Submerged & Sump Vertical Slurry Pump — SSP Series

Vertical sump pump for submerged duty — hangs into the pit from a mounting plate with only the wet end and column submerged. Used where a pump outside the pit cannot hold suction.

• No shaft seal and no shaft seal water in the standard build
• Semi-open impeller with mixing blade keeps solids in suspension at the intake
• SSP all-metal and SSPR rubber-lined builds share the installation envelope
• Extended-shaft L builds add a guide bearing — this area does require flushing water
• Three intake arrangements: standard strainer, suction pipe, agitator type
• Model reads 40PV(L): outlet mm, frame type, build, L = extended length

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Overview

The SSP(R) is a vertical centrifugal slurry pump that hangs into the liquid from a mounting plate above the pit. Only the wet end and the column are submerged; the drive sits clear above. It is used for abrasive, coarse-grained, high-concentration slurry in submerged-duty applications where a pump outside the pit cannot hold suction.

Structure — SSP(R) semi-submersible slurry pump

1. Upper bearing box
2. Upper shaft armor
3. Take-over A
4. Connecting bushing
5. Intermediate bearing frame
6. Take-over B
7. Take-over C
8. Bottom bracket
9. Lower shaft
10. Lower bearing box
11. Isolation oil chamber
12. Structure
13. Impeller
14. Filters
15. Pump body

Working conditions

Model designation

Example: 200-SV-SSP(R)

Why Submerged Duty Changes the Design

• No shaft seal, no seal water — because the impeller runs below liquid level there is nothing to seal against pressure, so the gland water supply, its pipework and its consumption all disappear.
• Operates with inadequate suction — the pump does not rely on suction conditions at all, which is the usual reason for choosing it over a horizontal pump on a sump.
• Semi-open impeller with mixing blade — a mixing blade is carried on the extension of the impeller suction side, keeping solids in suspension at the intake instead of letting them consolidate on the pit floor.

Wet-End Builds

SSP is built in wear-resistant metal throughout. SSPR carries rubber lining on the submerged parts and is used for abrasive slurry that does not contain sharp angular particles. Both builds share the same installation envelope, so the wet-end choice does not change the pit arrangement.

Extended-Shaft Builds

Models carrying the letter L are extended-shaft builds for deeper liquid. These add a guide bearing to the standard pump, which steadies the shaft over the longer span and makes operation smoother across a wider range of duties. The guide bearing area requires flushing water — this is the one water supply an extended build does need, and it must be allowed for at the design stage.

Intake Arrangements

Three intake configurations are available and are selected against what the pit contains:

• Standard with strainer — general submerged duty where oversize material must be excluded.
• Suction pipe with strainer — where the pump must draw from a defined point rather than the full pit floor.
• Agitator type — where solids settle and consolidate between running periods and must be re-suspended before extraction.

Model Designation

Model numbers read in the form 40PV(L): the figure is the outlet diameter in millimetres, the letter group is the frame type, the suffix identifies the metal or rubber build, and L denotes the extended-length build. Frame types run PC, QV, RV, SV and TV across outlet sizes from 40 mm to 300 mm.

Typical Applications

Selection

Give us the depth from mounting plate to liquid level and to the pit floor, the flow and head required, the medium with particle size and solids concentration, and whether solids consolidate between running periods. We will confirm the size, frame type, column length, wet-end build and intake arrangement.

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