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Installation | 5

Instruction Manual DOLPHIN LG 0890-2680 A, LR 0700-2200 A_EN_en

13 | 40

5.2.3

Operating Liquid Connection

G (SSI)

F (OPI)

J (ADV)

Description

Operating liquid inlet (OPI)

Shaft seal flush connection (SSI)

Clean and drain connection

Stuffing box drain plug

Automatic drain valve (ADV)

Casing drain plugs

Connection sizes:

Machine type

LG 0890 A

G2"

G1"

G1½"

G¾"

G1"

G¾"

LG 1200 A

DN 65 PN 10

DN 25 PN 10

G1½"

G¾"

G1"

G¾"

LG 1910 A

DN 80 PN 10

DN 25 PN 10

G2"

G¾"

G1"

G¾"

LG 2680 A

DN 80 PN 10

DN 25 PN 10

G1½"

G¾"

G1"

G¾"

LR 0700 A

DN 50 PN 10

DN 20 PN 10

G1½"

G¾"

G1"

G¾"

LR 1190 A

DN 65 PN 10

DN 25 PN 10

G1½"

G¾"

G1"

G¾"

LR 1560 A

DN 80 PN 10

DN 25 PN 10

G2"

G¾"

G1"

G¾"

LR 2200 A

DN 80 PN 10

DN 25 PN 10

G1½"

G¾"

G1"

G¾"

●

Make sure that the operating liquid complies with the requirements, see

Operating Liquid Settings

[

➔

14].

Содержание DOLPHIN LG

Страница 1: ...truction manuals service kits DOLPHIN LG LR Liquid Ring Vacuum Pumps LG 0890 A LG 1200 A LG 1910 A LG 2680 A LR 0700 A LR 1190 A LR 1560 A LR 2200 A Instruction Manual 0870231039 0001_en US Original i...

Страница 2: ...onnecting Lines Pipes 11 5 2 1 Suction Connection 12 5 2 2 Discharge Connection 12 5 2 3 Operating Liquid Connection 13 5 3 Operating Liquid Settings 14 5 4 Fitting the Coupling 17 6 Electrical Connec...

Страница 3: ...cording to state of the art methods Never theless residual risks may remain as described in the following chapters and in accordance with the chapter Intended Use 7 This instruction manual highlights...

Страница 4: ...ons AOUT Alternative side discharge connections IDS Integral discharge separator IN Suction connection MTB Motor terminal box OPI Operating liquid inlet OPO Operating liquid outlet OUT Discharge conne...

Страница 5: ...Gland packing drain GV Vacuum gauge HX Heat exchanger ICV Inlet check valve IDS Integral discharge separator IN Inlet LLI Liquid level indicator MKU Makeup OPC Operating liquid control OPD Operating...

Страница 6: ...ngement where gas and water leave from the side flange of the vacuum pump and discharge directly into the gutter NOTICE If applying the configuration shown in figure 4 The discharge pressure will rise...

Страница 7: ...in compressed and expelled 2 3 Intended Use WARNING In case of foreseeable misuse outside the intended use of the machine Risk of injuries Risk of damages to the machine Risk of damages to the environ...

Страница 8: ...The control of the machine is to be provided in the course of installation 2 5 Variants 2 5 1 LG Series DOLPHIN LG s are single stage vacuum pumps and operate from atmospheric pressure to 160 hPa mba...

Страница 9: ...loads The crane and slings must be capable of lifting the weight of the pump To find out the weight of the machine refer to the chapter Technical Data 32 or the name plate NP Use appropriate slings Ge...

Страница 10: ...a temporary mark on the shaft to assist Replace the coupling guard taking care to align correctly and ensure that all fasteners are re placed and fully tightened Where shaft seal is gland packing loo...

Страница 11: ...ly in any other way Make sure that enough space remains for maintenance work Make sure that the machine is placed or mounted horizontally on a flat surface Make sure that the machine is connected to a...

Страница 12: ...nection NOTICE Discharge gas flow obstructed Risk of damage to the machine Make sure that the discharged gas will flow without obstruction Do not shut off or throttle the discharge line or use it as a...

Страница 13: ...DV K Casing drain plugs Connection sizes Machine type F G H I J K LG 0890 A G2 G1 G1 G G1 G LG 1200 A DN 65 PN 10 DN 25 PN 10 G1 G G1 G LG 1910 A DN 80 PN 10 DN 25 PN 10 G2 G G1 G LG 2680 A DN 80 PN 1...

Страница 14: ...14 5 11 2 12 5 9 9 11 5 10 8 14 7 10 3 14 2 9 2 12 6 8 1 11 2 7 2 9 9 7 5 10 8 6 7 10 3 5 9 9 2 5 3 8 1 4 7 7 2 LG 1200 A Speed r min 200 mbar m h 200 400 mbar m h 400 600 mbar m h 600 mbar m h 420 37...

