Well Plugs

Locking well plugs for monitoring and observation wells — Torquer, FlushLock, J-Plug, and H-Plug by Koby Environmental. Nylon expansion design, zero corrosion, liquid-tight seal. ½” to 8” in SCH 40 and SCH 80. Call (866) 514-3684 for volume pricing.

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2" FlushLock Locking Well Plug SCH 80 (FL280) - product photo 2" FlushLock Locking Well Plug SCH 80 (FL280) - alternate angle
All ProductsLocking Well Plugs

2" FlushLock Locking Well Plug SCH 80

The Koby 2" FlushLock Locking Well Plug (FL280) sits flush with the well casing top — the right choice when above-grade caps are not permitted in paved areas, roadways, or...
$ 12.48
2" PVC female threaded well point (BE22F) - product photo 2" PVC female threaded well point (BE22F) - alternate angle
All ProductsWell Monitoring Equipment

2" PVC female threaded well point

The Koby 2" PVC female threaded well point (BE22F) is a drive-point screen for direct-push or driven well installations. PVC construction eliminates metallic contamination of groundwater samples. ASTM F-480 2tpi...
$ 4.13
Cherne 8" Monitor Well Locking Plug (271735) - product photo Cherne 8" Monitor Well Locking Plug (271735) - alternate angle
All ProductsCherne

Cherne 8" Monitor Well Locking Plug

The Cherne 8" Monitor Well Locking Plug (part #271-735) is the largest Cherne pneumatic monitor well plug — for 8" monitoring and extraction wells. Pneumatic inflation creates a tamper-resistant seal...
$ 192.85
Cherne 6" Monitor Well Locking Plug (271691)
All ProductsCherne

Cherne 6" Monitor Well Locking Plug

The Cherne 6" Monitor Well Locking Plug (part #271-691) is a pneumatic locking plug for 6" monitoring wells. Pneumatic inflation provides a positive seal for large-diameter environmental monitoring and extraction...
$ 112.76
1" PVC female threaded well point (BE18F) - product photo 1" PVC female threaded well point (BE18F) - alternate angle
All ProductsWell Monitoring Equipment

1" PVC female threaded well point

The Koby 1" PVC female threaded well point (BE18F) is a drive-point screen for direct-push or driven well installations. PVC construction eliminates metallic contamination of groundwater samples. ASTM F-480 4tpi...
$ 2.53
Cherne 4" Monitor Well Locking Plug (271683) - product photo Cherne 4" Monitor Well Locking Plug (271683) - alternate angle
All ProductsCherne

Cherne 4" Monitor Well Locking Plug

The Cherne 4" Monitor Well Locking Plug (part #271-683) is a pneumatic locking plug for 4" monitoring wells. Pneumatic inflation creates a tamper-resistant seal for well access control on larger-diameter...
$ 43.97
1/2" Torquer Locking Well Plug (T.5) - alternate angle 1/2" Torquer Locking Well Plug (T.5) - product photo
All ProductsKoby Environmental, Inc

1/2" Torquer Locking Well Plug

The Koby 1/2" Torquer Locking Well Plug (T.5) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 8.98
2" PVC male threaded well point (BE22M) - product photo 2" PVC male threaded well point (BE22M) - alternate angle
All ProductsWell Monitoring Equipment

2" PVC male threaded well point

The Koby 2" PVC male threaded well point (BE22M) is a drive-point screen for direct-push or driven well installations. PVC construction eliminates metallic contamination of groundwater samples. ASTM F-480 2tpi...
$ 4.13
1" PVC male threaded well point (BE18M) - product photo 1" PVC male threaded well point (BE18M) - alternate angle
All ProductsWell Monitoring Equipment

1" PVC male threaded well point

The Koby 1" PVC male threaded well point (BE18M) is a drive-point screen for direct-push or driven well installations. PVC construction eliminates metallic contamination of groundwater samples. ASTM F-480 4tpi...
$ 2.53
Water Monitoring Well Plug: 2" Yellow EasyLock SCH 40 (EL2) - view 5 Water Monitoring Well Plug: 2" Yellow EasyLock SCH 40 (EL2) - product photo
All ProductsLocking Well Plugs

