Goulds 7GS05421C, 7GPM, 1/2HP, 115V, 2 Wire, 4" Stainless Steel Submersible Well Pump

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MSRP $1,581.00
Sale Price $1,075.00
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SKU#
7GS05421C
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Performance Chart
Model 7GS
Horsepower range ½ - 1, Recommended Range 1.5 - 10 GPM, 60Hz, 3450 RPM
Pump Model HP PSI Depth to Water in Feet/Ratings in GPM (Gallons per Minute)
20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 540 580 620
7GS05R ½R 0 10.2 8.2 7.5 5.9 3.6
20 9.8 8.5 7.0 5.3 2.5
30 9.6 8.3 6.8 4.9 1.9
40 9.4 8.1 6.5 4.6 1.2
50 9.2 7.8 6.3 4.2 0.5
60 7.6 6.0 3.8
Shut-off PSI 85 77 68 59 51 42 33 25 16 7
7GS05 1/2 0 10.1 9.2 8.3 7.4 6.3 5.0 3.4
20 9.8 9.0 8.1 7.1 6.0 4.6 2.7
30 9.7 8.8 7.9 6.9 5.8 4.3 2.4
40 10.4 9.6 8.7 7.8 6.7 5.6 4.1 2.0
50 10.3 9.4 8.5 7.6 6.6 5.4 3.8 1.7
60 10.2 9.3 8.4 7.5 6.4 5.1 3.5
Shut-off PSI 125 116 107 99 90 81 73 64 55 47 38 29 21 12
7GS07 3/4 0 10.0 9.3 8.6 7.9 7.1 6.2 5.2 4.0 2.4
20 10.4 9.8 9.1 8.4 7.7 6.9 6.0 4.9 3.5 1.8
30 10.3 9.7 9.0 7.5 6.7 5.8 4.7 3.3 1.5
40 10.2 9.4 8.8 8.2 7.4 6.6 5.6 4.5 3.1
50 10.1 9.4 8.8 8.1 7.3 6.5 5.5 4.3 2.8
60 10.0 9.3 8.7 7.9 7.2 6.3 5.3 4.1 2.5
Shut-off PSI 140 131 122 114 105 96 88 79 70 62 53 44 36 27 18 10
7GS10 1 0 10.1 9.6 9.0 8.5 7.9 7.3 6.7 6.0 5.3 4.4 3.4 2.1
20 10.4 9.9 9.4 8.9 8.3 7.7 7.1 6.5 5.8 5.0 4.1 3.0 1.6
30 10.3 9.9 9.3 8.8 8.2 7.6 7.0 6.4 5.7 4.9 4.0 2.8
40 10.3 9.8 9.2 8.7 8.1 7.5 6.9 6.3 5.6 4.8 3.8 2.6
50 10.2 9.7 9.2 8.6 8.0 7.4 6.8 6.2 5.4 4.6 3.7 2.4
60 10.1 9.6 9.1 8.5 7.9 7.3 6.7 6.0 5.3 4.5 3.5 2.2
Shut-off PSI 166 158 149 140 132 123 114 106 97 88 80 71 62 54 45 36 28 19 10
Horsepower range 1½ - 3, Recommended Range 1.5 - 10 GPM, 60Hz, 3450 RPM
Pump Model HP PSI Depth to Water in Feet/Ratings in GPM (Gallons per Minute)
200 220 240 260 280 300 340 380 420 460 500 540 580 620 660 700 740 780 820 860 900 940 980 1020 1060 1100 1140
7GS15 0 10.2 9.3 8.5 7.6 6.8 5.9 4.7 2.6
20 10.1 9.2 8.3 7.5 6.7 5.8 4.5 2.1
30 10.4 9.6 8.7 7.8 7.0 6.2 5.1 3.3
40 10.3 9.9 9.1 8.2 7.4 6.6 5.6 4.2 1.6
50 10.3 9.9 9.4 8.6 7.7 6.9 6.0 4.9 2.9
60 10.2 9.8 9.4 8.9 8.1 7.2 6.4 5.4 3.9
Shut-off PSI 194 186 177 168 151 134 116 99 82 64 47 30 12
7GS20 2 0 9.8 9.3 8.7 8.4 7.8 7.1 6.3 5.4 4.5 3.5 2.2
20 9.8 9.3 8.7 8.4 7.7 6.9 6.2 5.3 4.3 3.2 2.8
30 9.9 9.5 9.0 8.5 7.9 7.2 6.4 5.7 4.4 3.7
40 10.0 9.7 9.2 8.7 8.3 7.5 6.7 6.0 5.2 4.1 3.0
50 9.9 9.4 8.9 8.5 7.8 7.2 6.3 5.5 4.7 3.5
60 10.0 9.6 9.1 8.7 8.2 7.4 6.6 5.8 5.0 4.0
Shut-off PSI 268 251 234 216 199 182 165 147 130 113 95 80 61
7GS30 3 0 9.8 9.5 9.2 8.7 8.3 7.9 7.4 6.8 6.2 5.4 4.7 3.9 3.0 2.0
20 9.8 9.4 9.2 8.7 8.3 7.8 7.2 6.7 6.2 5.3 4.5 3.7 3.3 1.7
30 10.0 9.6 9.2 8.8 8.5 8.0 7.5 6.9 6.3 5.7 4.8 4.1 3.2 2.3
40 10.0 9.7 9.4 9.0 8.6 8.2 7.7 7.2 6.6 5.9 5.2 4.4 3.6 2.7 1.7
50 9.9 9.5 9.2 8.7 8.4 7.9 7.4 6.8 6.3 5.5 4.8 3.9 3.1 2.2
60 10.0 9.7 9.3 9.0 8.6 8.1 7.6 7.0 6.5 5.8 5.1 4.2 3.4 2.5 1.5
Shut-off PSI 320 303 286 268 251 234 216 199 182 165 147 130 113 95 78 61 43 27
7GS05421C
Goulds 7GS05421C Submersible Well Pump

