip today!
Can water be pumped through my unit?
No, clean dry air only.
My ROA model was giving good pressure, now it only will give about half of rating?
Most likely foreign material has gotten under one of the valves holding it open, causing low flow.
What kind of oil do I need for my ROA-P201-AA?
None, these models are oilless, and do not require oil.
Can I pump explosive gas through my LOA?
No, none of Gast models are able to pump explosive gases.
My 71R will start fine, but after it shuts off and tries to restart it only hums.
ROC-R models will not restart under any load, the head must be unloaded for proper restart.
What can I use to clean the internal parts on my ROC-R with?
Gast recommends using Gast flushing solvent AH255D, if this is not available you can use electrical contact cleaner.
What are the colored pieces of metal between the cylinder and body for on my ROA?
These are shims to protect the retainer plate from hitting the vale plate, if removed, they must be reassembled the same way they came off. If one is lost it must be replaced to assure proper clearances.
Can I get new motor brushes for my ROA-P201-JH?
Can I replace the motor on my ROA model?
The motor can not be replaced in the field, the unit should be sent to a rebuild center.
Can I replace the rod assembly in my ROC-R unit?
The rod assembly is replaceable, refer to your owners manual for part numbers.
How do I keep my 86R or 87R compressor or pump running at highest performance?
Preventative Maintenance (PM) kits should be installed every 2000 hours or 2 years, whichever comes first. Additionally, if fitted with Sound Shield, the AS321 Silencers should be replaced during the same interval period.
If I install Sound Shield, does it affect my factory warranty?
If properly fitted and operated under normal conditions of use, the remainder of the factory warranty will continue with Sound Shield installed.
What does the model number mean?
For an explanation of the Rocking Piston model numbers please click here.
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Returns
We want you to be fully satisfied with your purchase. If you need to return a product, we accept returns within 30 days of delivery for a full refund or exchange, provided the item is unused, in its original condition, and includes all packaging. Customers are responsible for return shipping costs unless the return is due to a defect or error on our part. To initiate a return, please contact our support team with your order details. Refunds will be processed within 5-7 business days after receiving the returned item.
