Goulds Pumps XHD - IOM - Manual (Page 18)

Product Description
Heaviest pump component weight
Size Item no. Part name Weight (lb) Weight (kg) Wet end Bare pump
weight lbs (kg) weight less
motor base/
motor lbs (kg)
XHD80 100A Suction half 131 60 473 (215) 938 (431)
casing
XHD125 100A Suction half 267 121 1063 (483) 1750 (796)
casing
XHD150 100A Suction half 611 277 2566 (1164) 4016 (1826)
casing
XHD200 100A Suction half 1210 549 4590 (2081) 2823 (6210)
casing
XHD250 100A Suction half 1764 800 7130 (3234) 9800 (4445)
casing
XHD300 100A Suction half 3221 1461 12348 (5600) 15107 (6866)
casing
Seal cover / stuffing box
Both the XHD and XHD Value Option stuffing box are designed to accommodate multiple
packing configurations (full and low flush) as well as most conventional slurry mechanical
seals.
The XHD also features a fully detachable split stuffing box for ease of maintenance and
replacement of packing and lantern rings.
Part Description
Pedestal The ductile iron pedestal has:
• A compact footprint that can be easily adapted to new or existing
mounting requirements using a pedestal spacer.
• Adjustment plates and hardware for ease of impeller clearance
setting.
Bearing housing For the XHD and XHD Value Option:
• Oil lubrication is standard
• No machining is required to convert from oil to grease lubrication.
• Bellville washers and shims used to set bearing preload
For XHD:
• The power end is sealed with labyrinth seals
For XHD Value Option:
• The power end is sealed with grease-packed double lip seals.
Shaft and shaft sleeve
• The shaft has an API-style tapered rapid release impeller thread
• The shaft is through-hardened 420 stainless steel providing 400 BHN
• The shaft sleeve is sealed with an o-ring to provide a "dry shaft"
design protecting the shaft fro slurry exposure
Bearings The inboard and outboard bearings:
• Are single row, tapered roller design
• Carry both radial and axial loads
• Mounted back-to-back in an opposed pair configuration on the shaft
shoulders
• Are the same size and type for each power frame
• Have L10 lives exceeding 100,000 hours
Hardware
All fasteners and tapped connections are metric.
Direction or rotation
The direction of rotation is clockwise (right hand) when viewed from the driver end.
16 XHD Installation, Operation, and Maintenance Manual