Страница 15: ...4 12 1 13 8 10 9 12 4 14 1 19 2 12 5 17 1 11 1 15 2 9 9 13 4 8 9 12 1 7 9 10 9 9 0 14 1 7 9 12 5 7 1 11 7 5 9 9 9 5 7 8 9 5 1 7 9 LR 1560 A Speed r min 200 mbar m h 200 400 mbar m h 400 600 mbar m h...

Страница 16: ...ry The table below lists the recommended maximum levels of soluble compounds for use with ma chine in cast iron construction Calcium carbonate mg l ppm 300 PH value 6 5 9 5 Chloride mg l ppm 700 Sulph...

Страница 17: ...a machine supplied without a motor Fit a suitable coupling that matches the machine and motor shaft size Make sure that the coupling is sized to withstand the full motor torque Make sure that the coup...

Страница 18: ...that the EMC of the machine is compliant with the requirements of your supply net work system if necessary provide further interference suppression EMC of the machine see EU Declaration of Conformity...

Страница 19: ...ockable disconnect switch provide it on the power line so that the machine is completely secured during maintenance tasks Provide an overload protection according to EN 60204 1 Connect the protective...

Страница 20: ...he motor is defined by the illustration below Watch the fan wheel of the motor and determine the direction of rotation just before the fan wheel stops If the rotation of the motor must be changed Swit...

Страница 21: ...shaft sealing loosen the packing gland plate and apply a few drops of oil to the packing for lubricating purpose Ensure external shaft sealing liquid is available to packing gland or double cartridge...

Страница 22: ...directions Instead the inflowing liquid hits the surface with high speed This causes erosion which can destroy the machine rapidly The formation of bubbles also deteriorates the pump performance Cavi...

Страница 23: ...sk of poisoning Risk of infection If the machine is contaminated with hazardous material Wear appropriate personal protective equipment CAUTION Hot surface Risk of burns Prior to any action requiring...

Страница 24: ...ation is high in chapter Troubleshooting 28 Check the operating liquid temperature see Operating Liq uid Connection 13 Check the machine for liquid leaks in case of leaks have the machine repaired con...

Страница 25: ...ciency Any dismantling of the machine that goes beyond anything that is described in this manual should be done by Busch authorized technicians In case of the machine having conveyed gas that was cont...

Страница 26: ...to any action requiring touching the machine let the machine cool down first Shut down the machine and lock against inadvertent start up Disconnect the power supply Vent the connected lines to atmosph...

Страница 27: ...flexible valve plates 2 x 205mm x 5 7mm O rings 0993 700 534 Service kit for LG 1200 A LR 1190 A Intended for standard applications 1 x V 170S V ring 2 x V 190S V rings 2 x 28mm ball valves 2 x flexi...

Страница 28: ...iquid The motor is defective Replace the motor Water level too high inside when starting Start with the water level specified Packing gland too tight Loosen the gland adequate ly Belt too tight Loosen...

Страница 29: ...operating liquid The mechanical seal leaks Repair the machine contact Busch Partial clogging in the suction discharge or pressure line Remove the blockage If an inlet screen is installed it can be pa...

Страница 30: ...e pair it if necessary Belts loose Tighten the belts Suction and discharge piping is too thin Use thicker piping The machine runs too hot Insufficient air ventilation Make sure that the cooling of the...

Страница 31: ...2680 A LR 0700 2200 A_EN_en 31 40 Problem Possible Cause Remedy Vibration is high Loose contact between the baseplate and the foundation or the anchor bolts are loose Fill the space with concrete tig...

Страница 32: ...speed min 1 330 372 420 472 490 266 298 330 372 420 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturat...

Страница 33: ...n 1 236 266 298 330 372 398 197 210 236 266 298 330 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturate...

Страница 34: ...1 330 372 420 472 490 266 298 330 372 420 472 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturated 100...

Страница 35: ...1 236 266 298 330 372 398 210 236 266 298 330 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturated 100...

Страница 36: ...tain hazardous substances in electrical and electronic equipment incl all related applicable amend ments and comply ies with the following designated standards that have been used to fulfill those pro...

Страница 37: ...tion of the use of certain hazardous substances in Electrical and Electronic Equipment Regulations 2021 and comply ies with the following designated standards that have been used to fulfill those prov...

Страница 38: ...38 40 Instruction Manual DOLPHIN LG 0890 2680 A LR 0700 2200 A_EN_en Notes...

Страница 39: ...Instruction Manual DOLPHIN LG 0890 2680 A LR 0700 2200 A_EN_en 39 40...

Страница 40: ...esence In every country highly competent local personnel delivers custom tailored support backed by a global network of expertise Wherever you are Whatever your business We are there for you Local rep...

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