We Greatech is specialized in producing of:

(A) Tri. Lobe Roots Blower
Bore: 40 to 400mm (1.5 to 16 inch)
Air: 0.1 to 280 m3/min
Pre: 0 to 2000 mBar
As Vacuum: up to -500 mB

Air cooled type / Water cooled type
Silent type / Vacuum type
One stage type / Two stage type
Enclosure

(B) Silent Roots Blower
Bore: 40 to 150mm (1.5 to 6 inch)
Air: 0.1 to 22 m3/min
Pre: 0 to 600 mBar
As vacuum: up to -500 mBar

Advantage:
Extremely low noise
Power saving
Oil changing: Once a year
Fully cooling, no heating
Space saving
No need belt
No neet foundation plateform.

Especially suitable to install in Hospital, School, Hotel, Housing Area, Building... where is prohibit noise.

By wooden case.