Water Monitoring Well Plug: 2" Yellow EasyLock SCH 40

The Koby 2" EasyLock Well Plug (EL2) provides quick-install, tool-free locking for 2" monitoring wells. The twist-lock mechanism engages and disengages by hand — no keys, no padlocks, no wrenches....
$ 6.51
4" FlushLock Locking Well Plug SCH 80 (FL480) - view 4 4" FlushLock Locking Well Plug SCH 80 (FL480) - product photo
All ProductsLocking Well Plugs

4" FlushLock Locking Well Plug SCH 80

The Koby 4" FlushLock Locking Well Plug (FL480) sits flush with the well casing top — the right choice when above-grade caps are not permitted in paved areas, roadways, or...
$ 24.79
Koby FlushLock Vapor Extraction Key (FLVEK) - product photo Koby FlushLock Vapor Extraction Key (FLVEK) - alternate angle
All ProductsKoby Environmental, Inc

Koby FlushLock Vapor Extraction Key

The Koby FlushLock Vapor Extraction Key (FLVEK) is the security key required to install and remove FlushLock Vapor Extraction (VE) locking well plugs. One key operates all FlushLock VE plugs....
$ 18.36

The Complete Well Plug Lineup

Every plug we carry uses an all-nylon expansion design — no metal parts to corrode in aggressive groundwater chemistry. Turn the wing nut, the gasket expands, and you get a liquid-tight seal that holds through years of freeze-thaw cycling and field exposure.

Plug Types

Torquer — The industry standard. Wing-nut expansion, padlock-compatible. Also available as vapor extraction versions.

FlushLock — Sits flush with the casing top. Proprietary key for removal. For paved areas and roadways.

J-Plug / H-Plug — Key-controlled access with enhanced tamper resistance.

Related Categories

FAQ

What is the primary purpose of well plugs?

Well plugs are designed to seal off sections of a wellbore, either temporarily or permanently. They are essential for ensuring the safety and integrity of drilling operations, isolating sections of the well, or preparing a well for abandonment.

How can I determine the right size of a well plug for my needs?

To choose the correct well plug size, measure the diameter of the wellbore or casing where the plug will be placed. Make sure to refer to your well's specifications or consult with a professional if unsure.

Are there different varieties of well plugs available?

Yes, there are multiple types, such as mechanical, inflatable, and cement well plugs. Your choice will depend on the specific application and how long you intend to use the plug.

Is it possible to reuse a well plug?

Some well plugs, especially mechanical and inflatable types, are designed to be retrievable and can be reused. However, cement plugs are meant for permanent placements and cannot be reused once set.

How can I confirm that my well plug has sealed properly?

After installing a well plug, it's standard practice to conduct a pressure test. If the plug maintains its pressure without any leaks, it indicates a successful seal.

Is it secure to purchase well plugs online?

Buying well plugs from reputable online vendors is generally safe. Ensure the website uses encrypted payment gateways and read reviews and ratings before finalizing your purchase.

What criteria should I use when selecting a well plug brand or manufacturer?

Look for a manufacturer's reputation, years in the industry, customer feedback, and industry certifications. Choosing a brand with a history of reliability and quality is always advisable.

How long should I expect to wait for delivery when purchasing online?

Delivery duration varies depending on the seller and chosen shipping method. Always check the estimated delivery timeline provided by the online retailer before confirming your order.

If the well plug doesn't fit or has issues, can I return it?

Return policies differ among online vendors. Before buying, review the seller's return and exchange policy to understand their terms and any associated conditions.

Do I need a professional to install a well plug?

While some well plugs can be self-installed, it's always recommended to consult or hire a professional for installation. This ensures the safety and efficacy of the plug.