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Fully lined ductile iron casing for durability and long service life
Stage head 73 m; high‑pressure operation up to 750 psi in stages
Through‑bolt design for easy maintenance and reduced downtime
Large impeller diameter + slow speed → high efficiency and maximum wear life
Large, open internal passages reduce operating costs
Thick elastomer and metal liners for superior corrosion and wear resistance
Multiple shaft seal options: gland seal, expeller seal, mechanical seal
| Parameters | Scope |
|---|---|
| Outlet diameter | 100 mm – 450 mm (4″ – 18″) |
| Flowrates | 5000m3/hr [22,000GPM] |
| Head | 73m [240ft] |
Impeller: Front and rear pump-out vanes reduce internal circulation and protect the seal; straight or semi-open vane options available.
Liners: Heavy-duty high chromium liners bolted actively to the casing, not unstable adhesives.
Throatbush: Secured with cotters for wear adjustment to maintain efficiency.
Sealing System: Gland packing, expeller (low-flow or dry-running options), and mechanical seals (various materials) to suit different conditions.
Bearing Assembly: High-quality tapered roller bearings, larger shaft diameters, reduced overhang for long life.
Casing: Split-case design for easy access; cast ductile iron with extensive external ribbing, pressure rating up to 750 psig, suitable for series pumping.
Base: One-piece base with alignment correction mechanism; overhead, side-by-side, or direct-coupled mounting options.
Mineral extraction and processing
Highly abrasive slurries
Mine waste and tailings
Power plant ash and coal
Gravel and sand
Paper and pulp
Alumina, fertilizer, acid neutralization
Chemical intermediates, dyes, solvent transfer
Filter press feeds and pipeline booster stations

Gland Seal: PTFE and graphite packing suitable for highly corrosive or high-temperature conditions.
Expeller Seal : Uses reverse centrifugal force to prevent leakage; applicable when positive inlet pressure is less than 10% of discharge pressure.
Mechanical Seal: Integrative construction, easy installation and replacement, excellent abrasion and vibration resistance for difficult conditions.
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Medium density, strong abrasive slurry: flow range coefficient 40–80%
Low density, high abrasiveness slurry: flow range coefficient 40–100%
Best efficiency point (BEP) corresponds to 100% flow coefficient
Follow safety procedures during installation, operation, and maintenance.
Select the correct rubber or metal lined model based on slurry characteristics.
Regularly inspect and repair the shaft seal.
Adjust impeller clearance as necessary.
Replace worn parts.
Check bearing lubrication.
Keep idle pumps clean and in good condition.
Wide application range, high efficiency, easy maintenance, excellent cost-performance ratio.
Rubber-lined pumps can use multistage tandem technology for long-distance transport.
Concentric casing and recessed impeller design reduce product degradation and shearing.
Can pump slurries with up to 30% entrained air without air locking.
Large solids passage without clogging.
Heavy-duty concentric casing eliminates radial loads, extending pump, seal, and bearing life.
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