GRUNDFOS DATA BOOKLET CRK 2-18/18 A-W-A-AUUV 3x23/4V 6HZ Grundfos pump 497178 Thank you for your interest in our products. Please contact us for more information, or visit our website https://www.lenntech.com/grundfos/crk2/497178/crk-2-18-18-a-w-a-auuv.html info@lenntech.com tel. +31 152 61 9 fax. +31 152 616 289 BE > THINK > INNOVATE
Position Qty. Description 1 CRK 2-18/18 A-W-A-AUUV Product No.: On request Multistage, immersible, self-priming, centrifugal pump for vertical installation in tanks etc. The pump has the following characteristics: - Installation length according to DIN 544. - Impellers, intermediate chambers and spline shaft are made of Stainless steel. - Mechanical shaft seal according to EN 12756. - Power transmission via cast iron split coupling. The motor is a 3-phase AC motor. Immersion depth: 448 mm Liquid: Pumped liquid: Water Liquid temperature range: -1.. 9 C Liquid temperature during operation: 2 C Density: 998.2 kg/m³ Note! Product picture may differ from actual product Technical: Rated flow: Rated head: Primary shaft seal: Curve tolerance: Materials: Pump head: Impeller: 5 l/min 178.4 m AUUV ISO996:212 3B Cast iron EN-JL13 ASTM A48-3 B Stainless steel DIN W.-Nr. 1.431 AISI 34 Installation: Maximum ambient temperature: 6 C Pipe connection: G 1 1/4 Flange size for motor: FT13 Electrical data: Motor type: IE Efficiency class: Rated power - P2: Power (P2) required by pump: 112MC IE1 - IE2 4 kw 4 kw 1/11
Position Qty. Description Mains frequency: 6 Hz Rated voltage: 3 x 22-277D/38-48Y V Rated current: 13,6-11,8/7,6-6,6 A Starting current: 12-15 % Cos phi - power factor:.9-.82 Rated speed: 351-354 rpm Motor efficiency at full load: 84.5-87.5 % Motor efficiency at 3/4 load: 89 % Motor efficiency at 1/2 load: 87 % Number of poles: 2 Enclosure class (IEC 34-5): 55 Dust/Jetting Insulation class (IEC 85): F Others: Minimum efficiency index, MEI :.7 Net weight: 36.1 kg 2/11
On request CRK 2-18/18 A-W-A-AUUV 6 Hz H [m] CRK 2-18/18, 3*44 V, 6Hz eta [%] 26 24 22 2 18 16 8 14 7 12 6 1 5 8 4 6 3 4 2 2 1 5 1 15 2 25 3 35 4 45 5 55 6 65 7 75 Q [l/min] P [kw] NPSH [m] 4 P1 2 3 P2 15 2 1 1 5 3/11
G 1 1/44 7.5x 18 14 16 448 923 13 1 32 16 134 475 22 Description Value General information: Product name: CRK 2-18/18 A-W-A-AUUV Product No: On request EAN number: On request Technical: Rated flow: 5 l/min Rated head: 178.4 m Stages: 18 Impellers: 18 Primary shaft seal: AUUV Curve tolerance: ISO996:212 3B Pump version: A Model: C Materials: Pump head: Cast iron EN-JL13 ASTM A48-3 B Impeller: Stainless steel DIN W.-Nr. 1.431 AISI 34 Material code: A Installation: Maximum ambient temperature: 6 C Pipe connection: G 1 1/4 Flange size for motor: FT13 Connect code: W Liquid: Pumped liquid: Water Liquid temperature range: -1.. 9 C H [m] 26 24 22 2 18 16 14 12 1 8 6 4 2 CRK 2-18/18, 3*44 V, 6Hz 1 2 3 4 5 6 P [kw] 4 3 2 1 Q [l/min] P1 P2 eta [%] 8 7 6 5 4 3 2 1 2 15 1 5 NPSH [m] Liquid temperature during operation: 2 C Density: 998.2 kg/m³ Electrical data: Motor type: 112MC IE Efficiency class: IE1 - IE2 Rated power - P2: 4 kw Power (P2) required by pump: 4 kw Mains frequency: 6 Hz Rated voltage: 3 x 22-277D/38-48Y V Rated current: 13,6-11,8/7,6-6,6 A Starting current: 12-15 % Cos phi - power factor:.9-.82 Rated speed: 351-354 rpm