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Mains Units

LWS plunger pump

LWS 3020 S

Part number 6301 0601

  • 11.9Flow, l/min
  • 138Pressure, bar
  • 1750Speed, rpm
  • 3Power, kW

60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Comet LWS pump

Specification

Flow
11.9 l/min
Pressure
138 bar
Speed
1750 rpm
Absorbed power
3 kW
Shaft
Solid, Ø24 mm
Weight
6.1 kg

Data sheet (PDF, Comet)

Kits

Plungers1

Part numberDescriptionPer pumpSuppliers
2409.0072Plunger kit1 

Water seals1

Part numberDescriptionPer pumpSuppliers
5019.0037Water seal kit1 

Oil seals2

Part numberDescriptionPer pumpSuppliers
5019.0040Oil seal kit1 
5019.0041Oil seal kit1 

Valves1

Part numberDescriptionPer pumpSuppliers
5025.0011Valve kit1 

Other kits5

Part numberDescriptionPer pumpSuppliers
6301.03036301 2002 
6301.04076301 1500 
6301.16006301 0602 
6301.2000LWS 3022G 
6301.20036301 2100 

Exploded view

Comet exploded view of the LWS pump, with position numbers
Comet's drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

Parts list

Positions are the balloon numbers on Comet's exploded view.

PosPart numberDescriptionQty
1 2811.0084 Washer Ø16,7x22x1,51
2 3200.0007 Plug G3/8”1
3 3202.0015 Plug G1/2”1
4 2811.0086 Washer Ø21,2x27x1,51
5 3218.0318 Brass Pump Manifold Ø181
6 3609.0108 Screw M6x558
7 3202.0018 Cap G1/8”1
8 1220.0030 Suct./Del. Valve Ass.y kit6
9 1210.0046 O-Ring Ø2,62x17,136
10 3009.0087 Suct./Del. Valve Seat6
11 3604.0017 Suct./Del. Valve6
12 1802.0177 Suct./Del. Valve Spring6
13 1205.0025 Suct./Del. Valve Cage6
14 3202.0312 Cap + O-Ring6
15 1210.0048 O-Ring Ø2,62x20,246
16 3609.0088 Screw M5x103
17 1004.0012 Crankcase Flange1
18 0402.0360 Cover1
19 1210.0386 O-Ring Ø3,53x44,041
20 3019.0011 Outer Seeger1
21 0438.0066 Ball Bearing Ø20x52x151
22 0403.0128 Pump Crankcase1
23 3200.0051 Oil Dipstick1
24 0600.0048 Special Bolt3
25 2811.0080 Washer Ø8,2x14x1,53
26 0202.0018 Ceramic Bushing Ø183
27 2812.0038 Washer3
28 1210.0055 O-Ring Ø1,78x6,073
29 2409.0044 Piston Guides3
30 3011.0014 Gudgeon Pin3
31 0205.0048 Con. Rod Assembly3
32 3019.0033 Outer Seeger Ø281
33 3201.0026 Oil Indicator1
34 1210.0451 O-Ring Ø2x241
35 1210.0621 O-Ring Ø3x941
36 0402.0142 Crankcase Cover1
37 3609.0041 Screw M6x254
38 1210.0441 O-Ring Ø2x141
39 3200.0007 Plug G3/8”1
40 0019.0095 Oil Seal Ø15x24x53
41 1210.0223 O-Ring Ø1,78x26,73
42 0009.0197 Packing Retainer Ø183
43 1241.0028 Packing Ø183
44 1241.0022 Packing Ø183
45 0009.0193 Packing Head Ring Ø183
50 0001.0333 Throughshaft Ø241
51 1602.0045 Key 8x7x251
52 0438.0075 Ball Bearing Ø25x62x171
53 3020.0012 Inner Seeger1
54 3019.0006 Outer Seeger1
55 0019.0094 Oil Seal Ø25x62x10/71
60 0001.0338 Hollow Shaft Ø1
60 0001.0381 Throughshaft Ø241
61 0438.0015 Ball Bearing Ø35x62x141
62 2812.0064 Spacer1
63 3020.0012 Inner Seeger Ø621
64 3019.0004 Outer Seeger Ø351
65 0019.0075 Oil Seal Ø35x62x71
66 3607.0200 Screw 3/8”16 UNCx3/4”4
67 3016.0016 Flange NEMA1
68 3609.0032 Screw M6x204
70 0001.0440 Hollow Shaft Ø1
70 0001.0441 Hollow Shaft Ø1
70 0001.0439 Hollow Shaft Ø1
71 0438.0015 Ball Bearing Ø35x62x141
72 2812.0064 Spacer1
72 2812.0064 Spacer1
73 3020.0012 Inner Seeger Ø621
73 3020.0012 Inner Seeger Ø621
74 3019.0004 Outer Seeger Ø351
74 3019.0004 Outer Seeger Ø351
75 0019.0075 Oil Seal Ø35x62x71
75 0019.0075 Oil Seal Ø35x62x71
76 3607.0200 Hexagonal Screw 3/8”16 UNCx3/4”4
76 3609.0005 Hexagonal Screw M8x204
77 3609.0032 Screw M6x204
78 3016.0040 Flange for1

Motor

Rated at 1750 rpm, the speed of a 4-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 3 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 100b4 31440IEC 100IE36.8  
RN 100b4 31420IEC 100IE16.4  
RNM 100c4 31410IEC 100Single-phase17 at 230 V  
RNM 112c4 31415IEC 112Single-phase18.5 at 230 V  

The contactor and overload relay for each motor are on the motor's page.

Flange

The flange bolts the pump to the face of the motor. It depends on the motor's IEC frame.

  • IEC 100, 28 mm shaft (RNE 100b4, RN 100b4, RNM 100c4) No Comet flange listed for this motor.
  • IEC 112, 28 mm shaft (RNM 112c4) No Comet flange listed for this motor.

Coupling

The flexible coupling joins the motor shaft to the pump shaft inside the flange.

  • IEC 100, 28 mm motor shaft No Comet coupling listed: you need one for a 28 mm motor shaft to 24 mm pump shaft.
  • IEC 112, 28 mm motor shaft No Comet coupling listed: you need one for a 28 mm motor shaft to 24 mm pump shaft.

Other Comet LWS pumps

LWS 0609 ELWS 0609 SLWS 1209 ELWS 1209 SLWS 1809 ELWS 1809 SLWS 2015 ELWS 2020 ELWS 2020 SLWS 3010 ELWS 3015 SLWS 3020 ELWS 3022 GLWS 3022 GLWS 3025 GLWS 3025 SLWS 3514 GLWS 3520 ELWS 3520 GLWS 3525 GLWS 3525 SLWS 4020 S