Self-Priming Pumps
GS Series Wet Prime Centrifugal Pumps
Self-Priming Pumps
GS Series Wet Prime Centrifugal Pumps
Ideal for lift stations, municipal sewer, or industrial wastewater needs, the Pioneer Pump® GS Series is a cost-effective solution for high head applications with high performance demands. These robust self-priming sewage pumps are available in 3, 4, 6, 8, and 10-inch sizes, with maximum flow rates up to 3,450 gpm, a maximum head of 175 feet, and solids handling capabilities of up to 3 inches. Offered assembled as part of a full pumping package or as a standalone pump, the GS Series provides industry consistency in rotating assembly interchangeability and pump footprint when compared to other manufacturer models.
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Overview
Features & Benefits
- Rotating assembly utilizes a double-lip seal with atmospheric drain for additional bearing protection
- Simple, external shimless impeller adjustment from either the rotating assembly or cover plate allows for increased wear life and ease of adjusting tolerance
- Removable cover plate with convenient grip handle for ease of maintenance; incorporates jack bolts for aiding in removal
- Cartridge-type, oil-lubricated tungsten versus silicon carbide mechanical seal for simple installation and ease of maintenance
- AISI 4140 steel steel shaft is corrosion-resistant, easy to maintain, and highly reliable
- Standard, heavy-wall volute for durability and peace of mind
- Semi-open, trash-handling, dynamically-balanced ductile iron impeller
- FKM O-rings allow for use in a wide range of applications
- Available in other alloys, including CD4Mcu stainless steels
Specifications
GS Series Performance Curve
Order Information
GS3
| Item | Suction | Discharge | Impeller Dia. | Priming Type | SAE Size | Volute Material |
|---|---|---|---|---|---|---|
| SPHFGS3-000-S | 3 " | 3 " | 8.75 " / 222 mm | Wet Prime | None | Cast Iron |
| SPHFGS3-001-S | 3 " | 3 " | 8.75 " / 222 mm | Wet Prime | None | Cast Iron |
| SPHFGS3-004-S | 3 " | 3 " | 8.75 " / 222 mm | Wet Prime | None | CD4MCu Stainless Steel |
| SPHFGS3-005-S | 3 " | 3 " | 8.75 " / 222 mm | Wet Prime | None | CD4MCu Stainless Steel |
GS4
| Item | Suction | Discharge | Impeller Dia. | Priming Type | SAE Size | Volute Material |
|---|---|---|---|---|---|---|
| SPEMGS4-004-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | SAE 4 | Cast Iron |
| SPEMGS4-005-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | SAE 4 | Cast Iron |
| SPEMGS4-006-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | SAE 3 | Cast Iron |
| SPEMGS4-007-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | SAE 3 | Cast Iron |
| SPHFGS4-000-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | None | Cast Iron |
| SPHFGS4-001-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | None | Cast Iron |
| SPHFGS4-004-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | None | CD4MCu Stainless Steel |
| SPHFGS4-005-S | 4 " | 4 " | 9.75 " / 248 mm | Wet Prime | None | CD4MCu Stainless Steel |
GS6
| Item | Suction | Discharge | Impeller Dia. | Priming Type | SAE Size | Volute Material |
|---|---|---|---|---|---|---|
| SPEMGS6-004-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | SAE 4 | Cast Iron |
| SPEMGS6-005-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | SAE 4 | Cast Iron |
| SPEMGS6-006-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | SAE 3 | Cast Iron |
| SPEMGS6-007-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | SAE 3 | Cast Iron |
| SPHFGS6-000-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | None | Cast Iron |
| SPHFGS6-001-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | None | Cast Iron |
| SPHFGS6-005-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | None | CD4MCu Stainless Steel |
| SPHFGS6-006-S | 6 " | 6 " | 11.5 " / 292 mm | Wet Prime | None | CD4MCu Stainless Steel |
GS8
| Item | Suction | Discharge | Impeller Dia. | Priming Type | SAE Size | Volute Material |
|---|---|---|---|---|---|---|
| SPHFGS8-000-S | 8 " | 8 " | 14.75 " / 375 mm | Wet Prime | None | Cast Iron |
| SPHFGS8-003-S | 8 " | 8 " | 14.75 " / 375 mm | Wet Prime | None | CD4MCu Stainless Steel |
| SPHFGS8-004-S | 8 " | 8 " | 14.75 " / 375 mm | Wet Prime | None | CD4MCu Stainless Steel |
| SPHFGS8-001-S | 8 " | 8 " | 14.75 " / 375 mm | Wet Prime | None | Cast Iron |
GS10
| Item | Suction | Discharge | Impeller Dia. | Priming Type | SAE Size | Volute Material |
|---|---|---|---|---|---|---|
| SPHFGS10-001-S | 10 " | 10 " | 13.75 " / 349 mm | Wet Prime | None | Cast Iron |
Support Materials
Featured Downloads
Brochures
| Title | Type | Size | |
|---|---|---|---|
 |
Pioneer Pump Surface Pumps Brochure | 2.84 MB | |
 |
Municipal Market Brochure | 4.2 MB | |
 |
Mining Applications Brochure | 3.32 MB |
Curves
| Title | Type | Size | |
|---|---|---|---|
 |
Pioneer Pump Family Performance Curves | 0.37 MB |
Parts & Accessories
GS Series Parts & Accessories
| Item | Description |
|---|---|
| 24100123-S | GS3 Rotating Assembly is a pre-assembled shaft including full bearing housing, pre-installed bearings, lip seals, mechanical seal and impeller. |
| 24100124-S | GS4 Rotating Assembly is a pre-assembled shaft including full bearing housing, pre-installed bearings, lip seals, mechanical seal and impeller. |
| 24100125-S | GS6 Rotating Assembly is a pre-assembled shaft including full bearing housing, pre-installed bearings, lip seals, mechanical seal and impeller. |
| 24100126-S | GS8 Rotating Assembly is a pre-assembled shaft including full bearing housing, pre-installed bearings, lip seals, mechanical seal and impeller. |
| 24100127-S | GS10 Rotating Assembly is a pre-assembled shaft including full bearing housing, pre-installed bearings, lip seals, mechanical seal and impeller. |
| 372000132 | Mechanical seal kit for GS6. Includes the mechanical seal, cassette seal, impeller key and shims, and a lock washer kit. |
| 372000134 | Mechanical seal kit for GS10. Includes the mechanical seal, cassette seal, impeller key and shims, and a lock washer kit. |
| 372000135 | Mechanical seal kit for GS8. Includes the mechanical seal, cassette seal, impeller key and shims, and a lock washer kit. |
| 372000136 | Mechanical seal kit for GS3. Includes the mechanical seal, cassette seal, impeller key and shims, and a lock washer kit. |
| 373000127 | Bearing frame kit for GS4. Contains all necessary bearings, snap ring, cassette seal, shims, and o-rings to perform a bearing replacement |
| 373000128 | Bearing frame kit for GS6. Contains all necessary bearings, snap ring, cassette seal, shims, and o-rings to perform a bearing replacement |
| 373000130 | Bearing frame kit for GS10. Contains all necessary bearings, snap ring, cassette seal, shims, and o-rings to perform a bearing replacement |
| 373000131 | Bearing frame kit for GS8. Contains all necessary bearings, snap ring, cassette seal, shims, and o-rings to perform a bearing replacement |
| 373000133 | Bearing frame kit for GS3. Contains all necessary bearings, snap ring, cassette seal, shims, and o-rings to perform a bearing replacement |
| 372000137 | Mechanical seal kit for GS4. Includes the mechanical seal, cassette seal, impeller key and shims, and a lock washer kit. |
