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.
| 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. |
| 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. |
Shafts
17-4PH stainless steel as standard.
Ball Bearings
Oil lubricated angular contact ball bearings to handle axial thrust in either direction.
Stuffing Box
Accepts either component or cartridge type mechanical seals.
O-rings
O-ring sealed casing and interstages assure leak-free operation.
Flanges
Class 300 ANSI R.F. inlet flange and Class 600 or 900 ANSI R.F. discharge flanges.
Casing
Ductile iron or CD4MCuN duplex stainless steel casing as standard.
Sleeve Bearings
Radial sleeve-type bearing made of standard Carver composite material.
Optional Ball Bearing Design
Optional matched angular contact ball bearings on outboard end with grooved radial ball bearing on inboard.
Wear Rings
Replaceable front and rear wear rings at each pump stage as standard.
Interstage Bushing
Replaceable interstage bushing made of composite or hardened metal.
First-Stage Impeller
Special low NPSH first-stage impeller
Shaft Sleeves
Stainless steel shaft sleeves as standard.
Optional Cooler
Included when temperatures exceed 220° F.
| RS Series for Units after Dec 2015 – Current - IOM (7 MB) | Download |
| RS Series – Built after July 2010 thru December 2015 - IOM (2 MB) | Download |
| RS Series ATEX Rev 0 – Before July 2010 - IOM (2 MB) | Download |
| RS Series S/N 164313 thru July 2010 - IOM (3 MB) | Download |
| RS Series S/N 158587 thru 164312 - IOM (3 MB) | Download |
| RS Series S/N 158586 and Older - IOM (2 MB) | Download |
| RS Series Techbook - (8 MB) | Download |
