Goulds 7GS05421C, Model 7GS, GS Series, 4" Submersible Well Pump, 1/2 HP, 115 Volts, 1 Phase, 2-Wire, 10 Stages, 1-1/4" NPT Discharge, 7 GPM Best Efficiency Flow
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FEATURES
Goulds GS Series 4" Submersible Well Pump
This well pump is powered by a 4" CentriPro motor sized for installation in 4" diameter or larger water wells. Designed with a stainless steel construction for strength and corrosion resistance, this pump model has two cast-in safety line loops for installer convenience.
Includes:
- Submersible pump
- Centripro motor
Features
- Pump can be operated continuously without damage to the motor
- Units have left hand threads and are field serviceable with common tools and readily available repair parts
- Sand handling design
- Impellers, diffusers and bearing spiders are constructed of FDA compliant glass filled engineered composites. They are corrosion resistant and non-toxic
- Discharge head/check valve made of cast 303 stainless steel for strength and durability
- Built-in check valve is constructed of stainless steel and FDA compliant BUNA rubber for abrasion resistance and quiet operation
- Motor adapter made of cast 303 stainless steel for rigid, accurate alignment of pump and motor
- Easy access to motor mounting nuts using standard open end wrench
- Stainless steel casing is strong and corrosion resistant
- Hexagonal shaft design for positive impeller drive
- Proprietary engineered polymer bearing is strong and resistant to abrasion and wear
- Enclosed upper bearing is mounted in a durable Noryl bearing spider for excellent abrasion resistance
- Two-wire PSC (Permanent Split Capacitor) motor design is quieter than split-phase, 2-wire motors
- Capacitor reduces pulsation noise
- Capacitor built-in and hermetically sealed
- Built-in surge arrestor is provided on single phase motors
- Stainless steel splined shaft
- Replaceable motor lead assembly
- CSA certified
- UL 778 recognized
4_Inch_Submersible_Pumps_Installation-Operation_Manual.pdf
5GS_7GS_10GS_13GS_18GS_and_25GS_5-25_GPM_Submersible_Pumps_Technical_Brochure.pdf
e-GS_Xtreme_CBM_60_HZ_4_Inch_Submersible_Pumps_Technical_Brochure.pdf
Goulds_Well_Pumps_GS_Series_Repair_Parts.pdf
GS_60_HZ_Standard_Capacity_4_Inch_Submersible_Pumps_Brochure.pdf
GS_Guardian_System_Brochure.pdf
GS_Repair_Parts_Pumps_Built_From_Jan._2003_-_July_2005.pdf
GS_Sales_Sheet_Brochure.pdf
Brand | Goulds |
Mfg. Number | 7GS05421C |
Model Number | 7GS |
Series | GS |
Product Type | Submersible well pump |
Application | Water systems |
Horsepower | 1/2 HP |
Voltage | 115 Volts |
Phase | 1 |
Frequency | 60 Hz |
Speed | 3450 rpm |
Stages | 10 |
Motor Type | 2-wire PSC |
Minimum Well Size | 4" |
Rotation | Counterclockwise |
Discharge Connection | 1-1/4" NPT |
Best Efficiency Flow | 7 gpm |
Flow Range | 1.5 - 10 gpm |
Pump Casing | AISI 304 stainless steel |
Impeller Material | Noryl |
Check Valve Poppet | AISI 304 stainless steel |
Bearing | Proprietary engineered polymer |
Motor Adapter | AISI 303 stainless steel |
Cable Guard | AISI 304 stainless steel |
Suction Screen | AISI 304 stainless steel |
Thermal Protection | Yes |
Control Box | Not required |
The Goulds GS is part of the Submersible Well Pump Series which is designed for use in minimum 4" diameter water wells. Each pump end below is close coupled to a premium Centripro motor. Designed with a stainless steel construction for strength and corrosion resistance, these pumps feature two cast-in safety line loops for installer convenience. Submersible Well Pump Series, GS pumps are built for dependable operation and long service life. The casing is corrosion resistant stainless steel, the impellers are Noryl and the diffusers are Lexan for excellent abrasion resistance, with all non-metallic parts being non-toxic and FDA compliant. The floating impeller stack provides superior sand handling and durability, while proprietary engineering polymer bearing provides additional abrasion and wear resistance. The enclosed upper bearing is mounted in a durable Noryl bearing spider for excellent abrasion resistance. The discharge head also includes a built-in stainless steel check valve. The motor shaft has a six sided hex shaft design for positive impeller drive, while the motor adapter is Cast 303 stainless steel for rigid/accurate alignment while providing easy access to motor mounting nuts using a standard open end wrench. The motor is powered for continuous operation within the motor limits without damage. In general, the GS series units are easily field serviceable with common tools and readily available Goulds Pump Repair Parts. Please note that 3-Wire pumps require a control box for operation. Control box sold separately.
