Speck pumpen BADU Block Series, Инструкция по установке и эксплуатации

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4 Description of the Pump (Set)
4.1 General description
BADU
®
Block centrifugal pumps are non-priming, single-stage volute casing pumps in
close-coupled design for vertical installation, sealed by a mechanical seal.
The close-coupled pump and the pre-filter casing are flanged together. They from a
close-coupled unit.
Pump for handling clean or aggressive fluids which are neither chemically nor
mechanically aggressive to the pump materials.
4.2 Designation
Example: BADU
®
Block 32/160 W12
Table 5: Key to the designation
Code Description
BADU ® Block Type series
32 Nominal discharge nozzle diameter [mm]
160 Nominal impeller diameter [mm]
W12 Material variant, e.g. W12
4.3 Name plate
Type
S-Nr.
Q m³/h H
m
n
min -1
Bj.
mm W Ø
SPECK PUMPEN GmbH
91233 Neunkirchen a. Sand
1
2
3
4
5
6
7
8
9
Fig. 3: Name plate (example) Normpumpe
1 Series number 2 Type series, size
3 Material variant 4 Flow rate
5 Speed 6 Other
7 Impeller diameter 8 Head
9 Year of construction
4.4 Design details
Design
▪
Volute casing pump with pre-filter casing
▪
Vertical installation
▪
Single-stage
▪
Ratings to EN 733
▪
Complies with the 2009/125/EC Directive
Pump casing
▪
Radially split volute casing
▪
Volute casing of some pumps with integrally cast pump feet
▪
Replaceable casing wear rings
Impeller type
▪
Closed radial impeller with multiply curved vanes
4 Description of the Pump (Set)
BADU ® Block 15 of 52