The Goulds 7GS05421C is a robust and efficient submersible well pump designed for durability and continuous operation. Perfect for residential and agricultural water systems, this pump combines high performance with reliability.

  • Powered for Continuous Operation: Operates continuously without damage, staying within the motor's working limits.
  • Field Serviceable: Features left-hand threads and can be serviced with common tools.
  • Sand Handling Design: Proven floating impeller stack design for superior sand handling and durability.
  • FDA Compliant Non-Metallic Parts: Corrosion-resistant and non-toxic components made of glass-filled engineered composites.
  • Discharge Head/Check Valve: Made from cast 303 stainless steel for strength with built-in check valve for quiet operation.
  • Motor Adapter: Ensures rigid and accurate alignment of pump and motor.
  • Stainless Steel Casing: Polished for strength and corrosion resistance.
  • Hex Shaft Design: Six-sided shafts for a secure impeller drive.
  • Engineered Polymer Bearings: Strong, abrasion-resistant bearings for long-lasting performance.

Specifications

  • Manufacturer: Goulds
  • Model #: 7GS05421C
  • Motor Horsepower: 0.5 HP
  • Phase: 1
  • Amps: 7.9
  • Flow Rate: 7 GPM
  • Material: Stainless Steel
  • Wire Count: 2 Wire
  • Diameter: 4 inch
  • Shipping Weight: 32 lbs
  • Volts: 115V
  • GTIN: 0697666451378

Important Notice

For wells with a high static water level, use a "Dole" flow restriction valve to prevent upthrust damage. Ensure the maximum flow is within the recommended operating range.

Electrical Wire Gauge Requirements

Copper Wire Size 12 Gauge 10 Gauge 8 Gauge 6 Gauge 4 Gauge 2 Gauge
Distance from service entrance to motor 178 ft. 284 ft. 449 ft. 699 ft. 1114 ft. 1769 ft.

Performance Chart

Refer to the Goulds Performance Chart 7GS for detailed performance metrics.

The Goulds 7GS05421C is a 4 inch stainless steel submersible well pump rated for 7 GPM, 1/2 HP, 115V, and 2-wire operation. It uses a CentriPro motor with built-in lightning and surge protection and is designed for continuous operation within the motor manufacturer's working limits.

This pump features a floating impeller stack for sand handling, a polished stainless steel casing, and field-serviceable construction. It also includes a built-in check valve, cast 303 stainless steel discharge head and motor adapter, and engineered polymer bearings for abrasion resistance.

More Information
Phase1
Voltage115v
Wire Count2 Wire
Motor Horsepower0.5
Flow Rate7
Stages 10
MaterialStainless Steel
Diameter4 inch Diameter
Sourcehttps://www.xylem.com/
Model #7GS05421C
ManufacturerGoulds
Performance ChartGoulds Performance Chart 7GS
Shipping Weight32
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Goulds 7GS05421C, 7GPM, 1/2HP, 115V, 2 Wire, 4" Stainless Steel Submersible Well Pump
What are the main specifications of this pump?
This model is rated for 7 GPM, 1/2 HP, 115V, and 2-wire operation.
Does this pump require a control box?
No. The product data states that the 7GS05421C does not require a control box.
What type of motor does it use?
It uses a CentriPro motor with built-in lightning and surge protection.
Is this pump suitable for continuous operation?
Yes. The source states it is designed for continuous operation within the motor manufacturer's working limits.
How does this pump handle sandy conditions?
It uses a floating impeller stack design described as a superior sand handling design.
What materials are used in the pump?
The pump includes a polished stainless steel casing, cast 303 stainless steel components, and glass-filled engineered composite non-metallic parts.
Does the pump include a check valve?
Yes. It has a built-in check valve constructed of stainless steel and FDA compliant BUNA rubber.
When is a Dole flow restriction valve recommended?
The source recommends a Dole flow restriction valve in wells with a high static water level to help prevent upthrust damage and keep flow within the recommended operating range.

Installation Brief

This 115V 2-wire submersible well pump should be installed using the product literature and standard well pump practices.

  1. Confirm the pump model, 115V single-phase power, and 2-wire configuration match the system requirements.
  2. Review the installation instructions and wire gauge guidance before connecting power.
  3. Install the pump in the well and connect the discharge piping to the pump assembly.
  4. For wells with a high static water level, use a Dole flow restriction valve to keep flow within the recommended operating range.
  5. Start the system and verify normal pump operation.
Goulds 7GS05421C, 7GPM, 1/2HP, 115V, 2 Wire, 4" Stainless Steel Submersible Well PumpGoulds 7GS05421C, 7GPM, 1/2HP, 115V, 2 Wire, 4" Stainless Steel Submersible Well Pump