Well Developers & Surge Blocks

Johnson Screens®

PVC Surge Block 2" Sch40

Uses 1" Flush Thread or NPT

Pipe Ends 1" Male NPT x 1" Female 8TPI. Johnson open core PVC Surge Blocks are used in well rehabilitation or well development. Standard with Female flush thread on one end and Male NPT on the other. They are constructed of PVC and HDPE and designed to...

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Johnson Screens®

PVC Surge Block 4" Sch40

Uses 1-1/4" Flush Thread or NPT

Pipe Ends 1.25" Male NPT x Female 8 TPI. Johnson PVC open core Surge Blocks are used in well rehabilitation or well development. These units come standard with a Female FJT Thread on one end and a Male NPT Thread on the other end. They are constructed of...

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Johnson Screens®

PVC Surge Block 6" Sch40

2" Male NPT x Female Flush 2TPI

Pipe Ends 2" Male NPT x Female 2 TPI Flush Thread. Johnson PVC open core Surge Blocks are used in well rehabilitation or well development. These units come standard with a Female FJT Thread on one end and a Male NPT Thread on the other end. They are...

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ECT Mfg., Inc.

Solid PVC Surge Block 2" Sch40

Uses 3/4" NPT Pipe

Plunger style Surge block that utilizes a solid piece of PVC with 2 rubber O-rings to create a seal around the casing. There is no developing port. Instead, it has 2 check valves on either side of the riser connector (3/4” NPT Female Pipe Thread)...

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ECT Mfg., Inc.

Solid PVC Surge Block 4" Sch40

Uses 1" NPT Pipe

Plunger style Surge block that utilizes a solid piece of PVC with 2 rubber O-rings to create a seal around the casing. There is no developing port. Instead, it has 2 check valves on either side of the riser connector (1” NPT Female Pipe Thread)...

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Qwater

.75" Well Developer Surge Block

Uses 1/2" OD Tubing

For use with S40 3/4" PVC Pipe ID: 0.804" The surge block method of well development has long been recognized as the most effective way to remove drilling fluids and fine-grained sediments from well screens. A developed well will produce more water with...

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Qwater

1" Well Developer Surge Block

Uses 1/2" OD Tubing

For use with S40 1" PVC Pipe ID: 1.029" The surge block method of well development has long been recognized as the most effective way to remove drilling fluids and fine-grained sediments from well screens. A developed well will produce more water...

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Qwater

1.25" Well Developer

Uses 1/2" PVC Riser

For use with S40 1-1/4" PVC Pipe ID: 1.360" The surge block method of well development has long been recognized as the most effective way to remove drilling fluids and fine-grained sediments from well screens. A developed well will produce more water...

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Qwater

1.5" Well Developer Surge Block

Uses 1/2" PVC Riser

For use with S40 1-1/2" PVC Pipe ID: 1.59" The surge block method of well development has long been recognized as the most effective way to remove drilling fluids and fine-grained sediments from well screens. A developed well will produce more water with...

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Qwater

2" Well Developer Surge Block

Uses 1/2" PVC Riser

The surge block method of well development has long been recognized as the most effective way to remove drilling fluids and fine grained sediments from well screens. A developed well will produce more water with less color and turbidity. Advantages of...

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