DOOR 2 • PLANT OPERATIONS, MAINTENANCE & SPARES

Slurry Pumps & Spare Parts

Direct 1-click selection of wet-end wear parts in balanced 5-5-4 lots (High Chrome ≥650 HB, Natural Rubber, and Polyurethane), complete Bearing Assembly cartridges, and our 5-station pump assembly report.

CONSOLIDATED PUMPING & WEAR SPARES CATALOG (3-TAB XOR CONSOLE)

5-5-4 Wet-End Kits, Sub-Assemblies & Universal Part Number Sheets

Compare the physical geometry of each wet-end kit: 1-piece monolithic High Chrome Cr27% or SiC Ceramic composite volute vs. split two-half liners (FPL + CPL) in vulcanized Natural Rubber or cast Polyurethane.

HIGH CHROME Cr27% • ≥650 HB

Metallic Kit (Primary Mill & Cyclone Feed)

Kit parts: Monolithic Volute + 5-Vane Impeller + Throatbush + FPL Insert.
Operating envelope: Coarse impact d₅₀ > 6 mm, v_tip ≤ 32 m/s, pH 4.0–12.0.

NATURAL RUBBER • 55–65 SHORE A

Elastomer Kit (Fine Tailings & Flotation)

Kit parts: Cover Plate Liner (CPL) + Frame Plate Liner (FPL) with steel backing + Impeller + Throatbush.
Operating envelope: Fine slurry d₅₀ ≤ 5 mm, v_tip ≤ 27.5 m/s, pH 1.5–11.0.

POLYURETHANE • 85–95 SHORE A

Polyurethane Kit (Cyclones & Reagents)

Kit parts: Yellow/Red Polyurethane CPL + FPL Liners + PU Impeller + PU Throatbush.
Operating envelope: Sharp particles d₅₀ ≤ 8 mm, reagent, oil, and froth resistance.

SiC CERAMIC • ≥2200 HV (MOHS 9.2)

Silicon Carbide Composite Kit (Fine Silica & Extreme pH)

Kit parts: SiC Composite Volute + SiC Throatbush + Cr27/SiC Impeller.
Operating envelope: Severe silica d₈₀ ≤ 800 µm, u₂ ≤ 28.0 m/s, K_Ic = 4.1 MPa·√m, pH 1.0–13.5.

FIELD ENGINEERING • SLURRY PUMP ASSEMBLY & EXPLODED BOM REPORT (14 PARTS)

How a Heavy-Duty Slurry Pump is Assembled (5-Station Sequence)

From the Drive-End Bearing Cartridge to suction closure and front axial clearance calibration (δ = 0.5–1.0 mm). Select your wet-end configuration to filter parts and quote in 1 click:

drive_end STEP 01

Station 1: Drive End & Structural Frame

Base frame with micrometer screw and ISO 281 Bearing Assembly cartridge.

Check: Drop-in sealed cartridge module (ISO 281 tapered rollers p = 10/3)
Quote drive_end →
sealing_fork STEP 02

Station 2: Centrifugal Shaft Sealing Fork (Zero Mechanical Seal)

Hardened shaft sleeve, expeller ring, and dry dynamic expeller or gland packing.

Check: Dry centrifugal expeller seal prevents pulp dilution and abrasive seal failure
Quote sealing_fork →
wet_end_fork STEP 03

Station 3: Bifurcated Wet-End Assembly (5 – 5 – 4 Wear Lot)

Branch A Metal (Monolithic Volute + FPL Insert) vs Branch B Elastomer (FPL + CPL).

Check: Coupled wear rotation: 5 Impellers : 5 Throatbushes : 4 Volutes/Liners
Quote wet_end_fork →
suction_closure STEP 04

Station 4: Split-Casing Closure & Suction Cover Plate

Conical Throatbush seating and closure with suction-side Cover Plate.

Check: Symmetrical cross-pattern torque on outer split casing
Quote suction_closure →
axial_calibration STEP 05

Station 5: Post-Assembly Front Axial Clearance Calibration (δ = 0.5 – 1.0 mm)

Axial Bearing Assembly adjustment to suppress front-shroud recirculation.