Motor efficiency at full load: 84.5-87.5 % Motor efficiency at 3/4 load: 89 % Motor efficiency at 1/2 load: 87 % Number of poles: 2 Enclosure class (IEC 34-5): 55 Dust/Jetting Insulation class (IEC 85): F Motor protec: PTC Motor No: 85D5413 Others: Minimum efficiency index, MEI :.7 Net weight: 36.1 kg 475 448 16 22 923 13 14 16 18 32 4 x 7.5 +T +T +T G 1 1/4 134 1 TO AMPLIFIER RELAY +T TO AMPLIFIER RELAY L1 L2 L3 +T +T L1 L2 L3 IEC TP211 THERMALLY PROTECTED WHEN THE THERMISTORS ARE CONNECTED TO AMPLIFIER RELAY FOR CONTROL OF MAIN SUPPLY THERMISTORS PTC ACCORDING TO DIN 4482 4/11
On request CRK 2-18/18 A-W-A-AUUV 6 Hz cos phi eta CRK2-18/18 + 112MC 4 kw 3*44 V, 5 Hz I [A] cos eta phi I.8 8.6 6.4 4.2 2..5 1. 1.5 2. 2.5 3. 3.5 4. 4.5 5. n [rpm] P1 P2 [kw] P1 [kw] n 34 5. 32 4. 3 3. 28 2. 26 1. 24. 5/11
On request CRK 2-18/18 A-W-A-AUUV 6 Hz 22 475 134 16 923 13 1 32 4 x 7.5 G 1 1/4 448 14 16 18 Note! All units are in [mm] unless others are stated. Disclaimer: This simplified dimensional drawing does not show all details. 6/11
Exploded view 251a 251d 77 28 7 7a 17 31a 219 92 31a 11 9 92 51 11b 15 1 215a 215 66a 67 49 45 18 53a 53 215a 217 531a 534 531 534a 6 7/11
Sectional drawing (TM582 for TPE2,TPE3) 5 4 3 2 1 TM582 8/11
Exploded view ( TM5726 for MGE model H/I ) 251d 251b 291 29 293 287 287a 52 277a 273b 277 252a 286 273a 273 275a 266 268 268a 289a 289 251a 288b 288 288a 252b 159e 157 158 15 156c 156 151 152 172 154 185 178 156d 187 153 188 191 156c 156b 192 159d 9/11
Parts list CRK 2-18/18, Product No. On request Valid from 28.9.212 (1239) Pos Description Annotation Données de classification Référence Quantité Unité - Pump w/o motor 1 pcs + 2 Pump head 1 2k Adapter flange 1-4 Intermediate chamber cpl. 16 Intermediate chamber 1 45 Neck ring 1 65 Retainer 1-4a Intermediate chamber cpl. 2 Intermediate chamber 1 45 Neck ring 1 65 Retainer 1-5a Chamber, bottom 1 3a Intermediate chamber 1 7 Coupling guard 2 7a Pan head screw 4 9 Hex socket head cap screw Designation: DIN 912 4 Length (mm): 25 Thread: M8 1 Shaft pin Diameter: 5 1 Length (mm): 26 1a Coupling half 2 26 Strap cpl. 4 28 Hex head screw Length (mm): 2 4 Thread: M8 36 Lock nut 4 37 O-ring 1 37.a O-ring 1 47a Bearing ring, rotating Internal diameter: 13. 2 Outer diameter: 15.2 Length (mm): 9. Material type: TUNGSTEN CARBIDE 49 Impeller cpl. 17 49.d Impeller cpl. 1-51 Pump shaft cpl. Diameter: 12 1 Length (mm): 473MM Pump shaft 1 62 Retaining ring 1 61 Spacer for shaft seal 1 64 Spacing pipe Internal diameter: 12,7 15 Outer diameter: 15, Length (mm): 17, 64.c Spacing pipe Internal diameter: 12,7 1 Outer diameter: 15 Length (mm): 4,15 64a Spacing pipe Internal diameter: 12,7 2 Outer diameter: 15, Length (mm): 7,3 66 Wedge lock washer 1 66a Washer Internal diameter: 1,5 4 Outer diameter: 21 Thickness: 2, 67 Lock nut Designation: A2 DIN985 1 Thread: M8 69a Spacing pipe Internal diameter: 12,7 1 Outer diameter: 15 Length (mm): 4,5 76 Nameplate 1 76a Rivet 2 84 Strainer 1 1/11
Pos Description Annotation Données de classification Référence Quantité Unité 84.b Combi Slot Torx screw 1 84c Disc spring 1 15 Shaft seal Material type: AUUV 1 121 Retainer for strainer 1-122 Priming screw 1 Priming screw 1 Spacer 1 + Motor 1 pcs 11/11
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