PP1818S22 Vacuum Assisted Centrifugal Pump Pioneer
Designed to run over a broad range of performance while delivering outstanding suction lift, the PP1818S22 is the solid choice. The rugged construction and oversized shaft provide proven reliability in the most demanding applications. The optional 27% Chrome Iron construction will carry slurries and abrasive materials with minimal degradation, reducing maintenance costs over the life of the pump.
PUMP PERFORMANCE CURVE
| Performance | |
|---|---|
| Size | 18" x 18" |
| Max Flow (M3/H) | 4370M3/H |
| Max Flow (USGPM) | 19,000 USGPM |
| Max Flow (L/S) | 1200L/S |
| Max Head (M/FT) | 70M / 220FT |
| Flow at BEP (M3/H) | 2990M3/H |
| Flow at BEP (USGPM) | 13,000 USGPM |
| Flow at BEP (M3/H) | 820L/S |
| Efficiency at BEP | 80% |
| Max Solids Handling (IN/MM) | 4.5" / 114mm |
| Max Operating Speed | 1180RPM |
| Suction Connection | 18" 150 ANSI Flanges |
| Delivery Connection | 18" 150 ANSI Flanges |
| Lubrication | Oil STD (Grease Optional) |
| Fasteners | Imperial |
| | UltraPrime™ Priming System |
|---|---|
| Priming System | Mechanically Driven Diaphragm Style Vacuum Pump |
| Air Removal Capability | 50 CFM |
| Priming Chamber | Single chamber with positive sealing air separation PosiValve™ with stainless steel float ball & linkage |
| Discharge Check Valve | Swing Style - ductile iron with Buna-n Disc |
| | Other Specifications |
|---|---|
| Mechanical Seal | Single seal w/ tungsten carbide vs. silicon carbide seal faces, Viton® elastomers, 300 series stainless steel hardware and spring, designed for indefinite dry running |
| Pump end Bearing | Single Roller |
| Drive End Bearing | Double Row Angular Contact |
| Shaft | ASTM A630 17-4PH Cond HT1150 SS |
| Construction Materials Options | |||
|---|---|---|---|
| Standard Construction | Optional Constructions | Optional Constructions | |
| Impeller | Ductile Iron | CD4MCu | 316 SS |
| Wear Ring | Cast Iron | 316 SS | 316 SS |
| Suction Cover | ASTM A536 65-45-12 | CD4MCu | 316 SS |
| Volute | ASTM A536 65-45-12 | CD4MCu | 316 SS |
| Brac-plate | ASTM A536 65-45-12 | CD4MCu | 316 SS |
| Back-plate | ASTM A536 65-45-12 | CD4MCu | 316 SS |