Xylem AC Fire Pump 8100 Series, Installation, Operation And Maintenance Manual

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AC6102 Rev 0
5
14
6 Description
6.1 General
The horizontal split case centrifugal fire pump is a single
stage [series 8100, 8150 and 9100] and two stage [series
8200] non self-priming pump.
6.2 Designation
The fire pump can be identified by size designation stated
on the nameplate; for example, H10 X 8 X 17F-S
represents:
Code Description
H
No prefix=Cast iron A48;
H=Ductile iron A536
10 Suction inlet size ANSI
8 Discharge outlet size ANSI
17 Nominal impeller diameter
F-S
S-small, M-medium, L-large
capacity impeller
Table 2 Key for size designation
6.3 Nameplate
6.3.1 Pump nameplate
The nameplate shows all important data of the pump. It is
attached to the upper casing. Records for the pump are
referenced by the serial number and it must, therefore, be
used to order all spare and replacement parts. [The last
digit of the serial number indicates the specific pump on
orders of more than one pump].
Fig. 4 Nameplate of a Fire pump
Item Description
1 Manufacturer
2 Approval Agencies
3 Size
4 Model Type
5 Serial number
6 Head [feet]
7 Rated flow rate [GPM]
8 Rated pressure [psi]
9 Speed [RPM]
10 Number of stages
11 Net pressure developed [psi]
12 Net pressure at 150% of flow [psi]
13 Maximum power [BHP]
14 Maximum suction pressure [psi]
15 Inboard bearing number
16 Outboard bearing number
17 Country of origin
18 Impeller diameter [in]
Table 3 Nameplate of a Fire-pump
6.3.2 Pump unit nameplate
The nameplate shows all important data of the pump unit.
It is attached to the upper casing.
Fig. 5 Nameplate of a Fire pump unit