DOOR 2 • PLANT OPERATIONS, MAINTENANCE & SPARES

Slurry Pumps & Spare Parts

Horizontal centrifugal replacement slurry pumps, complete assembled Bearing Assembly / Housing units, and wet-end Spare Parts supplied in balanced wear lots (5 impellers, 5 throatbushes, and 4 volute liners) in High Chrome (≥650 HB), Rubber, and Polyurethane.

Wet-End Lot Ordering (5 – 5 – 4)

Plants order wet-end contact parts in balanced lots matched to component wear rates (for example: 5 impellers, 5 throatbushes, and 4 volute liners) in High Chrome, Rubber, or Polyurethane. We do not sell mechanical seals due to the highly corrosive and abrasive nature of mineral slurries; we supply centrifugal expellers and stuffing boxes.

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Replacement Slurry Pumps & Critical Spare Parts

Complete Slurry Pumps

Heavy-duty horizontal centrifugal slurry pumps from 1.5x1" to 14x12" for mill discharge, cyclone feed, flotation, and tailings transport.

Range: 1.5x1" to 14x12"

Bearing Assembly / Housing

Complete assembled cartridge unit ready for installation: cylindrical housing, alloy shaft, heavy-duty tapered roller bearings, and labyrinth seals.

Supply: Complete Assembled Unit

Impeller

5-vane closed and wide-passage slurry impellers with front and rear expeller vanes to reduce stuffing box pressure and recirculation.

Materials: High Chrome, Rubber & Polyurethane

Volute Liners & Throatbushes

Volutes, throatbushes, and frame plate liner inserts for wet-end contact zones, available in multi-unit wear lots.

Materials: High Chrome, Rubber & Polyurethane

Centrifugal Expeller & Stuffing Box

Dry centrifugal expeller, expeller ring, shaft sleeve, and braided-packing stuffing box (no mechanical seals) for zero slurry dilution.

Sealing: Expeller & PTFE/Graphite Stuffing Box

Universal Part Number Spare Parts Sheets (Wet-End & Sealing)

Review individual metallurgical specifications for closed impellers, suction throatbushes, and expeller rings verified 1:1 at our Durango Central Warehouse.

D3147 Frame 4/3 C

Closed High Chrome A05 Impeller for 4/3 C Pump

Closed-Vane Centrifugal Slurry Impeller • ≥ 650 HB (Brinell) / 58-62 HRC

E4147 Frame 6/4 D

Closed High Chrome A05 Impeller for 6/4 D Pump

Closed-Vane Centrifugal Slurry Impeller • ≥ 650 HB (Brinell) / 58-62 HRC

F6147 Frame 8/6 E

Closed High Chrome A05 Impeller for 8/6 E Pump

Closed-Vane Centrifugal Slurry Impeller • ≥ 650 HB (Brinell) / 58-62 HRC

DAM028 Frame 4/3 C

Dynamic Expeller Ring for 4/3 C Frame

Dynamic Centrifugal Expeller Ring • ≥ 650 HB (Brinell) / 58-62 HRC

EAM028 Frame 6/4 D

Dynamic Expeller Ring for 6/4 D Frame

Dynamic Centrifugal Expeller Ring • ≥ 650 HB (Brinell) / 58-62 HRC

E4083 Frame 6/4 D

High Chrome A05 Throatbush for 6/4 D Pump

Front Suction Wear Throatbush • ≥ 650 HB (Brinell) / 58-62 HRC

PLANT MAINTENANCE PLANNING

Wet-End Lot Procurement vs. Single-Piece Purchasing

For slurry pumps, concentrator plants order balanced wet-end lots matched to component wear rates (for example: 5 impellers, 5 throatbushes, and 4 volute liners) alongside a complete spare Bearing Assembly / Housing.

Operational Metric Overseas OEM Import Reactive Single-Part Buying SMAT Wet-End Lot Supply
International Lead Time 16 to 24 weeks (Ocean freight & customs) Fragmented emergency orders Scheduled lot supply (Domestic tax invoice)
Wet-End Lot Configuration Rigid bundles with slow-moving items Single part (mismatched wear clearances) Custom lots (e.g. 5 Impellers + 5 Throatbushes + 4 Volutes)
Wear Materials Single standard alloy Unverified casting (<500 HB) High Chrome (≥650 HB), Rubber & Polyurethane
Mill Downtime Risk (20k–40,000 USD/hour) High working capital tied up in transit Extended downtime waiting for throatbush or impeller Batch scheduling matched to actual wet-end wear (5-5-4)
CIRCUIT-LEVEL GROUNDING

Select Your Plant Circuit

Map your grinding classification, flotation, or filtration equipment and wear parts with 1:1 dimensional verification in Durango.

