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Grundfos CR Series Service Instructions

Grundfos CR Series
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English (GB)
17
7. Additional information
7.1 Torques
7.2 Lubricants
Pos. Description Dimensions Torque [Nm]
7a Coupling-guard screws M5 4
9 Coupling screws
M10 85
M16 100
18 Vent screw 1/2" 35
19 Plug 1/2" 35
25 Plug 1/2" 35
26b Screws for straps M8 22
36 Staybolt nuts
M16 (CR, CRN 95, PN 16) 160
M20 (CR, CRN 95, PN 40) 320
M20 (CR, CRN 125/155, PN 16) 190
M20 (CR, CRN 125/155, PN 25/30) 320
M24 (CR, CRN 125/155, PN 25/30/40) 625
M30 (CR, CRN 185/215/255, PN 16) 410
M30 (CR, CRN 185/215/255, PN 25) 710
M30 (CR, CRN 185/215/255, PN 40) 950
36a Motor-stool nuts
M12 40
M16 80
M20 150
48 Split-cone nut
22 shaft (Hex 34) 70
28 shaft (Hex 46) 130
36 shaft (Hex 60) 290
60 Screws for bracket M6 6.5
105 Shaft seal
Hex 60 100
Hex 75 150
113 Shaft-seal-set screws M6 x 8 6
120f Nut with left-hand thread
M12 60
M16 140
120l Hexagon-socket head-cap screw
M8 22
M10 43
L Tool for installing neck ring - 15
Pos. Description Lubricant Product no.
9 Hexagon-socket screw
Un Lock 96611372
26 Staybolt
36
Nut
36a
37 O-ring
Rocol Sapphire Aqua-Sil 00RM2924
47a Bearing
109 O-ring for shaft seal (105)
110 O-ring for shaft seal (105)
120c O-ring
120g Stationary ring
120j O-ring

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Grundfos CR Series Specifications

General IconGeneral
TypeCentrifugal pump
MaterialStainless steel
Motor range0.37 kW to 22 kW
ApplicationsWater supply
Impeller MaterialStainless steel
ConnectionsFlanged
Speed2900 rpm
Temperature range-20°C to +120°C (depending on model and material)

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