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Carver - Model RS -Multistage Ring Section Pump
Our process duty, horizontal ring section multistage pump. Designed for moderate to high-pressure pumping, the RS is available in seven basic sizes with overall performance to 2,600 HP.
The RS is offered with Class 300 ANSI R.F. inlet flanges and Class 600 or 900 ANSI R.F. discharge flanges, depending on the pressures and number of stages involved. Hydraulic performance extends to 2,000 GPM and 3,400 ft. TDH, making it ideally suited for the most demanding industrial and process applications.
The RS design incorporates a product-lubricated, advanced composite material, sleeve-type radial bearing at the outboard (discharge) end. The thrust bearings are two matched angular contact ball bearings located at the inboard (suction) end of the pump. An optional outboard mechanical seal with an inboard radial ball bearing is also available. The RS has oil-lubricated ball bearings, which can be water cooled. Larger units can also be fan cooled.
The available materials of construction, from ductile iron to duplex stainless steel, offer combinations suitable for all applications from general water services to light abrasives and corrosive applications. Our proprietary advanced composite material, available for wear rings and interstage bushings, offers high-temperature performance, and exceptional resistance to wear and corrosion.
HYDRAULICS
FLOWS TO
2,000 US GPM
454 m3/hr
HEADS TO
3,400 FT.
1,000 m
PRESSURES TO
1,500 PSIG
100 bar
TEMPERATURES FROM
-20° F TO 300° F
-30° C to 149° C
SPEEDS TO
3,550 RPM
Materials of Construction
- Casing: Ductile Iron or CD4MCuN
- Impeller: Cast Iron or CD4MCuN
- Diffuser: Cast Iron or CD4MCuN
- Shaft: 17-4PH SS
- Sleeve Bearing: Composite Material
- Other materials of construction available upon request.
Design Data
- Rotation: Clockwise as Standard
- Flange Positions: 3 Positions for Each
- Suction Flange: Class 300 ANSI R.F.
- Discharge Flange: Class 600 or 900 ANSI R.F.
Use cases
- Amine treating and recirculation
- Boiler feed
- Caustic and chemical feed
- Coating, surface treatment and spray paint systems
- Cooling tower water recirculation
- Desalination and reverse osmosis
- Ethane and polyethane
- High rise building sprinklers
- Hot oil applications
- Irrigation systems
- Large vehicle washers
- Light hydrocarbon transfer
- Lube oil supply for rotating equipment
- NOx water transfer
- Paper mill shower water
- Sanitary washdown services
- Ski resort snowmaking systems
- Ultra-high purity water wash systems
- Various OEM and proprietary systems
- Wastewater treatment systems
