51 series plunger pump
TT561
- 11Flow, l/min
- 50Pressure, bar
- 2800Speed, rpm
- 1.1Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).
Specification
- Flow
- 11 l/min
- Pressure
- 50 bar
- Speed
- 2800 rpm
- Absorbed power
- 1.1 kW
- Plunger
- 15 mm
- Shaft
- Solid
- Weight
- 5.2 kg
Kits
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 1 | Intake/delivery valve |
Other kits5
Parts list
Interpump make this pump in 3 versions. The list below is for the first, male shaft (key) - GAS. The others: hollow shaft (key) + vers. B - GAS; VH Version. Their parts are in Interpump's parts sheet (link above).
Positions are the balloon numbers on Interpump's exploded view.
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 99186700 | Screw m 6 x 18 UNI 5931 | 4 |
| 2 | 98210300 | Oil dip-stick G3/8 x 51 | 1 |
| 3 | 98204100 | Plug G1/4 x 9 | 1 |
| 4 | 98221800 | Tappo m 24 x 1,5 x 11 | 6 |
| 5 | 90384700 | O-ring 20,29 x 2,62(3081) | 6 |
| 6 | 51120041 | Testata ottone Ø15 | 1 |
| 7 | 44211570 | Washer Ø8 | 3 |
| 8 | 92221600 | Nut M8 x 13 x 5 | 3 |
| 9 | 90357300 | O-ring Ø5,28 x 1,78 (2021) | 3 |
| 10 | 90502200 | Anti-extrusion ring | 3 |
| 11 | 51209051 | Protezione | 1 |
| 12 | 51160022 | Coperchio post.carter oss. (W1) | 1 |
| 13 | 90391700 | Or Ø88,57 x 2,62 (3350) | 1 |
| 14 | 99180700 | Screw m 6 x 12 UNI 5739 | 4 |
| 15 | 98210050 | Plug G3/8 x 13 TE22 | 1 |
| 16 | 51020165 | Albero eccentrico C.8 | 1 |
| 17 | 90063500 | Circlip Ø25 UNI 7435 | 1 |
| 18 | 91832800 | Cuscinetto a sfere 6305 | 1 |
| 19 | 90164100 | Oil seal Ø25 x 62 x 10 | 1 |
| 20 | 50150074 | Crankcase cover | 1 |
| 21 | 51010622 | Carter pompa | 1 |
| 22 | 98210000 | Plug G3/8 x 13 | 1 |
| 23 | 90360400 | O-ring 25,12 x 1,78 (2100) | 3 |
| 24 | 90383500 | O-ring 15,08 x 2,62 (119) | 3 |
| 25 | 51100051 | Head ring Ø15 | 3 |
| 26 | 90262000 | Packing Ø15 x 25 x 5/3,1 | 3 |
| 27 | 51080070 | Anello di fondo Ø15 v | 3 |
| 28 | 99194300 | Vite tcei M6 x 40 8.8 UNI5931 zinc. | 8 |
| 29 | 96693800 | Washer 6,4 x 10 x 0,7 | 8 |
| 30 | 51040009 | Pistone Ø15 x 25 | 3 |
| 31 | 96707000 | Rosetta Ø9 x 23 x 0,5 W1 | 3 |
| 32 | 90156500 | Anello di ten. corteco a 15 x 24 x 5 | 3 |
| 33 | 51050056 | Guida pistone | 3 |
| 34 | 97731000 | Spinotto Ø8 x 24,5 | 3 |
| 35 | 51030022 | Biella | 3 |
| 36 | 91801400 | Boccola a rullini | 1 |
| 37 | 47221301 | Oil sight glass assembly G3/4 | 1 |
| 38 | 90385900 | O-ring 25,07 x 2,62 (3100) | 1 |
| 39 | 36703201 | Valve assembly. | 6 |
| 40 | 91487700 | Key 8(h9)X7 x 25 UNI 6604/A | 1 |
| 41 | 90383300 | O-ring 13,95 x 2,62 (3056) | 1 |
| 42 | 90384100 | O-ring 17,12 x 2,62 (3068) | 6 |
| 43 | 36200366 | Valve seat | 6 |
| 44 | 36200176 | Valve plate | 6 |
| 45 | 94737600 | Spring Ø9,4 x 14,8 | 6 |
| 46 | 36200251 | Valve cage | 6 |
| 99 | 97595000 | Spia livello olio Ø25 x 7.8 NBR | 1 |
Motor
A 2-pole motor of at least 1.1 kW drives this pump at 2800 rpm. Single-phase motors are listed last, for a 230 V supply.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 80b2 | 1.1 | 2870 | IEC 80 | IE3 | 2.4 | |
| RN 80b2 | 1.1 | 2820 | IEC 80 | IE1 | 2.4 | |
| RNM 80b2 | 1.1 | 2800 | IEC 80 | Single-phase | 7.5 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 80, 19 mm shaft (RNE 80b2, RN 80b2, RNM 80b2) ZF080 Motor flange, IEC 80 B14
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 80, 19 mm motor shaft ZG08051 Flexible coupling, IEC 80, 19 mm motor shaft
Other Interpump 51 series pumps
T1209T1212T1508T9051TT551TT741TT751TT901TT931TT941TT951TT1508TT1510TT1511TT1512TT1513TT9061TT9071TT9091W905W1208W1210W1507WW55WW56WW74WW75WW90WW93WW94WW95WW906WW907WW909WW1508WW1509WW1510WW1511WW1513