BUSCH COBRA DS 0160 G Installation And Maintenance Instructions Manual Download Page 25

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Technical data

Technical data

DS 0080 G

DS 0160 G

DS 0700 G

Nominal suction capacity

50 Hz
60 Hz

/h (cfm)

70 (40)
85 (50)

140 (82)
160 (93)

500 (290)
610 (354)

Ultimate pressure

Torr

mbar

2.25 x 10

-2

3 x 10

-2

2.25 x 10

-2

3 x 10

-2

2.25 x 10

-3

3 x 10

-3

Nominal motor rating

50 Hz
60 Hz

kW
kW

4.0
4.4

5.5
6.6

4.0
4.4

Nominal motor rating

50 Hz
60 Hz

kW
kW

4.0
4.4

Power at ultimate pressure

50 Hz

60 Hz

2.6

3.2

4.3

5.2

3.0

3.6

Nominal motor speed

50 Hz
60 Hz

min

-1

min

-1

3000
3600

Nominal motor speed

50 Hz
60 Hz

min

-1

min

-1

3000
3600

Noise level (EN ISO 2151)*

50 Hz
60 Hz

dB(A)
dB(A)

Ambient temperature

°C
°F

0 - 40
32 - 104

Maximal counter pressure

Discharge

bar

0.2

Cooling water requirement

l/ min

4-5

5-6

Cooling water pressure

bar

2-5

Nitrogen requirement

approx.

l/ min

0-75

Nitrogen overpressure

bar

1.5

Weight

approx.

276

338

445

* with silencer at exhaust

Technical data

DS 1000 G

DS 2000 G

Nominal suction capacity

50 Hz
60 Hz

/h (cfm)

775 (447)
960 (565)

1365 (790)
1640 (950)

Ultimate pressure

mbar

Torr

2.25 x 10

-3

3 x 10

-3

2.25 x 10

-3

3 x 10

-3

Nominal motor rating

50 Hz
60 Hz

kW
kW

4.0
4.4

5.5
6.6

Nominal motor rating

50 Hz
60 Hz

kW
kW

4.0
4.4

5.5
6.6

Power at ultimate pressure

50 Hz
60 Hz

3.3

4.0

5.6

6.8

Nominal motor speed

50 Hz
60 Hz

min

-1

min

-1

3000
3600

Nominal motor speed

50 Hz
60 Hz

min

-1

min

-1

3000
3600

Noise level (EN ISO 2151)

50 Hz
60 Hz

dB(A)
dB(A)

Ambient temperature

°F

°C

0 - 40
32 - 104

Maximale counter pressure

Discharge

bar

0.2

Cooling water requirement

l/ min

5-6

Cooling water pressure

bar

2-5

Nitrogen requirement

approx.

l/ min

0-75

Nitrogen overpressure

bar

1.5

Weight

approx.

576

668

* with silencer at exhaust

DS 0080-2000 G

Technical data

0870772712 (En)

Page 25

Summary of Contents for COBRA DS 0160 G

Page 1: ...structions Screw Vacuum Pumps COBRA DS 0080 2000 G Busch Manufacturing Korea Ltd 189 51 Soicheon ro Majang myun Icheon si Gyunggi do 467 813 Republic of Korea 0870772712 181024 Original instructions S...

Page 2: ...fety Lockout procedure 19 Checking the oil 19 Checking the oil level 19 Refilling oil 19 Checking the colour of the oil 20 Oil change 20 Draining used oil 20 Filling in new oil 20 Checking the cooling...

Page 3: ...lts PMR Unblocking for screw OSG1 Oil sight glass OFP Oil filler plug ODP Oil drain plug NC Nitrogen connections CWC Cooling water connections EV Expansion vessel CWR Cooling water regulating valve CW...

Page 4: ...DS 0080 2000 G Page 4 0870772712 En CWM CLD CWR PSA OSG 2 ODP TV DGF DGR 1 DGR 2 TS EV OFP...

Page 5: ...or screw OSG1 Oil sight glass DP OSG2 Oil sight glass MB OFP Oil filler plug ODP Oil drain plug NC Nitrogen connections CWC Cooling water connections CWR Cooling water regulating valve CWM Cooling wat...

Page 6: ...DS 80 2000 G Page 6 0870772712 En OUT OFP PS OSG 4 CWR OFP PSA CLD OSG 2 ODP CWM TV DGF DGR 1 DGR 2 TS ODP...

