A plunger pump

AC 12/20 S

Name: Udor AC 12/20 S plunger pump
Brand: Udor

Part number 720042

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

Specification

Part number	Description	Per pump	Suppliers
KIT 2	Valve kit

Part number	Description	Per pump	Suppliers
KIT 135	High pressure seal kit

Part number	Description	Per pump	Suppliers
KIT 137	Low pressure seal kit

Part number	Description	Per pump	Suppliers
KIT 229	Plunger kit

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

Part number	Qty in kit	Kit
1101A3	6	KIT 2
600626	6	KIT 2
002127	3	KIT 135
063512	3	KIT 135
1101A7	3	KIT 135
002370	3	KIT 137
1101A7	3	KIT 137
122144	3	KIT 137
030142	3	KIT 229
140361	3	KIT 229
180728	3	KIT 229

A 4-pole motor of at least 4.6 kW drives this pump at 1450 rpm.

Motor	kW	rpm	Frame	Class	A at 400 V
RNE 132Sa4	5.5	1450	IEC 132S	IE3	10.6
RN 132Sa4	5.5	1430	IEC 132S	IE1	11.4
RN 112b4 uprated	5.5	1420	IEC 112	IE1	12.2

The contactor and overload relay for each motor are on the motor's page.

The flange bolts the pump to the face of the motor. It depends on the motor's IEC frame.

IEC 112, 28 mm shaft (RN 112b4) No Udor flange listed for this motor.
IEC 132, 38 mm shaft (RNE 132Sa4, RN 132Sa4) No Udor flange listed for this motor.

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

IEC 112, 28 mm motor shaft No Udor coupling listed: you need one for a 28 mm motor shaft to 24 mm pump shaft.
IEC 132, 38 mm motor shaft No Udor coupling listed: you need one for a 38 mm motor shaft to 24 mm pump shaft.