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Mains Units

MMD-HY plunger pump

MMD HY 21250R

Part number P3.020.204

  • 21Flow, l/min
  • 250Pressure, bar
  • 1450Speed, rpm
  • 12.21Power, kW

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

Mazzoni MMD-HY pump

Specification

Flow
21 l/min
Pressure
250 bar
Speed
1450 rpm
Absorbed power
12.21 kW
Max water temperature
65 °C
Plunger
20 mm
Shaft side
Right
Shaft
Solid, Ø15.9 mm
Inlet
G 1/2
Outlet
G 3/8
Weight
11.4 kg
Oil
0.7 litres

Data sheet (PDF, Mazzoni)

Kits

Valves1

Part numberDescriptionPer pumpSuppliers
P9.001.005Valve kit, Ø20 

Water seals2

Part numberDescriptionPer pumpSuppliers
P9.003.025Plunger seal kit, Ø20 
P9.003.026Plunger seal kit, Ø20 

Plungers1

Part numberDescriptionPer pumpSuppliers
P9.004.013Ceramic plunger kit, Ø20 

Oil seals1

Part numberDescriptionPer pumpSuppliers
P9.039.001Oil seal kit, Ø20 

Other kits2

Part numberDescriptionPer pumpSuppliers
P9.040.017Complete pump head, Ø20 
P9.041.004Connecting rod kit, Ø20 

Parts list

For parts not covered by the kits above, ask a supplier and quote the model MMD HY 21250R and part number P3.020.204.

Motor

A 4-pole motor of at least 12.21 kW drives this pump at 1450 rpm.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 160La4 151465IEC 160LIE330.5  
RN 160La4 151450IEC 160LIE130  

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 160, 42 mm shaft (RNE 160La4, RN 160La4) No Mazzoni flange listed for this motor.

Coupling

The flexible coupling joins the motor shaft to the pump shaft inside the flange.

  • IEC 160, 42 mm motor shaft No Mazzoni coupling listed: you need one for a 42 mm motor shaft to 15.9 mm pump shaft.

Other Mazzoni MMD-HY pumps

MMD HY 12250LMMD HY 12250RMMD HY 15250LMMD HY 15250RMMD HY 18250LMMD HY 18250RMMD HY 21250L