Description
Gast DOA-V191-AA Oilless Diaphragm Vacuum Pump 1.1 CFM 25.5 inHg 115V 1/8 HP Lab
The Gast DOA-V191-AA is a compact, oil-free diaphragm vacuum pump designed for applications where a clean, maintenance-light vacuum source is needed. Unlike rotary vane or oil-sealed pumps, the DOA-V191-AA uses a flexible diaphragm to move air, producing a dry, contamination-free vacuum stream with no oil mist or lubrication residue. This unit includes an attached Pacific Scientific dual-scale vacuum/pressure gauge (inHg/psi/kPa) with a 316 stainless steel tube and socket.
Specifications & What's Included
- Manufacturer: Gast Mfg. Corp., Benton Harbor, Michigan, USA
- Model: DOA-V191-AA
- Pump Type: Oilless Diaphragm
- Max Vacuum: 25.5 inHg
- Open Flow: 1.1 CFM
- Motor Voltage: 115V AC
- Frequency: 60 Hz
- Phase: Single Phase
- Current Draw: 4.2 Amps
- Motor Power: 1/8 HP
- Lubrication: Oil-free / Oilless
- Form Factor: Benchtop with rubber anti-vibration feet
- Certifications: UL Listed, MKK
- Included: Pacific Scientific dual-scale vacuum/pressure gauge (inHg / psi / kPa), 316 S.S. tube and socket; attached power cord with standard plug
Applications
Gast DOA-series diaphragm vacuum pumps are widely used in laboratory, scientific, and light industrial settings where an oil-free vacuum source is required. Typical applications include filtration, degassing, aspiration, vacuum drying, and low-vacuum sample handling in chemistry and biology labs. Because they produce no oil mist or exhaust contamination, oilless diaphragm pumps are the standard choice for analytical instruments, vacuum ovens, rotary evaporators, Büchner funnel filtration, and any process sensitive to hydrocarbon contamination. The compact benchtop form factor and standard 115V single-phase power make the DOA-V191-AA easy to integrate on a lab bench or inside an instrument cabinet. These pumps remain a staple of research, QA, and light-duty industrial vacuum work today.
This Gast DOA-V191-AA Oilless Diaphragm Vacuum Pump is in used condition. It was pulled from a working lab environment where it had been previously in service. The unit has been visually inspected and photographed. The body shows typical wear for a used pump, including a marker label ('SLICE') written on the side and general surface grime consistent with lab use. The Pacific Scientific dual-scale vacuum/pressure gauge (inHg/psi/kPa) is attached and intact. Power cord is present and appears in good condition. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Gast |
Model: |
DOA-V191-AA |
MPN: |
DOA-V191-AA |
Type: |
Oilless Diaphragm Vacuum Pump |
SKU: |
39202 |
Seller Notes: |
Pump unit with attached Pacific Scientific vacuum/pressure gauge and power cord. |
Country/Region of Manufacture: |
United States |
Pump Technology: |
Oilless Diaphragm |
Max Vacuum: |
25.5 inHg |
Open Flow (CFM): |
1.1 CFM |
Voltage: |
115V |
Amperage: |
4.2 A |
Frequency: |
60 Hz |
Phase: |
Single Phase |
Motor Power: |
1/8 HP |
Power Requirements: |
115V AC, 60 Hz, Single Phase, 4.2A |
Lubrication: |
Oil-Free / Oilless |
Gauge Included: |
Yes — Pacific Scientific dual-scale gauge (inHg / psi / kPa) |
Gauge Tube Material: |
316 Stainless Steel |
Form Factor: |
Benchtop |
Certifications: |
UL Listed, MKK |
Condition Notes: |
This Gast DOA-V191-AA Oilless Diaphragm Vacuum Pump is in used condition, pulled from a working lab environment. Shows typical wear including a marker label on the body. Pacific Scientific gauge and power cord included. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |