GRUNDFOS DATA BOOKLET
CRNE20-07 A-P-G-V-HQQV 3x400 50 HZ
Grundfos Pump 96512933
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Qty. Description
1
CRNE 20-7 A-P-G-V-HQQV
Note! Product picture may differ from actual product
Product No.: 96512933
Vertical, multistage centrifugal pump with suction and discharge ports on same the level (in-line)
enabling installation in a horizontal one-pipe system. Pump materials in contact with the liquid are in
high-grade stainless steel. A cartridge shaft seal ensures high reliability, safe handling and easy
service and access. Power transmission is via a split coupling. Pipework connection is via PJE
(Victaulic®) couplings.
The pump is fitted with a 3-phase, fan-cooled asynchronous motor.
The motor includes a frequency converter and PI controller in the motor terminal box. This enables
continuously variable control of the motor speed, which again enables adaptation of the
performance to a given requirement.
Further product details
An external sensor can be connected if controlled pump operation based on for example flow,
differential pressure or temperature is required.
The product carries the Grundfos Blueflux® label. It represents the best from Grundfos within
energy-efficient motors and frequency converters. Grundfos Blueflux® solutions either meet or
exceed legislative requirements such as the EuP IE3 grade.
Steel, cast iron and aluminium components have an epoxy-based coating made in a cathodic
electro-deposition (CED) process. CED is a high-quality dip-painting process where an electrical
field around the products ensures deposition of paint particles as a thin, well-controlled layer on the
surface. An integral part of the process is a pretreatment. The entire process consists of these
elements:
1) Alkaline-based cleaning.
2) Zinc phosphating.
3) Cathodic electro-deposition.
4) Curing to a dry film thickness 18-22 my m.
The colour code for the finished product is NCS 9000/RAL 9005.
Pump
A standard split coupling connects the pump and motor shaft. It is enclosed in the pump head/motor
stool by means of two coupling guards.
Printed from Grundfos CAPS [2013.03.059]
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The pump head and flange for motor mounting is made in one piece (cast iron). The pump head cover is a
separate component (stainless steel). The pump head has a combined 1/2" priming plug and air vent screw.
The pump is fitted with a balanced O-ring seal unit with rigid torque transmission system. This seal
type is assembled in a cartridge unit which makes replacement safe and easy. Due to the balancing,
this seal type is suitable for high-pressure applications. The cartridge construction also protects the
pump shaft from possible wear from a dynamic O-ring between pump shaft and shaft seal.
Primary seal:
- Rotating seal ring material: Silicon carbide (SiC)
- Stationary seat material: Silicon carbide (SiC)
This material pairing is used where higher corrosion resistance is required. The high hardness of
this material pairing offers good resistance against abrasive particles.
Secondary seal material: FKM (fluorocarbon rubber)
FKM has excellent resistance to oils and chemicals. Above 90 °C, FKM should only be used in
media without water.
The shaft seal is screwed into the pump head.
The chambers and impellers are made of stainless steel sheet. The chambers are provided with a
PTFE neck ring offering improved sealing and high efficiency. The impellers have smooth surface,
and the shape of the blades ensure a high efficiency.
The pump has a stainless steel base mounted on a separate base plate. The base and base plate
are kept in position by the tension of the staybolts which hold the pump together. The discharge side
of the base has a drain plug. The pump is secured to the foundation by four bolts through the base
plate. The base is prepared for connection by means of PJE (Victualic®) couplings.
Printed from Grundfos CAPS [2013.03.059]
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Motor
The motor is a totally enclosed, fan-cooled motor with principal dimensions to IEC and DIN
standards. The motor is flange-mounted with free-hole flange (FF).
Motor mounting designation in accordance with IEC 60034-7: IM B 5 (Code I) / IM 3001 (Code II).
Electrical tolerances comply with IEC 60034.
The motor requires no external motor protection. The motor control unit incorporates protection
against slow- and quick-rising temperatures, e.g. constant overload and stalled conditions.
