General information:
Product name: NB 40-250/230
AAF2LVSBQQVOW1
Product No: On request
EAN number: On request
Technical:
Pump speed on which pump data are
based:
2940 rpm
Rated flow: 57.79 m³/h
Rated head: 61.36 m
Actual impeller diameter: 230 mm
Nominal impeller diameter: 250
Shaft seal arrangement: Single
Primary shaft seal: BQQV
Shaft diameter: 24 mm
Code for shaft seal: BQQV
Curve tolerance: ISO9906:2012 3B
Pump version: A
Bearing design: Standard
Materials:
Type key, code for materials: L
Type key, code for rubber
components. E = EPDM, V=FKM:
V
Pump housing: Stainless steel
EN 1.4517
ASTM CD4MCuN
Wear ring: Stainless steel
EN 1.4517
ASTM CD4MCuN
Flange: Cast iron
EN-GJS-500-7
ASTM 70-50-05
Impeller: Stainless steel
EN 1.4517
ASTM CD4MCuN
Pump house, internal coating: No coating
Material code: L
Code for rubber: V
Shaft: Stainless steel
EN 1.4462
SAF 2205
Installation:
Maximum ambient temperature: 60 °C
Maximum operating pressure: 16 bar
Type key, code for pipework
connection:
F2
Pipe connection standard: EN 1092-1
Size of inlet connection: DN 65
Size of outlet connection: DN 40
Pressure rating for connection: PN 16
Bearing lubrication: Grease
Pump housing with feet (Yes/No): No
Support block (Yes/No): N
Connect code: F2
Liquid:
Pumped liquid: Water
Liquid temperature range: -10 .. 90 °C
Selected liquid temperature: 20 °C