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 1-1/2" 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 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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ECT Mfg

Solid PVC Surge Block 2" Sch40

Use with 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

Solid PVC Surge Block 4" Sch40

Use with 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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ECT Mfg

8" Surge Block, Sch40 / Sch80

Use with 2" Male NPT Pipe

ECT Manufacturing's 8" surge block is constructed of stainless steel with a fabric reinforced neoprene flapper. The standard coupling fitting is 2" female NPT. ECT's 8" surge block is designed to fit the I.D. of 8" Schedule 40 PVC pipe.   Made in...

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Qwater

.75" Well Developer, Sch40

Use with 1/2" OD Tubing

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. Used for surge...

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Qwater

1" Well Developer, Sch40

Use with 1/2" OD Tubing

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. Used for surge...

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Qwater

1.25" Well Developer, Sch40

Use with 1/2" PVC Pipe

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. Used for surge...

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Qwater

1.5" Well Developer, Sch40

Use with 1/2" PVC Pipe

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. Used for surge...

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