ITT GOULDS PUMPS 3180, Инструкция по установке, эксплуатации и обслуживанию

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Feature Description
Flange drilling For the S, M, L, and XL groups, the flange drilling meets these standards:
• 3180: ANSI class 125/150
• 3181: ANSI class 300
• 3185: ISO or JIS 16 bar
• 3186: ISO NP40 or JIS 40K
For the XL1, XL2-S, and XL2 groups, the flange drilling is ANSI class 150.
Impeller
Impeller option Description
Open with suction
sideplate (not
available on XL1,
XL2-S, and XL2) • Provided as standard with models 3180 and 3185 (except on XL1, XL2-S, and XL2)
• Provided as optional with models 3181 and 3186
• Available for all sizes of pumps (except on XL1, XL2-S, and XL2)
• Is fully open, end-suction type
• Contains Francis or radial design inlet
• Constructed with large balance holes and back pump-out vanes that reduce stuffing box
pressure and axial thrust
• Keyed to the shaft and held in position by an impeller locknut
• Sealed by a Viton O-ring
• Sealed on the sleeve side by a PTFE O-ring for a dry shaft design
• Handles the tough paper stock and process services
The suction sideplate has these benefits:
• Protects against casing wear
• Removed easily
• Secured to the casing with corrosion-resistant studs and capnuts
• Sealed with a gasket and O-ring
Enclosed with
wear rings (stand-
ard on XL1, XL2-
S, and XL2) • Standard with the 3181 and 3186
• Optional with selected sizes of the S, M, L, and XL 3180 and 3185. Standard on XL1, XL2-
S, and XL2 3180 and 3185.
• Uses replaceable impeller wear ring and casing wear ring
• Wear ring configuration allows for axial impeller adjustment to renew and maintain proper
wear ring clearances
• Can handle fine solids
Shearpeller
TM
with suction side-
plate
• Provided as optional with eight sizes of models for 3180 and 3185
• Is fully open, end-suction type
• Constructed with radial design inlet
• Has scalloped shroud and back pump-out vanes that reduce axial thrust
• Can handle the tough recycle mill applications
• Can handle long, stringy solids without plugging or clogging
Stuffing box cover/seal chamber
The cover functions both as a way to seal the chamber and as a replaceable wear part. It is secured with
a series of clamping lugs at the outside diameter of models 3180 and 3185, and it is through-bolted with
capscrews on models 3181 and 3186. XL1, XL2-S, and XL2 sizes are through-bolted using a frame
adapter to secure the stuffing box cover or seal chamber.
The table shows the four available design options:
3.1 General description
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual 17