SP Series Horizontal Split Case

SP Series Horizontal Split Case

The SP splitcase pumps are used in a variety of commercial, industrial & municipal applications. This heavy wall, Francis design, enclosed, bronze impeller provides a very broad operating range. The casing features an exclusive Thru-Bore line boring machining operation that greatly simplifies manufacturing and maintenance. Bearing & bearing housings can be inspected and/or replaced without removing the top part of the casing. The rotor assembly also features completely removable and replaceable packing housings/seal chambers with a replaceable vortex suppressor. The centerline of the pump has also been increased to ensure that suction and discharge flanges do not interfere with the pump foundation. Each model features 250# cast dimensional flanges and 420 stainless steel shafting.

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  • Performance Specifications:

    • Flows To: 22,000+ GPM (5,00 m³/hr)
    • Heads To: 550 Feet (168 m)
    • Temperatures To: 300ºF (149ºC)
    • Pressure To: 238 psi (1,640 kPa)
    • Speed Ranges: 500 RPM To 3600 RPM
    • Size Range: 2.5×3-10 – 20×24-22


    • Cast iron casing/bronze impeller
    • Exclusive Thru-Bore casing that allows packing housings/seal chambers to be removed with the rotor assembly
    • Bearings & bearing housings can be inspected and/or replaced without removing casing top
    • Grease lubricated bearings with optional oil lubrication
    • Oil lip sealed bearings with optional bearing isolators
    • Fully removable rotor assembly
    • Packing housings/seal chambers are removable with rotor assembly
    • Packing standard with optional FPS-Pumps exclusive Carbon/Silicone-Carbide/Viton mechanical seal or optional single or double cartridge mechanical seal
    • Multi-vane, enclosed, high efficiency impeller with broad band operating range
    • Bronze, API style, stepped case wear rings
    • 125# suction/125# discharge flange with 250# cast dimensions standard
    • Drilled & tapped suction & discharge flanges for easy connection to system piping
    • Suction & discharge gauge connections standard
    • Turned, ground and polished 420 stainless steel shaft standard
    • 50,000+ hour minimum L10 bearing life standard
    • Heavy duty, 304 stainless steel shaft sleeves with exclusive external o-ring groove
    • Single row inboard and single row outboard bearings with optional double row at either location

    Available Metallurgies:

    • Cast iron, ductile iron, all bronze, all 304 stainless steel, all 316 stainless steel