General information:
Product name: NK 125-315/277
Product No: On request
EAN number: On request
Technical:
Pump speed on which pump data are
based:
2980 rpm
Rated flow: 408 m³/h
Rated head: 95 m
Actual impeller diameter: 277 mm
Nominal impeller diameter: 315
Shaft seal arrangement: Single
Primary shaft seal: BAQE
Shaft diameter: 42 mm
Code for shaft seal: BAQE
Secondary shaft seal: None
Curve tolerance: ISO 9906:1999 Annex A
Pump version: A1
Bearing design: 17500
Materials:
Type key, code for materials: A
Type key, code for rubber components. E
= EPDM, V=FKM:
E
Pump housing: Cast iron
EN-GJL-250
ASTM A48-40B
Wear ring: Bronze
ASTM CuSn10
Impeller: Cast iron
EN-GJL-200
ASTM A48-30B
Material code: A
Rubber: EPDM
Code for rubber: E
Installation:
Maximum ambient temperature: 40 °C
Maximum operating pressure: 16 bar
Type key, code for pipework connection: F
Pipe connection standard: EN 1092-2
Size of inlet connection: DN 150
Size of outlet connection: DN 125
Pressure rating for connection: PN 16
Coupling type: Standard
Wear ring(s): W
Bearing lubrication: Grease
Base frame design: EN/ISO
Connect code: F
Liquid:
Pumped liquid: Water
Liquid temperature range: 0 .. 120 °C
Selected liquid temperature: 20 °C
Density: 998.2 kg/m³
Electrical data:
Motor type: SIEMENS
Rated power - P2: 160 kW
Mains frequency: 50 Hz
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