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Slide-valve vacuum pump series Roots vacuum pump series Rotary vane vacuum pump series... VARIABLE PITCH SCREW DRY VACUU... Water（oil）ring vacuum pump ser... Roots rotary vacuum pump serie... Roots rotary vacuum pump seri... Water（oil）ring vacuum pump ser... Roots Pump Systems With Water(... High Vacuum Oil Diffusion Pump... Oil mist eliminator Roots air jet water ring vacuu... Resin products Equipment for Q... Metal Oil Diffusion Pump

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JZP2X150-2	JZP2X300-4	JZP2X600-8

The Roots pump (or double Roots) is in series with a rotary vane or slide valve pump. Compared with single rotary vane pump and slide valve pump, it has the advantages of high vacuum degree, large pumping volume in high vacuum area, significant energy saving effect, small footprint, and automatic operation. Depending on the size of the vacuum pumped system and the ultimate pressure, the ratio of the nominal pumping speed between the pumps of the vacuum unit is generally between 4:1 and 10:1. The former is more suitable for larger vacuum systems and longer time than the latter. Work at lower inlet pressure or extreme vacuum conditions.
Widely used in vacuum impregnation and vacuum drying processes for transformers, wires and cables, and capacitors in the power industry. It is vacuum coating, vacuum smelting, vacuum heat treatment, vacuum oil filtration, freeze drying; ideal vacuum equipment for aviation simulation test.

機組型號 Model	泵型號 Pump Model			抽氣速率 Pumping Speed(L/S)	極限分壓 Ultimate PartialPressure	極限全壓 Ultimate Total Pressure	進氣口徑 Inlet Diam(mm)	出氣口徑 Outlet Diam(mm)	電機功率 Motor Power(kw)
	主泵 Brief pump	前級泵 Backing pump			極限分壓 Ultimate PartialPressure	極限全壓 Ultimate Total Pressure			主泵 Brief pump	前級泵 Backing pump
	主泵 Brief pump	I	II		Pa	Pa			主泵 Brief pump	I	II
JZP2X70-4	ZJP-70	2X-15A	——	70	2*10^-2	5*10^-1	Ø80	Ø40	3	2.2	——
JZP2X150-5	ZJP-150B	2X-30A	——	150	2*10^-2	5*10^-1	Ø100	Ø40	3	3	——
JZP2X300-4	ZJP-300B	2X-70C	——	300	2*10^-2	5*10^-1	Ø150	Ø80	4	5.5	——
JZP2X300-7	ZJP-300B	2X-30A	——	300	2*10^-2	5*10^-1	Ø150	Ø40	4	3	——
JZP2X600-8	ZJP-600/B	2X-70C	——	600	2*10^-2	5*10^-1	Ø200	Ø80	7.5	5.5	——
JZP2X150-24	ZJP-150B	ZJP-70	2X-15A	150	1*10^-2	3*10^-1	Ø100	Ø40	3	3	2.2
JZP2X300-42	ZJP-300B	ZJP-70	2X-30A	300	1*10^-2	3*10^-1	Ø150	Ø40	4	1.1	3
JZP2X300-44	ZJP-300B	ZJP-150	2X-70C	300	1*10^-2	3*10^-1	Ø150	Ø80	4	3	5.5
JZP2X600-42	ZJP-600/B	ZJP-150	2X-70C	600	1*10^-2	3*10^-1	Ø200	Ø80	7.5	3	5.5
JZP2X600-45	ZJP-600/B	ZJP-300	2X-70C	600	1*10^-2	3*10^-1	Ø200	Ø80	7.5	4	5.5
JZP2X1200-44	ZJP-1200B	ZJP-300	2X-70C	1200	1*10^-2	3*10^-1	Ø250	Ø80	11	4	5.5

Note:"Ultlmate Partlal Pressure"refers to Michael's vacuum gauge measuring the limit of partial pressure,"Ultimate Total Pressure"refers to full pressure vacuum gauges(such as thermal conductibity gauges)measuring vacuum degree

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