The SCP RA series heavy-duty oilfield centrifugal pumps are versatile, compact end-suction centrifugal pumps engineered for cementing, fracturing, sand mixing, drilling and general water transfer operations in onshore and offshore oilfield service. The RA series comprises three core models — RA 50 (water supply & general service), RA 100 (medium-flow mixing & transfer) and RA 200 (large-flow high-pressure main pump) — sharing a standardized wet end and power frame design for simplified parts inventory and maintenance. Each model features a heavy-duty single-stage volute casing with rear pull-out back pull-out design for easy impeller and mechanical seal access without disturbing piping connections. The fully enclosed ODP/TEFC motor with high-efficiency impeller profile delivers reliable, energy-saving continuous operation under harsh oilfield environmental conditions.
Three core models in the RA series:
RA 50 (Water Supply & General Service): The RA 50 is a light to medium-duty centrifugal pump for clean water supply, sump dewatering and general fluid transfer in oilfield surface equipment support roles. It handles water, light mud and low-viscicity process fluids with up to 50 GPM capacity at moderate discharge heads.
RA 100 (Medium-Flow Mixing & Transfer): The RA 100 is the standard duty oilfield centrifugal pump for cement mixing, fracturing blender hydration, sand slurry transfer and produced water handling applications. It provides reliable medium-flow pumping with up to 100 GPM capacity at 300-500 FT head, constructed with replaceable wear parts for abrasive fluid service.
RA 200 (Large-Flow High-Pressure Main Pump): The RA 200 is the large-flow high-pressure variant designed for main fracturing blender discharge, high-rate cementing and high-volume water injection services. It delivers up to 200 GPM capacity at 500-700 FT head, with heavy-duty shaft and bearing assembly for continuous high-load operation.
Compact end-suction centrifugal design, easy installation and alignment with prime mover
Standard end-suction back pull-out configuration allows compact skid or trailer mounting with direct motor coupling, simplifying alignment and reducing installation footprint.
Three standardized models (RA 50 / RA 100 / RA 200) share common wet end & power frame
Unified power frame and wet end dimensions across the RA series allow interchangeability of wearing parts such as mechanical seals, impellers and wear rings between all three models, greatly simplifying fleet spare parts management.
Rear pull-out back pull-out design for fast impeller and seal access without disturbing piping
Back pull-out design enables impeller, mechanical seal and wear ring inspection or replacement without disconnecting suction or discharge piping, minimizing maintenance downtime during critical jobs.
High-efficiency enclosed impeller profile for reduced power consumption
Computer-optimized enclosed impeller geometry delivers best-efficiency-point (BEP) hydraulic performance across the full operating range, reducing energy consumption and operating costs.
Replaceable casing wear rings and shaft sleeve extend pump service life
Replaceable casing wear rings and hardened shaft sleeve protect the casing and shaft from abrasive wear in sand-laden or cement slurry service, significantly extending the pump overhaul interval.
Fully enclosed ODP/TEFC explosion-proof motor, suitable for hazardous oilfield zones
Standard explosion-proof motor enclosure meets oilfield hazardous area classification requirements, enabling safe operation in Class I Division 1 or 2 locations.
Available in 316 stainless steel or duplex alloy for corrosive and sour service
Corrosion-resistant material options including 316 SS and duplex stainless steel are available for H2S sour gas, CO2 and high-chloride brine service environments.
Standardized API-610 baseplate mounting and dimensional envelope
Baseplate dimensions and nozzle orientations conform to API-610 (ISO 13709) standard, ensuring field interchangeability with other API compliant centrifugal pumps.
Cement mixing & displacement pumping for oil & gas well cementing operations
Fracturing blender sand slurry mixing & hydration water supply
Drilling rig mud mixing, transfer and circulation support pumping
Produced water transfer and injection well water supply
Sump dewatering and general purpose fluid handling on wellsite
Water transfer & boosting for hydraulic fracturing operations
Chemical injection and low-pressure additive metering services
Three-model standardized series with common wearing parts reduces spare parts inventory requirements
RA 50, 100 and 200 share the same mechanical seal, impeller hub dimensions and wear ring design, allowing a single spare parts kit to service all three pump models in the fleet.
Back pull-out design cuts maintenance time by up to 50% compared to conventional close-coupled pumps
Maintenance crews can access the impeller and seal without breaking pipe connections, significantly reducing repair turnaround time during high-pressure fracturing operations.
High-efficiency impeller profile reduces power draw by 5–8% compared to generic oilfield centrifugal pumps
BEP-optimized hydraulics deliver measurable energy savings in continuous pumping applications, reducing total cost of ownership over the pump service life.
Replaceable wear components protect main casing from abrasive damage, extending overhaul interval by 2–3 times
Replaceable casing wear rings and shaft sleeve absorb abrasive wear in sand-laden fluids, protecting the costly pump casing from erosion damage and extending time between major overhauls.
Standard API-610 footprint ensures drop-in replacement for existing pump installations
Conformance to API-610 dimensional standards means the SCP RA series can be installed as a direct replacement for existing API pumps without baseplate or piping modification.
Corrosion-resistant alloy options available for H2S sour service and high-chloride brine environments
316 SS and duplex stainless steel metallurgies are offered for corrosive wellsite fluid applications, providing long-term corrosion resistance in sour gas and brine service.
Mass production with global export experience ensures fast delivery and competitive pricing
Large-batch production and established supply chain relationships ensure short lead times and factory-direct pricing for both single-unit and fleet-scale pump orders.
Q: Are the three RA models (50, 100, 200) interchangeable on the same baseplate?
A: Yes, all three models share the same power frame dimensions and nozzle centerline heights, allowing direct swap between RA 50, 100 and 200 on the same baseplate without piping modification.
Q: What mechanical seal options are available?
A: Standard single cartridge mechanical seal is included. Double seal, API-682 seal flushing plans and high-temperature seal face materials are available for specialized services.
Q: Can these pumps handle sand-laden fracturing fluids?
A: Yes, the RA 100 and RA 200 models are equipped with replaceable casing wear rings and hardened shaft sleeves specifically for abrasive sand slurry and fracturing fluid service.
Q: What is the maximum working temperature?
A: Standard construction handles up to 180°F (82°C). High-temperature options with fluorocarbon elastomers and upgraded bearing cooling are available for up to 300°F (149°C) service.
Q: Do you provide complete pump unit packages with motor and baseplate?
A: Yes, we supply fully assembled pump-motor units on a common baseplate with coupling guard, ready for field piping connection and start-up.
We manufacture and export the full SCP RA series oilfield centrifugal pumps including RA 50, RA 100 and RA 200 models. Custom metallurgy, mechanical seal arrangements, motor voltages and special coatings are available. Send your required flow rate, discharge head and fluid characteristics to our engineering team for a detailed technical datasheet and factory quotation.
