Grundfos CRE1 3 x 380-500V Vertical Multistage Variable Speed Pumps In Cast Iron

Grundfos CRE1 3 x 380-500V Vertical Multistage Variable Speed Pumps In Cast Iron

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Vertical, non-self-priming, multistage, in-line, centrifugal pump for installation in pipe systems and mounting on a foundation.

The pump has the following characteristics:

Impellers and intermediate chambers are made of Stainless steel DIN W.-Nr. EN 1.4301.
Pump head and base are made of Cast iron.
The shaft seal has assembly length according to EN 12756.
Power transmission is via cast iron split coupling.
Pipework connection is via Oval / Rp flanges.

The pump is fitted with an IEC-flanged single-phase MGE motor with frequency converter and PI-controller integrated in the motor terminal box. No additional motor protection is required as both motor and electronics are protected by integrated overload and temperature protection.

The pump is equipped with a pressure transmitter registering pump discharge pressure and enabling controlled pump operation based on constant pressure.

A control panel enables setting of required setpoint as well as setting of pump to MIN or MAX operation or to STOP. The control panel has indicator lights for "Operation" and "Fault".

Communication with the pump is possible by means of Grundfos R100 Remote Control enabling further settings as well as reading out of a number of parameters such as "Actual value", "Speed", "Power input" and total "Power consumption".

The terminal box holds terminals for the connection of:

Pump start/stop (potential-free contact),
external remote setpoint setting via analog signal, 0 - 10 V, 0(4) - 20 mA,
10 V voltage supply for setpoint potentiometer, Imax = 5 mA,
pressure sensor factory-fitted.
input for forced control to MIN, MAX, External fault or Flowswitch (potential-free contact),
potential-free fault signal relay with changeover contact,
RS485 GENIbus.

Controls:
Frequency converter:		Built-in
Pressure sensor:		Y

Liquid:
Pumped liquid:		Water
Liquid temperature range:		-20 .. 120 °C
Selected liquid temperature:		60 °C
Density:		983.2 kg/m³

Technical:
Pump speed on which pump data are based:		3380 rpm
Rated flow:		2.2 m³/h
Rated head:		40 m
Pump orientation:		Vertical
Shaft seal arrangement:		Single
Primary shaft seal:		HQQE
Code for shaft seal:		HQQE
Approvals:		CE,EAC,UKCA,SEPRO
Approvals for drinking water:		WRAS,ACS
Curve tolerance:		ISO9906:2012 3B

Materials:
Base:		Cast iron
		EN 1561 EN-GJL-200
		ASTM A48-25B
Impeller:		Stainless steel
		EN 1.4301
		AISI 304
Bearing:		SIC

Installation:
Maximum ambient temperature:		50 °C
Maximum operating pressure:		16 bar
Max pressure at stated temp:		16 bar / 120 °C
		16 bar / -20 °C
Type of connection:		Oval / Rp
Size of inlet connection:		1 inch
Size of outlet connection:		1 inch
Pressure rating for connection:		PN 16
Flange size for motor:		FT85

Electrical data:
Motor standard:		IEC
Motor type:		71A
Rated power - P2:		0.55 kW
Power (P2) required by pump:		0.55 kW
Over/undersize motor:		Standard motor size
Mains frequency:		50 / 60 Hz
Rated voltage:		1 x 200-240 V
Service factor:		0.00
Rated current:		3.45-2.9 A
Cos phi - power factor:		0.98
Rated speed:		360-4000 rpm
IE Efficiency class:		IE5
Motor efficiency at full load:		85.3 %
Enclosure class (IEC 34-5):		IP55
Insulation class (IEC 85):		F
Motor No:		98362270

Others:
Terminal box position:		6
Minimum efficiency index, MEI ?:		0.70
Net weight:		23.4 kg
Gross weight:		26.3 kg
Shipping volume:		0.143 m³
Country of origin:		AU
Custom tariff no.:		8413709062