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Grundfos CRN 255: 3 x 380-420D/660YV Vertical Multistage Pumps In 316 Stainless Steel

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Vertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). Pump materials in contact with the liquid are in high-grade stainless steel. The Grundfos cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. Pipe connection is via DIN flanges. The pump is fitted with a 3-phase, fan-cooled asynchronous motor.

 

Liquid:
Pumped liquid:    Water
Liquid temperature range:    -20 .. 90 °C
Selected liquid temperature:    20 °C
Density:    998.2 kg/m³

Technical:
Pump speed on which pump data are based:    2973 rpm
Rated flow:    255 m³/h
Rated head:    28.9 m
Pump orientation:    Vertical
Shaft seal arrangement:    Single
Primary shaft seal:    HQQV
Code for shaft seal:    HQQV
Approvals:    CE,UKCA,SEPRO
Approvals for drinking water:    ACS
Curve tolerance:    ISO9906:2012 3B

Materials:
Base:    Stainless steel
     EN 1.4408
     ASTM A351 CF8M
Impeller:    Stainless steel
     EN 1.4401
     AISI 316
Bearing:    WC/WC
Support bearing:    Graflon
Material certified according to:    European standards

Installation:
Maximum ambient temperature:    40 °C
Maximum operating pressure:    16 bar
Max pressure at stated temp:    16 bar / 90 °C
Type of connection:    DIN
Size of inlet connection:    DN 200
Size of outlet connection:    DN 200
Pressure rating for connection:    PN 16
Flange size for motor:    FF350

Electrical data:
Motor standard:    IEC
Motor type:    200L
Rated power - P2:    30 kW
Power (P2) required by pump:    30 kW
Mains frequency:    50 Hz
Rated voltage:    3 x 380-420D/660Y V
Rated current:    54,28-49,1/31,3 A
Starting current:    729 %
Cos phi - power factor:    0.90
Rated speed:    2950 rpm
IE efficiency:    IE3 93,3%
IE Efficiency class:    IE3
Motor efficiency at full load:    93.3 %
Motor efficiency at 3/4 load:    93.5 %
Motor efficiency at 1/2 load:    92.5 %
Number of poles:    2
Enclosure class (IEC 34-5):    55 (Protect. water jets/dust)
Insulation class (IEC 85):    F
Motor No:    99490088

Controls:
Frequency converter:    None

Others:
Terminal box position:    6
Minimum efficiency index, MEI ?:    0.70
Net weight:    485 kg
Gross weight:    632 kg
Shipping volume:    2.04 m³
Thrust handling device (Yes/No):    N
Country of origin:    SG
Custom tariff no.:    8413709062

Estimated Delivery Time Frame:7-14 business days

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Reference ID: 14906291

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