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Mains Units

NK plunger pump

NK-B 50/250 R

Part number 878400

  • 47.8Flow, l/min
  • 250Pressure, bar
  • 1000Speed, rpm
  • 22.8Power, kW

50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Specification

Flow
47.8 l/min
Pressure
250 bar
Speed
1000 rpm
Absorbed power
22.8 kW
Shaft
Solid, Ø30 mm

Exploded view (PDF, Udor)Dimensions (PDF, Udor)

Kits

High pressure seals1

Part numberDescriptionPer pumpSuppliers
KIT 11High pressure seal kit 

Valves1

Part numberDescriptionPer pumpSuppliers
KIT 93Valve kit 

Low pressure seals1

Part numberDescriptionPer pumpSuppliers
KIT 212Low pressure seal kit 

Plungers1

Part numberDescriptionPer pumpSuppliers
KIT 254Plunger kit 

Parts list

The parts that come in this pump's service kits, by Udor part number.

Part numberDescriptionQty in kitKit
0635063KIT 11
1101A93KIT 11
6030303KIT 11
1101B86KIT 93
6006486KIT 93
0023943KIT 212
1101A93KIT 212
1221143KIT 212
0301363KIT 254
1101603KIT 254
1403143KIT 254
1807193KIT 254

Motor

This pump needs 22.8 kW at 1000 rpm, more than the largest motor of that speed listed here.

Flange

The flange depends on the motor, so it is chosen with the motor.

Coupling

The coupling depends on the motor shaft, so it is chosen with the motor.

Gearbox for engine drive

Other Udor NK pumps

NK-B 25/350 RNK-B 32/350 RNK-B 37/300 RNK-B 42/250 RNK-B 52/170 RNK-B 60/170 RNK-B 70/150 RNK-B 100/100 RNK-C 35/350 RNK-C 47/350 RNK-C 47/350 R MINK-C 55/300 RNK-C 55/300 R MINK-C 60/250 RNK-C 60/250 R MINK-C 70/250 RNK-C 70/250 R MINK-C 75/170 RNK-C 75/170 R MINK-C 85/170 RNK-C 85/170 R MINK-C 100/150 RNK-C 100/150 R MINK-C 130/130 RNK-C 130/130 R MINK-C 145/100 RNK-C 145/100 R MINK-D 11.0/51 RNK-D 15.0/44 RNK-D 15.0/44 R MINK-D 24.0/25 RNK-D 24.0/25 R MINK-D 27.0/25 RNK-D 27.0/25 R MI