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Mains Units

LWD plunger pump

LWD 3020 G

Part number 6303 0508

  • 11.3Flow, l/min
  • 138Pressure, bar
  • 3400Speed, rpm
  • 3Power, kW

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

Comet LWD pump

Specification

Flow
11.3 l/min
Pressure
138 bar
Speed
3400 rpm
Absorbed power
3 kW
Shaft
Hollow
Weight
5.9 kg

Data sheet (PDF, Comet)

Kits

Plungers1

Part numberDescriptionPer pumpSuppliers
2409.0071Plunger kit1 

Water seals1

Part numberDescriptionPer pumpSuppliers
5019.0035Water seal kit1 

Oil seals2

Part numberDescriptionPer pumpSuppliers
5019.0040Oil seal kit1 
5019.0041Oil seal kit1 

Valves1

Part numberDescriptionPer pumpSuppliers
5025.0011Valve kit1 

Exploded view

Comet exploded view of the LWD 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 3218.0317 Brass Pump Manifold Ø151
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
22 0403.0540 Pump Crankcase (from serial 48330323)1
23 3200.0051 Oil Dipstick1
24 0600.0048 Special Bolt3
25 2811.0080 Washer Ø8,2x14x1,53
26 0202.0020 Ceramic Bushing Ø153
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 3625.0062 Screw M6x254
38 1210.0157 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 0009.0198 Packing Retainer Ø153
43 1241.0030 Packing Ø153
44 1241.0065 Packing Ø153
45 0009.0196 Packing Head Ring Ø153
50 0001.0286 Throughshaft Ø241
50 0001.0332 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
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 Hexagonal Screw 3/8”16 UNCx3/4”4
67 3016.0016 Flange NEMA1
68 3609.0032 Screw M6x204
70 0001.0451 Hollow Shaft Ø1
71 0438.0015 Ball Bearing Ø35x62x141
72 2812.0064 Spacer1
73 3020.0012 Inner Seeger Ø621
74 3019.0004 Outer Seeger Ø351
75 0019.0075 Oil Seal Ø35x62x71
76 3607.0199 Hexagonal Screw 5/16”24 X 3/4”4
77 3609.0032 Screw M6x204
78 3016.0012 Flange SAE1

Motor

This pump has a hollow shaft. It fits straight onto the shaft of a hollow-shaft motor or engine, so there is no flange or coupling between them. You need a hollow-shaft motor of at least 3 kW.

Flange

None needed: the pump fits straight onto a hollow-shaft motor.

Coupling

None needed: the pump fits straight onto a hollow-shaft motor.

Other Comet LWD pumps

LWD 2015 ELWD 2020 ELWD 2020 GLWD 2520 GLWD 2525 GLWD 3020 ELWD 3025 GLWD 3515 GLWD 3522 ELWD 3522 G