Jiashida/Gast from the United StatesOil free diaphragm vacuum pumpIt can provide a small, peaceful positive pressure gas source, suitable for some compact applications, with a variety of different voltage/frequency and DC motor models to choose from, usually used in conjunction with various solid phase extraction devices, solvent filters, etc. Good vacuum effect and long service life. Main advantages: clean, oil-free lubrication, long service life, low noise, beautiful appearance, small size and light weight, easy to use.

American GastOil free diaphragm vacuum pumpTechnical parameters:

Model DOA-P504-BN
Equipped with: 90W, 220V, 50HZ AC motor
Zui high pressure: 60psi (4.2kg/cm2)
Zui high vacuum degree: -81KPA
No load flow rate: 27L/min (1.6M3/H)
Weight: 8KG
Including: pressure gauge, pipe joint, pressure regulating valve, handle, wires, etc
Dimensions: 193x165x271mm (length x width x height)