Severe slurry service: 45% to 60% solids by weight, high quartz abrasiveness.
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1. Mill Discharge Sump

8x6 / 10x8 Horizontal Slurry Pumps
PULP CONDITION & CHALLENGE:

Surge feed variations, high startup torque, and coarse solids turbulence.

ENGINEERING SPECIFICATION:

Horizontal centrifugal slurry pumps with wet-end wear parts in High Chrome, Rubber, or Polyurethane and 1:1 dimensional verification in Durango.

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2. High-Head Slurry Impeller (Closed / Wide-Passage)

Closed Impeller in High Chrome (A05), Rubber, or Polyurethane
PULP CONDITION & CHALLENGE:

Severe impact wear from silica solids and loss of classification head.

ENGINEERING SPECIFICATION:

650+ HB white iron with dynamic balancing on Durango test bench.

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3. Volute Liners, Throatbushes & Frame Plate Liners

Wet-End Wear Lot (e.g., 5 Impellers + 5 Throatbushes + 4 Volutes)
PULP CONDITION & CHALLENGE:

High risk of cutwater perforation and unplanned grinding circuit shutdown.

ENGINEERING SPECIFICATION:

Reinforced liner wall thickness in High Chrome, Rubber, or Polyurethane for extended campaign run-time.

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4. Centrifugal Expeller & Stuffing Box (No Mechanical Seal)

Centrifugal Expeller, Expeller Ring, Shaft Sleeve & Stuffing Box
PULP CONDITION & CHALLENGE:

Lack of high-pressure gland seal water and bearing slurry contamination.

ENGINEERING SPECIFICATION:

Dry centrifugal expeller and braided PTFE/graphite stuffing box (we do not sell mechanical seals due to severe slurry abrasion and corrosion).

Hydrodynamic continuity: uniform air dispersion, agitation mechanisms, and pulp conditioners.
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1. Flotation Cell Mechanisms & Pulp Conditioners

Mechanisms & Conditioners for 50 to 300 ft³ Flotation Cells
PULP CONDITION & CHALLENGE:

Heavy solids sanding at cell bottoms and drive shaft/head wear.

ENGINEERING SPECIFICATION:

Drive heads, shafts, air standpipes, and agitation mechanisms for Rougher, Cleaner, and Scavenger banks.

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2. Flotation Impellers, Diffusers & Wear Spares

Rotors, Stators & Diffusers in Molded Polyurethane and Rubber
PULP CONDITION & CHALLENGE:

Stator finger chemical corrosion and loss of bubble generation capacity.

ENGINEERING SPECIFICATION:

4140 quenched and tempered steel shaft, heavy bearings, and anti-cavitation dispersers.

Process water recovery, filter plates, cloths, and Marcy-type pulp density scales.
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1. Recessed-Plate Filter Presses (800 mm to 1500 mm)

800 mm to 1500 mm Filter Press (up to 16 bar)
PULP CONDITION & CHALLENGE:

High cake moisture, long cycle times, and process water loss.

ENGINEERING SPECIFICATION:

16 bar electro-hydraulic closing with polypropylene plates for concentrates and dry tailings.

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2. Filter Plates, Cloths & Pulp Density Scales (Marcy Type)

Polypropylene Plates, Heat-Sealed Cloths & Marcy Pulp Density Scales
PULP CONDITION & CHALLENGE:

Cloth blinding from clay fines and direct on-site measurement of % solids in slurry.

ENGINEERING SPECIFICATION:

16 bar rated plates and cloths, plus Marcy-type scales with 1000 cm³ container and 12 interchangeable dials.

Request a Quotation for Slurry Pumps or Spare Parts Lots

Specify your pump size or the quantities for your wet-end lot (impellers, throatbushes, volutes, or Bearing Assembly / Housing).

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