DMW-P series Dry screw vacuum pump

Model:DMW-P series Dry screw vacuum pump （equal pitch）

Brand:DREAM

Pumping speed: 108~910m³/h or 30~252.78L/s

Extreme Pressure:0.05mbar or 5pa

Motor power：380~380KW or 516.66~516.66hp

Model:DMW-P series Dry screw vacuum pump （variable pitch）

Brand:DREAM

Pumping speed: 180~1860m³/h or 50~516.67L/s

Extreme Pressure:0.01mbar or 1pa

Motor power：3.7~37KW or 5.04~50.31hp

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Product Features

It can run at full speed under atmospheric pressure and ultimate vacuum.
A single stage can achieve a higher vacuum degree, with an ultimate pressure of 2-5Pa.
There is no oil or water in the working chamber of the pump that contacts the process gas.
The rotors do not touch each other, reducing wear; the rotors, housings, and flow-through parts can be coated with anti-corrosion coatings such as Teflon and Hastelloy.
The gas channel in the pump is short and can be exhausted quickly.
It can be operated alone or as a fore-stage pump.
Dry screw vacuum pumps are available in two types: equal pitch and variable pitch, also known as external compression screws and internal compression screws. Compared with equal pitch screws, variable pitch screw pumps have lower exhaust temperature and higher efficiency.

Parameter

Parameter table of Demon dry screw vacuum pump (equal pitch)

Model NO.	Pumping Speed (m³/h)	Extreme Pressure（Pa）	Motor power （kW）	Power Supply (V)	Noise Level db(A)	Air Inlet Pipe Diameter（mm）	Air Outlet Pipe Diameter（mm）
DMW108P	108	5	4	380	≤76	50	40
DMW180P	180		5.5		≤80	50	40
DMW250P	250		7.5		≤80	50	40
DMW530P	530		15		≤83	65	50
DMW720P	720		22		≤85	80	80
DMW910P	910		30		≤86	100	80

Dream dry screw vacuum pump (variable pitch) parameter table

Model NO.	Pumping Speed (m³/h)	Extreme Pressure（Pa）	Motor power （kW）	Rotation Speed （rmp）	Air Inlet Pipe Diameter (mm)	Air Outlet Pipe Diameter (mm)	Noise Level(dBA)	Cooling Water（L/min）

DMW180PV	180	1	3.7	2900	50	40	≤75	5-10

DMW260PV	260	1	5.5		65	50

DMW330PV	330	1	7.5		65	50		10-15
DMW450PV	450	1	11		80	65
DMW650PV	650	1	15		100	80	≤85	15-20
DMW780PV	780	1	18.5		100	80
DMW960PV	960	1	22		100	80
DMW1500PV	1500	1	30		150	100
DMW1860PV	1860	1	37		150	100

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For more than a decade, Dream （Shanghai） Compressor Co., Ltd has been striving to become one of the leading manufacturers of compressed air solutions in China.

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