Check: Suppresses front-shroud recirculation vortex Δην ∝ (δ/b2)^1.5
Quote axial_calibration →
EST-05 • LIVE CALIBRATOR Simulate Front Axial Clearance (δ_frontal), Volumetric Loss (Δη_v) & 5-5-4 Wear Lot Impact Open simulator δ = 0.1–5.0 mm ▾
VOLUMETRIC DROP (Δη_v) 1.68% 1.00× baseline recirculation
CALIBRATION STATUS OPTIMAL CALIBRATION (0.5–1.0 mm) Pipe Vc margin impact: -1.43%
5-5-4 WEAR LOT IMPACT 5:5:4 (Coupled nominal wear lot) Quote Throatbush / Kit with this δ →
BRANCH MASS & INTERFERENCE 736.2 kg • 6 NIOSH hoists (≥23 kg) Sequence 01–05 valid with zero axial collision

14-Component Exploded Bill of Materials (BOM) & Direct Quote Selection

Quote Complete 5-5-4 Wet-End Kit →
Pos # Station Branch / Config Component / Spare Part Mass / NIOSH Hoist Specification & Assembly Function Direct Action
#01 EST-01 Common Pump Frame / Pedestal Base 165 kg 165.0 kg (Hoist ≥23 kg • LI_shaft=14.86) Machined cradle with external axial adjusting screw Quote part →
#02 EST-01 Common Bearing Assembly Cartridge (Shaft + ISO 281 Bearings) 94 kg 94.0 kg (Hoist ≥23 kg • LI_shaft=8.47) Back-to-back tapered roller bearings + labyrinth seals Quote part →
#03 EST-02 Common Hardened Shaft Sleeve + Seal O-Rings 7.8 kg 7.8 kg (1-Tech Manual Safe ≤11.1 kg • LI_shaft=0.70) Hardened alloy / ceramic-coated sleeve in seal zone Quote part →
#04 EST-02 Common Expeller Ring / Stuffing Box Housing 29 kg 29.0 kg (Hoist ≥23 kg • LI_shaft=2.61) Secondary seal chamber with grease port or lantern ring Quote part →
#05 EST-02 Common Centrifugal Dry Expeller 16.5 kg 16.5 kg (2-Tech Shaft Mount 11.1–23 kg • LI_shaft=1.49 vs 11.1 kg) Auxiliary rotor that relieves stuffing box pressure without water Quote part →
#06 EST-03 Common Frame Plate (Drive-Side Outer Casing) 128 kg 128.0 kg (Hoist ≥23 kg • LI_shaft=11.53) Rear ductile iron structural half-casing with mounting studs Quote part →
#07 EST-03 Branch A • High Chrome Frame Plate Liner Insert (FPL Insert — Rear Wear Plate) 48 kg 48.0 kg (Hoist ≥23 kg • LI_shaft=4.32) ASTM A532 Cr27% (≥650 HB) rear wear plate with studs Quote part →
#08 EST-03 Branch B • Rubber / PU Molded Frame Plate Liner (FPL — Rubber or Polyurethane) 26.5 kg 26.5 kg (Hoist ≥23 kg • LI_shaft=2.39) Natural Rubber (55–65 Shore A) or Polyurethane with steel backing Quote part →
#09 EST-03 Both Branches (5-5-4) 5-Vane Closed Slurry Impeller 68 kg 68.0 kg (Hoist ≥23 kg • LI_shaft=6.13) With back pump-out vanes; High Chrome ≥650 HB, Rubber, or PU Quote part →
#10 EST-03 Branch A • High Chrome Monolithic High-Chrome Volute Liner 162 kg 162.0 kg (Hoist ≥23 kg • LI_shaft=14.59) 1-piece Cr27% high-chrome scroll liner for coarse primary duty Quote part →
#11 EST-03 Branch B • Rubber / PU Cover Plate Liner (CPL — Suction-Side Split Liner) 28 kg 28.0 kg (Hoist ≥23 kg • LI_shaft=2.52) Front elastomer half-liner that mates with FPL to form the volute Quote part →
#12 EST-04 Both Branches (5-5-4) Suction Wear Ring (Throatbush) 44 kg 44.0 kg (Hoist ≥23 kg • LI_shaft=3.96) Conical front wear face; controls suction eye recirculation Quote part →
#13 EST-04 Common Suction Cover Plate & Casing Clamp Bolts 118 kg 118.0 kg (Hoist ≥23 kg • LI_shaft=10.63) Flanged suction outer casing half with lifting lugs and clamp bolts Quote part →
#14 EST-05 Complete Kit Synchronized 5-5-4 Wet-End Kit (5 Liner Sets + 5 Impellers + 4 Seals) 1410 kg 1410.0 kg (Hoist ≥23 kg • LI_shaft=127.03) Campaign-synchronized wet-end lot with δ = 0.5–1.0 mm calibration Quote part →
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)
View Grinding Circuit P&ID Map & Metallurgical Rules by Role P&ID APPENDIX ▾
CIRCUIT-LEVEL GROUNDING & METALLURGICAL RULES

