Osaka Vacuum, Ltd.:Oil Diffusion Pumps

View details of Oil Diffusion Pumps

Standard specifications
Model number^*1		DP2	DP3	DP4	DP6	DP8	DP10	DP14
Volume flow rate	No baffles L/s	160	360	570	1200	1950	3000	5500
Volume flow rate	With standard baffle L/s	90	200	310	660	1070	1650	3030
Ultimate pressure Pa		1x10^-5
Unloaded boundary back pressure Pa		40	27
Oil backflow (With standard baffle) mg/cm²･min		<10^-4
Standard baffle		Water-cooled louvers
Heater	Power supply	AC100V 1φ			AC200 /220V,1φ			AC200 /220V,3φ
Heater	Electrical power kW	0.33	0.5	0.7	1	1.4	1.9	4.5
Oil gauge L		0.05	0.1	0.15	0.34	0.5	0.82	1.6
Cooling water level (Includes models with baffles)^*2 m³/h		0.03	0.06	0.09	0.18	0.24	0.3	0.42
Weight kg		4	6	8	20	30	41	135
Reference auxiliary pump^*3		C60	C180	C360	C800	P90	P180 /P222	Select according to specifications

Standard specifications
Model number^*1		DP18B	DP22B	DP28B	DP36
Volume flow rate	No baffles L/s	9000	13000	20000	40000
Volume flow rate	With standard baffle L/s	4600	6900	9800	18000
Ultimate pressure Pa		2x10^-5			1x10^-5
Unloaded boundary back pressure Pa		59	65	67	27
Oil backflow (With standard baffle) mg/cm²･min		<10^-4
Standard baffle		Water-cooled louvers
Heater	Power supply	AC200/220V,3φ
Heater	Electrical power kW	3.5	5.4	8	15
Oil gauge L		2.5	3.5	5.5	9
Cooling water level (Includes models with baffles)^*2 m³/h		0.3	0.42	0.72	2.4
Weight kg		110	167	225	1000
Reference auxiliary pump^*3		Select according to specifications

*1 : Model numbers with a "B" at the end are energy-saving, space-saving models.
*2 : Maximum cooling water temperature should be 30℃.
*3 : The auxiliary vacuum pump must be selected according to the size of the target exhaust system and other specifications.
(For details, contact our sales representative)