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The unit is used for vacuum smelting, welding, drying, chemical and pharmaceutical industries, power vacuum devices and other industries as vacuum pumping. The working pressure of the unit is 133pa-5pa, and the limit vacuum that can be reached is 5pa. It has the characteristics of quick start, high pumping speed, stable performance and simple operation.

 

The unit is a Roots vacuum pump pumping unit, which takes roots pump as the main pump and rotary vane vacuum pump as the front pump. A electromagnetic vacuum charging valve is connected in series between the front stage pump and the main pump, which is opened and closed with the switch of the front stage pump. The electric contact vacuum switch is installed at the air inlet of the unit, so as to accurately observe the residual gas condition of the equipment or container being pumped and control the startup of roots pump.

 

Technical parameters of CZ series vacuum pumping unit

 

 

 

Model

Company

CZ-30

 

CZ-70

 

CZ-150

 

CZ-300

 

CZ-600

 

CZ-1000

 

Extraction rate L / S

 

Thirty

 

Seventy

 

One hundred and fifty

 

Three hundred

 

Six hundred

 

One thousand

 

Limit vacuum pa

 

Less than 5

 

Less than 5

 

Less than 5

 

Less than 5

 

Less than 5

 

Less than 5

 

Exhaust series

 

Two

 

Two

 

Two

 

Two

 

Two

 

Two

 

Roots pump model

 

ZJ-30

 

ZJ-70

 

ZJ-150

 

ZJ-300

 

ZJ-600

 

ZJ-1000

 

Model of front stage pump

 

2 x -8

 

2 x -15

 

2 x -30

 

2 x -30

 

2 x -70

 

2 x -150

 

Matching power kw

 

One point six

 

Four

 

Six point five

 

Seven

 

Eleven

 

Eighteen point five

 

Boundary dimension mm

 

900×600×1250

 

1050×630×1480

 

1300×660×1580

 

1300×660×1580

 

1300×1050×1800

 

1550×1080×1900

 

Weight kg

 

Two hundred and ninety

 

Four hundred and eighty

 

Six hundred and fifty

 

Nine hundred and sixty

 

One thousand two hundred and fifty

 

One thousand five hundred and sixty