Technical data
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
Water
253 .. 363 K
293 K
998.2 kg/m³
Technical:
Speed for pump data:
Rated flow:
Rated head:
Shaft seal:
Approvals on nameplate:
2919 rpm
21 m³/h
81.7 m
HQQV
CE,TR
Materials:
Pump housing:
Impeller:
Stainless steel
DIN W.-Nr. 1.4408
ASTM A 351 CF 8M
Stainless steel
DIN W.-Nr. 1.4401
AISI 316
Installation:
Maximum ambient temperature: 313 K
Max pressure at stated temp:
25 bar / 90 °C
25 bar / -20 °C
Flange standard:
PJE
Pipe connection:
60,1 mm
Flange size for motor:
FF265
Electrical data:
Motor type:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Printed from Grundfos CAPS [2013.03.059]
132SB
2
7.5 kW
7.5 kW
50 Hz
3/8
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Qty. Description
Rated voltage:
Rated current:
Cos phi - power factor:
Rated speed:
Efficiency:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
3 x 380-480 V
14,8-11,6 A
0,94-0,95
480-3500 rpm
IE3 90,1%
IP55
F
Others:
Label:
Grundfos Blueflux
Minimum efficiency index, MEI ≥: 0.7
Net weight:
96 kg
Gross weight:
124 kg
Printed from Grundfos CAPS [2013.03.059]
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96512933 CRNE 20-7 50 Hz
H
[m]
CRNE 20-7, 3*400 V, 50Hz
eta
[%]
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
110
100 %
100
90
80
70
60
50
100
40
80
30
60
20
40
10
20
25 %
0
0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
Q [m³/h]
P
[kW]
NPSH
[m]
10
10
P1
8
8
P2
6
6
4
4
2
2
0
0
Printed from Grundfos CAPS [2013.03.059]
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Description
Product name:
Product No:
EAN number:
Value
CRNE 20-7 A-P-G-V-HQQV
96512933
5700396621296
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
H
[m]
CRNE 20-7, 3*400 V, 50Hz
110
eta
[%]
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
100 %
100
90
80
100
40
80
30
60
20
40
10 25 %
20
0
0
0
5
10
15
20
25
NPSH
[m]
10
P1
P2
5
0
10
5
0
215
248
4 x 13
Stainless steel
DIN W.-Nr. 1.4408
ASTM A 351 CF 8M
Stainless steel
DIN W.-Nr. 1.4401
AISI 316
G
V
Q [m³/h]
P
[kW]
130
200
261
G 1/2
Water
253 .. 363 K
293 K
998.2 kg/m³
G 1/2
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
G 1/2
Flange standard:
Connect code:
Pipe connection:
Flange size for motor:
313 K
25 bar / 90 °C
25 bar / -20 °C
PJE
P
60,1 mm
FF265
298
Installation:
Maximum ambient temperature:
Max pressure at stated temp:
50
260
Material code:
Code for rubber:
60
213
Impeller:
70
60.1
Materials:
Pump housing:
2919 rpm
21 m³/h
81.7 m
07
HQQV
CE,TR
07
A
A
26
Technical:
Speed for pump data:
Rated flow:
Rated head:
Impellers:
Shaft seal:
Approvals on nameplate:
Stages:
Pump version:
Model:
90
379
132SB
2
7.5 kW
7.5 kW
50 Hz
3 x 380-480 V
14,8-11,6 A
0,94-0,95
480-3500 rpm
IE3 90,1%
IP55
F
NONE
85757522
Others:
Label:
Minimum efficiency index, MEI ≥:
Net weight:
Gross weight:
Config. file no:
Grundfos Blueflux
0.7
96 kg
124 kg
95139496
L1 L2 L3
675
SUPPLY:
SEE NAMEPLATE
FOR FUTHER DATA
96086116
Electrical data:
Motor type:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Rated voltage:
Rated current:
Cos phi - power factor:
Rated speed:
Efficiency:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
Motor protec:
Motor No:
A:RS485 A
Printed from Grundfos CAPS [2013.03.059]
0-10V
0/4-20mA
+OUT
+OUT
-
B:RS485 B
SIGNAL RELAY:
Max:250V/2A AC1
Min: DC 5V/1mA
STOP
7: SENSOR INPUT
4-20m A
RUN
8: +24V
1: DIGITAL INPUT
0/4-20m A
4: SETPOINT
0-10V
+
CONNECTION FOR
2: RUN/STOP
3: GND
9: GND
0/1
NC C NO
Y:SHIELD
10K
5: +10V
6: GND
GRUNDFOS SENSOR
OPTIONAL
CONNECTION
FOR PC-TOOL
6/8
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-
96512933 CRNE 20-7 50 Hz
213
379
260
298
G 1/2
675
G 1/2
G 1/2
26
130
200
261
60.1
90
4 x 13
215
248
Note! All units are in [mm] unless others are stated.
Disclaimer: This simplified dimensional drawing does not show all details.
Printed from Grundfos CAPS [2013.03.059]
7/8
-
Printed from Grundfos CAPS [2013.03.059]
+OUT
96086116
0/4-20mA
0-10V
1: DIGITAL INPUT
9: GND
8: +24V
7: SENSOR INPUT
GRUNDFOS SENSOR
CONNECTION FOR
OPTIONAL
0/1
4-20m A
B:RS485 B
Y:SHIELD
0/4-20m A
+
-
0-10V
10K
RUN
STOP
SIGNAL RELAY:
Max:250V/2A AC1
Min: DC 5V/1mA
L1 L2 L3
CONNECTION
FOR PC-TOOL
6: GND
5: +10V
4: SETPOINT
3: GND
2: RUN/STOP
NC C NO
A:RS485 A
SUPPLY:
SEE NAMEPLATE
FOR FUTHER DATA
Company name:
Created by:
Phone:
Fax:
Date:
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
96512933 CRNE 20-7 50 Hz
Note! All units are in [mm] unless others are stated.
8/8
+OUT
Disclaimer: The information about the Grundfos pump in this document may be outdated.
Data may be subject to alterations without further notice.
Please contact us to verify the data above is still accurate/up-to-date.
All information is copyright Grundfos.
info@lenntech.com
www.lenntech.com
tel. +31-15-261.09.00
fax. +31-15-261.62.89