Grundofs NBG / NBGE 2-Pole : Close-Coupled End-Suction Pump Standard 125/100/160 To 200 (ISO 2858)

Grundofs NBG / NBGE 2-Pole : Close-Coupled End-Suction Pump Standard 125/100/160 To 200 (ISO 2858)

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Non-self priming, single-stage centrifugal pump according to AS2129 table E.
The pump is for the pumping of thin, clean or slightly contaminated liquids without abrasive or long-fibred solids.
The pump is directly coupled with an IEC-flanged 3-phase AC motor.
The impeller is hydraulically as well as dynamically balanced.

The pump has the following characteristics:

flange dimensions according to EN 1092-2,
Cast iron volute pump housing,
stainless steel shaft and Cast iron impeller and bronze wear rings,
unbalanced mechanical shaft seal according to EN 12756.

Controls:
Frequency converter:		None
Pressure sensor:		N

Liquid:
Pumped liquid:		Water
Liquid temperature range:		-25 .. 120 °C
Selected liquid temperature:		60 °C
Density:		983.2 kg/m³

Technical:
Pump speed on which pump data are based:		2945 rpm
Rated flow:		243.6 m³/h
Rated head:		21.04 m
Actual impeller diameter:		157 mm
Nominal impeller diameter:		160
Type of impeller:		Standard
Shaft seal arrangement:		Single
Primary shaft seal:		BQQE
Code for shaft seal:		BQQE
Curve tolerance:		ISO9906:2012 3B
Bearing design:		Standard

Materials:
Pump housing:		Cast iron
		EN-GJL-250
		ASTM class 35
Wear ring:		Bronze
		CuSn10-C
Impeller:		Cast iron
		EN-GJL-200
		ASTM class 30
Internal pump house coating:		CED
Shaft:		Stainless steel
		EN 1.4401
		AISI 316

Installation:
Maximum ambient temperature:		40 °C
Maximum operating pressure:		16 bar
Pipe connection standard:		AS2129 table E
Size of inlet connection:		DN 125
Size of outlet connection:		DN 100
Pressure rating for connection:		PN 16
Bearing lubrication:		Grease
Pump housing with feet (Yes/No):		Yes
Support block (Yes/No):		N

Electrical data:
Motor type:		WEG
Rated power - P2:		18.5 kW
Mains frequency:		50 Hz
Rated voltage:		3 x 380-415 V
Rated current:		35.3-33.1 A
Starting current:		900 %
Cos phi - power factor:		0.86-0.84
Rated speed:		2945 rpm
IE efficiency:		IE392.6%
IE Efficiency class:		IE3
Motor efficiency at full load:		92.6 %
Motor efficiency at 3/4 load:		92.6 %
Number of poles:		2
Enclosure class (IEC 34-5):		IP55
Insulation class (IEC 85):		F
Motor No:		99174341

Others:
Minimum efficiency index, MEI ?:		0.70
Net weight:		203 kg
Gross weight:		228 kg
Shipping volume:		0.707 m³
Country of origin:		CN
Custom tariff no.:		8413709062
Language on pump nameplate:		GB