Goulds Pumps 3498 - IOM - Manual (Page 16)

GENERAL INFORMATION
PUMP DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
NAMEPLATE INFORMATION . . . . . . . . . . . . . . . . . . . . . 14
PUMP DESCRIPTION
This product line consists of 64 sizes of double suction,
horizontally split case pumps from size 12x16-28 through
size 66x70-60.
Casing - The casing is close-grained Cast Iron or Ductile
Iron, and is of axially-split double-volute design with
suction and discharge flanges and mounting feet cast
integral with the lower half casing. Tapped and plugged
holes are provided for priming, vent, drain and gauge
connections. Upper half casing is removable without
disturbing suction or discharge piping. Flanges are of
(125/125#) (125/250#) (250/250#) ASA Standard. Suction
and Discharge are on a common centerline in both the
horizontal and vertical planes.
Impeller - The impeller is of the enclosed double-suction
type made of (bronze) (cast iron) (316 stainless steel) and
statically and hydraulically balanced. The impeller is keyed
to the shaft and positioned axially by the shaft sleeves. Hub
has sufficient metal thickness to allow machining for
installation of impeller rings.
Shaft - The shaft is made of (AISI 4140, 316 stainless steel,
17-4 ph) and of ample size to operate under load with a
minimum of deflection.
Shaft Sleeves - The shaft sleeves are made of (bronze) (420
hardened stainless steel) [packing only] (316 stainless
steel)(cast iron) and will protect the shaft from wear and
from contact with the pumped liquid. An O-ring is
furnished under sleeve to prevent leakage.
Stuffing Box - The stuffing box consists of at least six (6)
rings of die formed, graphite, acrylic yarn packing and a
split type gland to permit removal and access to packing.
Ample space is provided for repacking the stuffing box.
Arrangement provides for field or factory conversion to
mechanical seals without machine work.
Casing Rings - The casing rings are made of (bronze) (cast
iron) (316 stainless steel) and are installed with an anti-
rotation device.
Bearings - The bearings are grease lubricated or oil
lubricated. The inboard or coupling end bearing is either a
single or double row anti-friction bearing. The outboard
bearing is a double row anti-friction bearing which is
retained by bearing locknut and lockwasher.
Bearing Housings - The bearing housings are bolted and
doweled to the end of the lower half casing and will assure
positive alignment of the rotating element. The housings
provide a fit for the inboard bearing that allows freedom
for thermal expansion while the outboard bearing is
clamped in place to take all thrust loads and keep the
rotating element in its proper axial location.
Baseplate - The baseplate is sufficiently rigid to support
the pump and driver and is steel with a drip pan beneath the
pump end. The drip pan contains a tapped drain
connection.
Coupling - Coupling is an all metal type.
!
The coupling used in an ATEX classified environ-
ment must be properly certified.
Coupling Guard - The coupling guard shall be all metal.
!
The coupling guard used in an ATEX classified
environment must be constructed from a non-
sparking material.
Rotation - Pump has a clockwise or counterclockwise
rotation when viewed from its driven end.
3498 IOM 12/04
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