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Magnetically coupled plastic centrifugal pump GP 50/25


Product and Performance

GP 50/25 GP 50/25 

Flow Rate Delivery Head
31.2 l/min 0 m
28.7 l/min 10 m
25 l/min 20 m
21.2 l/min 30 m
15 l/min 40 m
8.7 l/min 50 m
2 l/min 60 m
0 l/min 62.5 m
Die Leistungskurve wurde mit Wasser bei 20° ermittelt [TRANSLATE]

Technical Data

Flow Rate 61,5 l/min (50Hz)
Delivery Head 31,5 m (50Hz)
Temperature Range -20…+85°C (PP)
Max. Specific Gravity 1,0 Kg/dm3 @ max. 30 mPa s
Pump Casing Pressure 2 bar
Pump Casing Material PP
Impeller PP
Spindle Material Messing (brass)
O-Ring NBR alternativ EPDM, VITON
Motor 230 V, 1 Ph, 50 Hz 230 V, 1 Ph, 60 Hz 415 V, 3 Ph, 50 Hz
IP Protection IP 55
Total Weight 10,1 kg

Dimensions and component parts

GP 50/25 GP 50/25

Component Parts

Pos. Type Description Quantity Articlel No Remark
1 GP 50/25 Motor 1 008825 230V 1Ph 50Hz
1 GP 50/25 Motor 1 008826 400V 3Ph 50Hz
2 GP 50/25 Laterne 1 018381
3 GP 50/25 Schraube 6 031540
4 GP 50/25 Antriebsmagnet 1 008646
5 GP 50/7 Support Plate 1 008352
6 GP 50/25 O-Ring 1 008277 EPDM
6 GP 50/25 O-Ring 1 008235 Viton
7 GP 50/25 D Washer 1 008298
8 GP 50/25 Mutter 6 001568
9 GP 50/25 Pumpengehäuse 1 028327
10 GP 50/25 O-Ring 2 031546 EPDM
10 GP 50/25 O-Ring 2 031548 Viton
10 GP 50/25 O-Ring 2 031542 Nitrile
11 GP 50/25 Spindel 1 036382 Messing (brass)
12 GP 50/25 Stufengehäuse 1 028330
13 GP 50/25 Flügelrad Stufe 3 1 038664
14 GP 50/25 Zwischenstufe 2 028328
15 GP 50/25 O-Ring 2 031547 EPDM
15 GP 50/25 O-Ring 2 031549 Viton
15 GP 50/25 O-Ring 2 031543 Nitrile
16 GP 50/25 Stufenelement 2 028329
17 GP 50/25 Flügelrad Stufe 1 & 2 2 028331
18 GP 50/25 Führungslager 1 028325
19 GP 50/25 D-Scheibe 1 008298
20 GP 50/25 Pumpendeckel 1 028326
21 GP 50/25 Scheibe 6 001567
22 GP 50/25 Schraube 6 031535

Article numbers

The part numbers listed are the actual, that have changed in the past several times. When ordering spare parts, the located on the nameplate of the pump Item Number and Serial Number specify.

GP Artikel-Nr.

GPR 10/15: 416992,, 216992
GP 20/12: 486985, 476975, 486900, 446991, 466975H, 456992, 426924, 466902, 466975, 466975W, 416948H, 446918, 426905, 426905W, 446992, 426911, 436953,, 186985, 176975, 186900, 146991, 166975H, 156992, 126924, 166902, 166975, 166975W, 116948H, 146918, 126905, 126905W, 146992, 126911, 136953
ZGP 20/12: 416948
GP 20/18: 456999, 426900, 476919, 466936, 466936W, 496944, 446976, 446939, 476973, 466964, 466923, 466935, 466971, 456907, 486984,, 156999, 126900, 176919, 166936, 166936W, 196944, 146976, 146939, 176973, 166964, 166923, 166935, 166971, 156907, 186984
GP 20/22: 446985
GP 25/5: 416900, 456908, 446910, 456911, 116900, 156908, 146910, 156911
GP 28/11: 416985, 426925, 116985, 126925
GP 40/4: 476958, 456995, 476921, 426981, 456914,, 126917, 176958, 156995, 176921, 126981, 156914
GP 40/6: 426946, 456996, 446998, 476946, 456920,, 126946, 156996, 146998, 176946, 156920
GP 50/25: 48934
GP 50/7: 426902, 446937, 456983, 426915, 426926, 446958, 446987, 496976, 456923, 496923, 446953, 456924, 416998, 496997,, 126902, 146937, 156983, 126915, 126926, 146958, 146987, 196976, 156923, 196923, 146953, 156924, 116998, 196997
GP 80/6: 456998, 466922,, 156998, 166922
GP 35/6: 126928

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Contact Persons

Guido Harton
info@harton.de
+49 2741 9234-11

Ulrich Külzer
info@harton.de
+49 2741 9234-12

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