GOULDS GS SERIES WELL PUMP |
Model Comparison Chart
Model | Discharge | HP | Voltage | Phase | Best Efficiency GPM | Wire | Stages |
10GS05412RCL | 1-1/4" NPT | 1/2 | 230 | 1 | 10 | 3-Wire | 5 |
10GS05411RCL | 1-1/4" NPT | 1/2 | 115 | 1 | 10 | 3-Wire | 5 |
10GS05411CL | 1-1/4" NPT | 1/2 | 115 | 1 | 10 | 3-Wire | 7 |
10GS05412CL | 1-1/4" NPT | 1/2 | 230 | 1 | 10 | 3-Wire | 7 |
10GS05421RC | 1-1/4" NPT | 1/2 | 115 | 1 | 10 | 2-Wire | 5 |
10GS05422RC | 1-1/4" NPT | 1/2 | 230 | 1 | 10 | 2-Wire | 5 |
10GS05421C | 1-1/4" NPT | 1/2 | 115 | 1 | 10 | 2-Wire | 7 |
10GS05422C | 1-1/4" NPT | 1/2 | 230 | 1 | 10 | 2-Wire | 7 |
7GS05412RCL | 1-1/4" NPT | 1/2 | 230 | 1 | 7 | 3-Wire | 7 |
7GS05411RCL | 1-1/4" NPT | 1/2 | 115 | 1 | 7 | 3-Wire | 7 |
13GS05412CL | 1-1/4" NPT | 1/2 | 230 | 1 | 13 | 3-Wire | 5 |
13GS05411CL | 1-1/4" NPT | 1/2 | 115 | 1 | 13 | 3-Wire | 5 |
7GS05412CL | 1-1/4" NPT | 1/2 | 230 | 1 | 7 | 3-Wire | 10 |
7GS05411CL | 1-1/4" NPT | 1/2 | 115 | 1 | 7 | 3-Wire | 10 |
7GS05421RC | 1-1/4" NPT | 1/2 | 115 | 1 | 7 | 2-Wire | 7 |
7GS05422RC | 1-1/4" NPT | 1/2 | 230 | 1 | 7 | 2-Wire | 7 |
13GS05421C | 1-1/4" NPT | 1/2 | 115 | 1 | 13 | 2-Wire | 5 |
13GS05422C | 1-1/4" NPT | 1/2 | 230 | 1 | 13 | 2-Wire | 5 |
5GS05411RCL | 1-1/4" NPT | 1/2 | 115 | 1 | 5 | 3-Wire | 9 |
5GS05412RCL | 1-1/4" NPT | 1/2 | 230 | 1 | 5 | 3-Wire | 9 |
7GS05421C | 1-1/4" NPT | 1/2 | 115 | 1 | 7 | 2-Wire | 10 |
7GS05422C | 1-1/4" NPT | 1/2 | 230 | 1 | 7 | 2-Wire | 10 |
5GS05412CL | 1-1/4" NPT | 1/2 | 230 | 1 | 5 | 3-Wire | 12 |
5GS05411CL | 1-1/4" NPT | 1/2 | 115 | 1 | 5 | 3-Wire | 12 |
5GS05421RC | 1-1/4" NPT | 1/2 | 115 | 1 | 5 | 2-Wire | 9 |
5GS05422RC | 1-1/4" NPT | 1/2 | 230 | 1 | 5 | 2-Wire | 9 |
10GS07412CL | 1-1/4" NPT | 3/4 | 230 | 1 | 10 | 3-Wire | 14 |
18GS07412CL | 1-1/4" NPT | 3/4 | 230 | 1 | 18 | 3-Wire | 6 |
13GS07412CL | 1-1/4" NPT | 3/4 | 230 | 1 | 13 | 3-Wire | 7 |
5GS05421C | 1-1/4" NPT | 1/2 | 115 | 1 | 5 | 2-Wire | 12 |
5GS05422C | 1-1/4" NPT | 1/2 | 230 | 1 | 5 | 2-Wire | 12 |
10GS07422C | 1-1/4" NPT | 3/4 | 230 | 1 | 10 | 2-Wire | 10 |
7GS07412CL | 1-1/4" NPT | 3/4 | 230 | 1 | 7 | 3-Wire | 7 |
18GS07422C | 1-1/4" NPT | 3/4 | 230 | 1 | 18 | 2-Wire | 6 |
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*Note: Picture is illustrative and may not reflect the actual product.*