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" Torquer Locking Well Plug (T2)
All ProductsKoby Environmental, Inc

2" Torquer Locking Well Plug

The Koby 2" Torquer Locking Well Plug (T2) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 6.39
4" Torquer Locking Well Plug (T4)
All ProductsKoby Environmental, Inc

4" Torquer Locking Well Plug

The Koby 4" Torquer Locking Well Plug (T4) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 10.47
2" FlushLock Locking Well Plug SCH 40 (FL2) - product photo 2" FlushLock Locking Well Plug SCH 40 (FL2) - alternate angle
All ProductsLocking Well Plugs

2" FlushLock Locking Well Plug SCH 40

The Koby 2" FlushLock Locking Well Plug (FL2) sits flush with the well casing top — the right choice when above-grade caps are not permitted in paved areas, roadways, or...
$ 10.51
Koby FlushLock Well Plug Key (FLK) - product photo Koby FlushLock Well Plug Key (FLK) - alternate angle
All ProductsLocking Well Plugs

Koby FlushLock Well Plug Key

The Koby FlushLock Well Plug Key (FLK) is the security key required to install and remove FlushLock locking well plugs. One key operates all standard FlushLock plugs (FL2, FL280, FL4,...
$ 6.43
6" Torquer Locking Well Plug (T6)
All ProductsKoby Environmental, Inc

6" Torquer Locking Well Plug

The Koby 6" Torquer Locking Well Plug (T6) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 42.23
1" Torquer Locking Well Plug (T1) - view 5 1" Torquer Locking Well Plug (T1) - product photo
All ProductsFeatured Products

1" Torquer Locking Well Plug

The Koby 1" Torquer Locking Well Plug (T1) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 5.88
1.5" Torquer Locking Well Plug (T1.5) - product photo 1.5" Torquer Locking Well Plug (T1.5) - alternate angle
All ProductsKoby Environmental, Inc

1.5" Torquer Locking Well Plug

The Koby 1.5" Torquer Locking Well Plug (T1.5) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 5.97
Quick Connect Extraction Connector (EXQ) - product photo Quick Connect Extraction Connector (EXQ) - alternate angle
All ProductsKoby Environmental, Inc

Quick Connect Extraction Connector

The Koby Quick Connect Extraction Connector (EXQ) provides a fast, leak-free connection point for vapor extraction and air sparging equipment at the wellhead. Mates directly with Koby VE (Vapor Extraction)...
$ 33.05
5.5" Torquer Locking Well Plug (T5.5)
All ProductsKoby Environmental, Inc

5.5" Torquer Locking Well Plug

The Koby 5.5" Torquer Locking Well Plug (T5.5) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 42.23
4.5" Torquer Locking Well Plug (T4.5)
All ProductsKoby Environmental, Inc

4.5" Torquer Locking Well Plug

The Koby 4.5" Torquer Locking Well Plug (T4.5) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 31.21
5" Torquer Locking Well Plug (T5)
All ProductsKoby Environmental, Inc

5" Torquer Locking Well Plug

The Koby 5" Torquer Locking Well Plug (T5) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 22.03
3" Torquer Locking Well Plug (T3)
All ProductsKoby Environmental, Inc

3" Torquer Locking Well Plug

The Koby 3" Torquer Locking Well Plug (T3) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust contamination....
$ 9.37

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.

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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.