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Mains Units

LWS plunger pump

LWS 1209 S

Part number 6301 2500

  • 4.5Flow, l/min
  • 60Pressure, bar
  • 1750Speed, rpm
  • 0.5Power, 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
4.5 l/min
Pressure
60 bar
Speed
1750 rpm
Absorbed power
0.5 kW
Shaft
Solid, Ø24 mm
Weight
6.1 kg

Data sheet (PDF, Comet)

Kits

Plungers1

Part numberDescriptionPer pumpSuppliers
2409.0071Plunger kit1 

Water seals1

Part numberDescriptionPer pumpSuppliers
5019.0035Water seal kit1 

Valves1

Part numberDescriptionPer pumpSuppliers
5026.0357Valve kit1 

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 3218.0359 Brass Pump Manifold Ø151
2 3202.0018 Cap G1/81
3 3609.0108 Screw M6x558
4 1210.0049 O-Ring Ø1,78x12,426
5 3009.0170 Suct./Del. Valve Seat6
6 3604.0028 Suct./Del. Valve6
7 1802.0227 Suct./Del. Valve Spring6
8 1205.0037 Suct./Del. Valve Cage6
9 1220.0058 Suct./Del. Valve Ass.y kit6
9 1220.0030 Suct./Del. Valve Ass.y kit6
10 1210.0151 O-Ring Ø1,78X17,176
11 3202.0311 Cap + O-Ring6
12 3609.0088 Screw M5x103
13 1004.0012 Crankcase Flange1
14 0402.0172 Cover1
15 1210.0386 O-Ring Ø3,53x44,041
16 3019.0011 Outer Seeger1
17 0438.0066 Ball Bearing 20x52x151
18 0403.0128 Pump Crankcase1
19 3200.0051 Oil Dipstick1
20 3019.0033 Outer Seeger Ø281
21 3201.0026 Oil Indicator1
22 1210.0333 O-Ring Ø1,78x23,521
23 1210.0621 O-Ring Ø3,0x941
24 0402.0142 Crankcase Cover1
25 3609.0041 Screw M6x254
26 0205.0048 Con. Rod Assembly3
27 3011.0014 Gudgeon Pin3
28 2409.0044 Piston Guides3
29 1210.0055 O-Ring Ø1,78x6,073
30 2812.0038 Washer3
31 0202.0020 Ceramic Bushing Ø153
32 2811.0080 Washer Ø8,2x14x1,53
33 0600.0048 Special Bolt3
34 1210.0441 O-Ring Ø2x141
35 3200.0007 Plug 3/81
36 0019.0095 Oil Seal 15x24x53
37 1210.0223 O-Ring Ø1,78x26,73
38 3200.0007 Plug 3/81
39 2811.0084 Washer 16,7x22x1,51
40 3200.0007 Plug 3/81
41 2811.0084 Washer 16,7x22x1,51
42 0009.0196 Packing Head Ring Ø153
43 1241.0065 Packing Ø153
44 1241.0030 Packing Ø153
45 0009.0198 Packing Retainer Ø153
46 1201.0168 Flat Gasket1
61 0438.0015 Ball Bearing 35x62x141
62 2812.0064 Spacer1
63 3020.0012 Inner Seeger Ø621
64 3019.0004 Outer Seeger Ø351
65 0019.0075 Oil Seal 35x62x71
66 3607.0020 Hexagonal Screw 3/8”16 UNCx3/4”4
67 3016.0014 Flange NEMA1
68 3609.0032 Screw M6x204
70 0001.0286 Throughshaft Ø241
71 1602.0045 Key 8x7x251
72 0438.0075 Ball Bearing 25x62x171
73 3020.0012 Inner Seeger1
74 3019.0006 Outer Seeger1
75 0019.0094 Oil Seal Ø25x62x10/71
80 0001.0519 Hollow Shaft Ø3/4”1
81 0438.0015 Ball Bearing 35x62x141
82 2812.0064 Spacer1
83 3020.0012 Inner Seeger Ø621
84 3019.0004 Outer Seeger Ø351
85 0019.0075 Oil Seal Ø35x62x71
86 3016.0016 Flange NEMA1
87 3609.0032 Screw M6x204
88 3607.0020 Hexagonal Screw 3/8”16 UNCx3/4”4

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 0.5 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RN 80a4 0.551420IEC 80IE11.5  
RN 71c4 uprated 0.551370IEC 71IE11.7  
RNM 71c4 0.551390IEC 71Single-phase5.2 at 230 V  
RNM 80a4 0.551420IEC 80Single-phase4.8 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 71, 14 mm shaft (RN 71c4, RNM 71c4) No Comet flange listed for this motor.
  • IEC 80, 19 mm shaft (RN 80a4, RNM 80a4) No Comet flange listed for this motor.

Coupling

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

  • IEC 71, 14 mm motor shaft No Comet coupling listed: you need one for a 14 mm motor shaft to 24 mm pump shaft.
  • IEC 80, 19 mm motor shaft No Comet coupling listed: you need one for a 19 mm motor shaft to 24 mm pump shaft.

Other Comet LWS pumps

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