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RD & RS Series® (Roto Prime) RS2A31-B
Features
Size: 3" x 2" (76 mm x 51 mm) Flanged.
Casing: (RS2A31-B) Ductile Iron 65-45-12.
(RS2A32-B) Cast Steel 70-36.
Maximum Operating Pressure 48 psi (331 kPa).*
Enclosed Type, Four Vanes Impeller: Aluminum 356-T6.
Handles 1/4" (6,4 mm) Diameter Spherical Solids.
Impeller Shaft: Steel 1045.
Rotor: Copper Alloy C93200.
Bearing Housing: Ductile Iron 65-45-12.
Bearing Housing Lubrication: Grease.
Body Cover: (RS2A31-B) Ductile Iron 65-45-12.
(RS2A32-B) Cast Steel 70-36.
Center/Spacer Plate: (RS2A31-B) Ductile Iron 65-45-12.
(RS2A32-B) Cast Steel 70-36.
Radial Bearing: Permanently Sealed Single Row Ball Type.
Thrust Bearing: Permanently Sealed Single Row Ball Type.
Gaskets: Vegetable Fiber, PTFE and Cork.
Priming: Rotary Vane Type with Built-in Spring-Loaded Priming Assist Valve.
Optional Equipment: Cast Steel 70-36 Threaded Suction and Discharge
Companion Flange Kit, Copper Alloy C93700 Impeller, Group Grind with Cast
Iron Rotor (RS2A31-B Only), Stainless Steel 416 Impeller Shaft, Buna-N Seal,
PTFE Seal with Viton O-Ring, PTFE Seal with Buna-N O-Ring, Oil Filled
Bearing Housing Assembly.
*Consult Factory for Applications Exceeding Maximum Pressure and/or
Temperature Indicated.
Specifications
| Suction | 3" (76 mm) |
| Discharge | 2" (51 mm) |
| Solids Handling | 0.25" (6 mm) |
| Material | Ductile Iron |
| Impeller Material | Aluminum |
| Seal Material | Carbon/Ni-Resist |
| Flange | ASA |
| Drive Type | Basic |