Page 7: ...ng for screw OSG1 Oil sight glass DP OSG2 Oil sight glass MB OFP Oil filler plug ODP Oil drain plug NC Nitrogen connections CWC Cooling water connections CWR Cooling water regulating valve CWM Cooling...

Page 8: ...DS 0080 2000 G Page 8 0870772712 En OFP PS OSG 4 OFP CWR CLD OSG 2 ODP ODP TS DGR 1 DGR 2 DGF CWM TV PSA...

Page 9: ...of startings per hour 6 Operating principle The COBRA DS 0080 2000 G vacuum pumps are COBRA NS screw vacuum pumps with cooling water and nitrogen circuits The COBRA NS screw vacuum pumps are driven by...

Page 10: ...dispatched without oil and cooling liquid without cooling water Before vacuum pump first startup control the oil level and the cooling liquid level Operation without these coolants can result in dama...

Page 11: ...and safety regulations Nevertheless an element of residual risk remains Various safety instructions are to be found in this handbook and on the pump These instructions must be followed You can recogni...

Page 12: ...e abbreviation for volatile corrosion inhibitor The VCI molecule is an organic corrosion inhibitor in the vapour phase Integrated in various carriers such as film cardboard paper foam liquid and powde...

Page 13: ...vacuum pump in the case of a smaller cross section l Make sure that the vacuum pump is connected with leakproof lines CAUTION When the intake lines have been connected make sure that the system does n...

Page 14: ...all the pump at its final installation site Electrical connection WARNING Risk of electrocution risk of damage Electrical installation must be performed by a suitably qualified electrician who knows a...

Page 15: ...safeguards and similar covers are mounted l Make sure that the inlet and outlet for the cooling air are not cove red or closed and that the flow of cooling air is not impaired in any way Oil filling...

Page 16: ...izontal position when it has been filled with oil Filling in cooling liquid The COBRA DS 0080 2000 G vacuum pumps are generally dispatched with cooling liquid already in the vacuum pump Before vacuum...

Page 17: ...ntended for use in a potentially non explosive environment Max permissible number of startings per hour 6 As far as temperature is concerned the pump is suitable for continuous duty at any pressure be...

Page 18: ...l Shut off the nitrogen supply l Shut off the cooling water supply If the system is equipped with a solenoid gate valve in the cooling water circuit u Close the solenoid gate valve l Make sure that th...

Page 19: ...an if necessary l Check the measuring and safety equipment for working order If the discharge is equipped with a sound absorber u Clean the sound absorber If the discharge is equipped with a leak prot...

Page 20: ...than 20 minutes before the oil is drained l Make sure that the vacuum pump is switched off and cannot acci dentally be switched on again l Make sure that the vacuum pump is vented to atmospheric pres...

Page 21: ...rly Replace it if necessary l Screw on the drain plug CLD again l Screw purge valve CLV and drain plug CLD l Dispose of the used cooling liquid according to applicable environ mental protection regula...

Page 22: ...ive tapes have been removed l Switch on the vacuum pump by following the procedure described in the chapter Installation and start up Dismantling and disposal DANGER If the vacuum pump has pumped gase...

Page 23: ...onal injury Oil quantity The quantity of oil specified in the following table is of informative nature only Check the oil level with the help of the various oil sight glasses on the vacuum pump Pump t...

Page 24: ...f informative nature only Respect the procedure of filling the cooling liquid Quantity Zitrec M 25 already mixed ready to use DS 0080 2000 G 4 litres CAUTION The proportion of pure glycol and water fo...

Page 25: ...ment approx l min 0 75 0 75 0 75 Nitrogen overpressure bar 1 5 1 5 1 5 Weight approx kg 276 338 445 with silencer at exhaust Technical data DS 1000 G DS 2000 G Nominal suction capacity 50 Hz 60 Hz m3...

Page 26: ......

Page 27: ...ical and electronic equipment and following the standards Standard Title of the standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2008 Safety of m...

Page 28: ...Majang myun Icheon si Gyunggi do 467 813 Republic of Korea Phone 82 31 645 2700 Fax 82 31 631 2898 e mail busch busch co kr Malaysia Busch Malaysia Sdn Bhd 4 6 Jalan Taboh 33 22 Seksyen 33 Shah Alam T...

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