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Gast Oilless Diaphragm Compressor (Lab Model) . DOA-PAA / DOA-P BN Laboratory Oil-less Diaphragm Vacuum Pump and Compressor Operation. Oil-less diaphragm vacuum pumps & compressors, Warning • Read online or download PDF • Gast DOA-PBN User Manual. Gast DOA-PBN. Explore Gast on Octopart: the fastest source for datasheets, pricing, specs and availability.

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Food Processing and Packaging.

Gast DOA-PBN : Owner manual

Medical and Laboratory Applications Include: Printing and Packaging Applications Include: Water vaporoil-based contaminants. Do not use an adapter. Remove the socket cap screws from the head of the pump. Your safety and the safety of others is extremely important.

Your manual failed to upload Relief valve set too low. We have provided many important safety messages in this manual and on your product. This product must be grounded.

Gast DOA-PBN User Manual | 8 pages | Also for: DOA-PAA

Material Handling Applications Include: Remove the head and valveplate from the pump. Agricultural Equipment Oil Atomization. Gast Products Product Finder. Tell us what’s missing.


Service Kit contents vary.

Please follow all recommended maintenance, operational and safety instructions and you will receive years of trouble free service. Disconnect electrical power to pump.

What’s missing? Tell us about it.

Max Flow 50 Hz 1. For performance guarantee, the product must be returned to a Gast Authorized Service Facility.

Put on eye protection. Valves dirty or valves bent.

Don’t see a manual you are looking for? Please follow all recommended maintenance, operational. General Industrial Applications Include: Always read and obey all safety messages.

Additionally, the unit requires minimal power consumption and can be used as a compressor or vacuum pump for maximum versatility.


Ports will not support the weight of the doa-p504-hn. The unit runs at cool operating temperatures and has oversized maintenance-free bearings and corrosion resistant materials — all of which add to the long service life.

Relief valve set too high. Max Vacuum 60 Hz The air filter, diaphragm and valves are easily replaceable, which extends the life of the product and maximizes uptime. Product Details With a compact, yet durable and rugged construction, the DOA Series provides oil-less operation, which ensures that the discharge air remains free of lubricant contamination.


Check to see that the head gasket on the valve plate is not compromised in any way, remove from valve plate, and set aside for reinstallation after cleaning valve plate. It is manufactured to the highest standards. Most contain gaskets and filter parts.

Food and Beverage Applications Include: The connecting rod is bonded to the bearing not clamped as in lighter duty pumps. Page 5 Gast will NOT guarantee field-rebuilt product performance.