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<strong>WP</strong> <strong>1250X</strong>Rock Valve Pump - Trailer MountedL I N E P U M P S• <strong>Concrete</strong>• Shotcrete• GroutTandem Axle and Hydraulic Outriggers (standard)• Output to 95 cu.yds./hr.• Pressure to 942 psi• 1.5” Max. AggregateChoose the <strong>WP</strong> <strong>1250X</strong> for all-around performance handling boom pump mixeswith ease. The field-proven Rock Valve provides the lowest cost per yard inmaintenance and smooth shifting for continuous performance. Pump hard rockconcrete, shotcrete or mortar and maintain volume over long distances. Returnon investment is extremely high with Schwing trailer pumps.
<strong>WP</strong> <strong>1250X</strong>Technical Data<strong>WP</strong> <strong>1250X</strong>U.S. Metric<strong>Concrete</strong> Output (cu.yds./hr/cu.m/hr) 95 73Max. Pressure on <strong>Concrete</strong> (psi/bar) 942 65Max. Horizontal Pumping Distance* (ft/m) 977 300Max. Vertical Pumping Distance* (ft/m) 285 87Max. Pump Strokes/Min. 34@2300Max. Aggregate Size* (in/mm) 1.5 38<strong>Concrete</strong> Valve TypeLong RockShifting CylindersDual<strong>Concrete</strong> Cylinder Diameter (in/mm) 7 180<strong>Concrete</strong> Cylinder Stroke Length (in/mm) 55 1400Differential Cylinder Diameter (in/mm) 3.14 80Differential Cylinder Length (in/mm) 55 1400Outlet Diameter (in/mm) 5 125Hopper Capacity (cu.ft/cu.m) 11 0.31Charging Hopper-Height (in/mm) 54 1372Engine ModelDeutz BF4M1013CEngine Power (h.p./kw@2300RPM) 150 112Electric Powered (h.p./kw) 125 93Hydraulic Circuits: System #1Conc. PumpSystem #2Twin CircuitSystem #3AgitatorHydraulic Pumps: System #1 Axial Piston, Variable Displacement with Output RegulatorSystem #2Axial Piston, Variable DisplacementSystem #3Gear Driven, Fixed DisplacementHydraulic Tank Capacity (gal/ltr) 98 370Fuel Tank Capacity (gal/ltr) 50 189SuspensionTorsion SpringLength (in/cm) 209 530Width (in/cm) 76 193Height (in/cm) 87 221Trailer Units Weight (lb/kg) 9200 4173Remote Control - Fwd / Rev / Off / E-Stop w/ cable (ft/m) 100 30(Wireless Remote Control Optional)The heart of the concrete pump is the Rock Valve, offeringexemplary pumping characteristics, wearing properties andoperational reliability. Optional E-Rock offers extended housingand valve assembly to promote feeding of harsh mixes. This isa popular choice for Schwing’s boom pump models and now the1250 benefits from the optional Rock Valve.*Pumping distances shown are to be used as a guide only since they have been considerablyexceeded on specific projects. Maximum attainable distances depend upon concrete mix designand pipeline diameter. Maximum output and distance cannot be achieved simultaneously.**Pump specifications are for standard units. Other units are available.Specifications subject to change without notice.L I N E P U M P S1300 Gresham RoadMarietta, GA 30062800-237-8960678-560-9801FAX 678-560-1269www.schwing.comRepresented byPrinted on Recycled PaperThe Rock Valve and Roll and Fold® are registered trademarksof Schwing America.12/04-2500
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