The Gast DAA-P501-ED at Kinequip is a compact, oil-less unit designed for quiet, low-vibration operation in sensitive environments like laboratories and medical applications. It functions as both a compressor and vacuum pump, offering maximum versatility.
With a rugged, maintenance-free design, it features oversized bearings, corrosion-resistant materials, and a bonded connecting rod for extended service life. The unit includes a muffler and motor capacitor, and supports 100% duty cycle operation with minimal power consumption.
Quick Product Highlights
- Oil-less diaphragm pump for clean, quiet operation
- Functions as both compressor and vacuum pump
- Rugged, low-maintenance design with oversized bearings
- Ideal for lab, medical, and industrial applications
- Includes muffler and motor capacitor
Get your Gast DAA-P501-ED at Kinequip today.
Can water be pumped through my unit?
No, clean dry air only.
What are the small washers between the valve plate and the body for?
They serve as spacing between the retainer plate and the valve plate. They must be kept in the same location to ensure proper alignment.
What kind of oil do I need for my diaphragm unit?
None, Gast diaphragm units are oilless, and do not require oil.
Can I pump combustible gas through my MOA?
No, none of Gast models are designed to pump combustible gases.
My DOA model was sitting on my shelf for a long time, now it will not start.
With the power disconnected from unit, insert a rigid instrument through the grill and rotate the cooling fan a few times. This should loosen the diaphragm and allow the unit to start.
What can I use to flush my diaphragm unit with?
Gast flushing solvent, AH255D. If this is not available you can use electrical contact cleaner.
Can I use the same kit for new style DOA (dome shaped head) as for the old flat head style?
Yes the kit will contain parts for new and old style units.
Can I get new motor brushes for my DC voltage unit?
Yes the brushes can be obtained from Gast distributors. Check website sales & distribution for a distributor near you.
How can I replace the rod assembly in my diaphragm unit?
The rod assembly is not field replaceable, the unit should be sent to an authorized service center.
Can I replace the motor on my diaphragm unit?
The motor can not be replaced in the field, the unit should be sent to an authorized service center.
Shipping
We are committed to delivering your machine parts quickly and securely. Orders are processed within 1-2 business days, and shipping times vary based on your location and selected shipping method. Standard shipping typically takes 3-7 business days, while expedited options are available for faster delivery. We ship domestically and internationally, with tracking information provided for all orders. Shipping rates are calculated at checkout. Please ensure your shipping address is accurate to avoid delays.
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.
