Product Comparsion Table
Classify

Sol-vac air pump

Modern Ejector

Motor vane pump

Structure

multi-nozzle type
single-nozzle type
Vane pump
Driving type
Compressed air(Max 7 bar)
Compressed air
Electric motor

Instant vacuum attainment

”Ū
”Ū
X

Vacuum level & Suction flow

Vacuum level & suction flow fulfillment with low air consumption(by multi stage nozzle)
Simultaneous fulfillment is impossible
Simultaneous fulfillment is impossible

Temperature ranges

-20Ӄ ~ 120Ӄ

-
-

Energy(Air) consumption rate

Air loss minimization with air saving kit
Heavy air loss(Low level of suction flow against high air consumption)
Heavy energy consumption(Heavy energy loss as pump driving

Defect rate & Durability

No defect rate(Semi permanent) Easy assembly Low maintenance fee
Nozzle blocking status Tough assembly Part replacement as the defected
Frequent maintenance Difficult maintenance & high cost

Noise level

Low (50~65dBA)
High(75dBA)
Very High

Types

Diversity of type (Small size ~ Big size) Replaceable motor pump to air pump(To 15HP)
Limit to small size of pump Difficult for replacing motor pump to modern ejector
Heavy vibration High heat Spark Oil dregs

Install & Piping

Small, compact, easy install Centralized piping Various vacuum cups per one air pump
Difficult for Centralized piping Only one or two suction cups per one ejector
Extra space is needed Heavy & big size High cost High cost of control valve Frail to acid & corrosion

Delivery & Guarantee

Delivery right away (Stock) Guarantee : 5 years

Guarantee : 1 year

Guarantee : 1 year