LSA-S Slurry Pumps
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These high-performance, low-maintenance slurry pumps are applied primarily in ore transport, mill discharge, cyclone feed, tailings and plant process. The LSA-S can also be found in environmental cleanup, dewatering (low head type), pulp and paper (liquor transfer), food processing (sugar and sugar beets), coke and resin pumping and ash handling.
Total dynamic head is to 300 feet (90 meters) per stage and discharge diameters are from two to 26 inches (50 millimeters to 660 millimeters). Power rating is up to 4,000 horsepower (3.000 kilowatts).
The LSA-S offers all-metal pumps with proven, long-wearing designs. The LSA-S 's modular design affords a high degree of interchangeability between metal and elastomer wear parts and mechanical components. This interchangeability simplifies your maintenance programs and allows you to vary operating conditions at minimal cost.
Purchase Fewer Wear Parts
The LSA-S slurry pump wet end features only three main wear parts: the shell with built-in hub-side liner; the impeller; and the suction-side plate liner. WET END features a removable suction liner for ease of maintenance.
Materials
Wear parts are manufactured of our Gasite® WD28G white-iron alloy. Gasite white-iron castings are stress relieved and heat treated for optimum properties.
Other speciality white irons are available. These include: Gasite 4G, an abrasion-resistant, nickel-chromium white iron; Gasite 27G, an abrasion-resistant, high-chromium white iron; Gasite WD29G for handling large rocks; and Gasite 38G for extremely abrasive, low stress conditions. Polyurethane and other elastomers are also available.
Polyurethane is a two-part elastomer resin that has higher hardness and strength than most rubbers. It is the standard material for LSA-S elastomer-lined impellers. Polyurethane exhibits excellent resistance to fine particle abrasion and good chemical resistance.
For more information or selection recommendations, call your GIW representative.
Reduce and Simplify Maintenance and Maximize Wear Life
The features built into LSA-S Series Slurry Pumps reduce maintenance costs. For example, the cast ring on the hub side of the shell fits into a RABBET GROOVE on the pedestal. It supports the weight of the shell and provides automatic alignment. It also allows the shell to be installed in any discharge position of 45 degree increments.
Seal Areas
GIW uses two designs for stuffing box assemblies. Our standard design is a Forward-Flush Design for severe applications where maximum flush of the shaft sleeve is required. The minimum dilution design is a restricted Low-Flow Design recommended for applications where available seal water is limited or where dilution of the slurry presents problems. For both designs, seal water should be furnished at 10 psi above the discharge pressure.
Mechanical seals, which require special selection, operation and maintenance are available as an option.
Oil and Temperature Gauges
SIGHT GLASS AND TEMPERATURE GAUGE allow monitoring of bearing assembly oil level and temperature.
Temperature Limits
Normal temperature limit is 150° F (65° C). Consult your GIW representative for materials and configurations for temperatures above 150° F (65° C) and up to 250° F (120° C).
Operating Limits
Capacities (Q max.) 100 - 60,000 gpm / 20 - 14,000 m3/h
Heads (H max.) 300 ft. / 90 m
Motor Mount Arrangements
GIW pumps with overhead motor mount arrangements do not require a separate base plate. The pump pedestal can be bolted directly to a concrete foundation with the motor mounted on the pump's motor mounting structure. GIW pumps with side motors do not require a subbase: the pump and motor with slide rails can be mounted to concrete foundation. Some field installation and alignment of the motor and drive are required after installation of the pump.
Optional Slurry Diverter
GIW’s latest technology dramatically increases suction liner life by reducing particle recirculation between the impeller and liner.
Testing
Our performance curves are based on actual, full-size running tests on clear water. We guarantee our pump performance according to the Hydraulic Institute standards.
Hydrostatic tests can be carried out on all pumps at no additional charge in accordance with GIW ISO 9001 procedure 10.0001.01.00. These are performed at 1-1/2 times the operating pressure or 125 psi, whichever is greater.
Your Next Step
- Contact GIW Industries.
- Find your local GIW representative.
- Order pumps or request a pump quotation.
- Order parts or request a parts quotation.
Applied in salt slurry pipeline.
For tailings disposal at Argyle Diamond.
Washer recycle water pump at C.F. Industries.
In tailings disposal at gold mine in California.
Booster pump station with 22-inch pipe.
At FMC Wyoming installation.
Tailings pump in service at LTV Steel.
Recycle water pumps at Freeport Indonesia Copper & Gold Company.
Pump in cyclone feed at Kennecott Copper.
Tailings pump for zircon concentrate with solids sg of 2.65 and slurry sg of 1.15 in the Ukraine.
Mill discharge pump for primary grinding application. GIW built four of these pumps for Minera Escondida Ltd. in Chile. These are the world's largest mill discharge pumps. They handle flows up to 38,000 gpm (8.600 m3/h) and have 2,500 hp (1.860 kW) drivetrains.