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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Design flow rate (m3/h), total dynamic head TDH (m), slurry specific gravity (SG 1.1 to 1.7), d80 particle sizing (microns), and mine elevation above sea level.

Metallurgy Rule: Specify drive train with minimum 1.35 service factor. High Chrome A05 for coarse angular slurries; vulcanized rubber for fine solids under 5 mm with flotation reagents.

Risk Prevented: Prevents skid torsional vibration, shaft deflection, and premature bearing overheating under slurry surge startup conditions.
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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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Slurry specific gravity (SG), solid concentration by weight (Cw %), d80 particle distribution, and operational slurry pH.

Metallurgy Rule: A05 (650+ HB) mandatory for quartz or silica over 35%. Vulcanized natural rubber mandatory for pH under 4.5 or sodium cyanide solutions with fine solids.

Risk Prevented: Prevents accelerated clearing back-vane erosion and premature pressure loss to classification hydrocyclones.
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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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Discharge peripheral velocity (m/s), piping configuration, top particle size (mm).

Metallurgy Rule: Reinforced cutwater thickness. In slurries with oversize rocks over 12 mm avoid rubber; deploy heavy-section High Chrome A05 alloy.

Risk Prevented: Prevents split-casing breakthrough perforation and uncontrolled slurry containment spills in plant sumps.
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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).

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Suction pressure (bar / psi), gland flush clean water availability at positive head, and frother chemical content.

Metallurgy Rule: High Chrome A05 centrifugal dynamic expeller when gland flush water is unavailable in sumps; braided PTFE/graphite stuffing box when positive-pressure gland water is available (no mechanical seal).

Risk Prevented: Eliminates shaft sleeve scoring and bearing contamination caused by slurry ingress through the stuffing box.
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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Daily processing throughput (t/d), slurry solids density (%), target kinetic residence time (min), and bank role (Rougher/Scavenger/Cleaner).

Metallurgy Rule: Structural plate tank (6 to 10 mm) with hot-vulcanized internal abrasion rubber lining. Dart valves with pneumatic or manual positioning.

Risk Prevented: Prevents heavy solids sanding at tank bottoms and premature froth weir erosion due to pulp turbulence.
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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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Cell volume (50 to 300 ft3), rotor angular tip speed (RPM), motor installed power, and collector/frother chemistry.

Metallurgy Rule: High-modulus molded rubber rotor and stator disperser over steel cores. Quenched and tempered alloy shaft with double spherical bearings.

Risk Prevented: Prevents drop in air dispersion, short-circuiting, and metallurgical recovery losses from worn disperser fingers.
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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Slurry feed volume (t/h), initial solids percentage, and target cake residual moisture (< 15% for geotechnical dry stacking).

Metallurgy Rule: Recessed chamber and membrane squeeze plates for secondary compression. 10 to 16 bar filtration pressure with heavy-duty structural sidebars.

Risk Prevented: Prevents wet unstable filter cakes unsuitable for dry stacking and excessive cycle discharge downtime.
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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.

METALLURGICAL RULE & SLURRY VARIABLES:

Process Inputs: Plate dimensions (800x800 to 1500x1500 mm), slurry pH, operating slurry temperature (°C), and required cloth permeability (L/dm2/min).

Metallurgy Rule: Monofilament polypropylene cloths with heat-sealed borders for abrasive tailings; multifilament weave for fine flotation concentrates.

Risk Prevented: Prevents premature cloth blinding, filtrate turbidity leaks, and peripheral plate edge weeping.