Tapones de prueba de aire para alcantarillas

Cherne Sure-Grip and Kwik Sure air testing plugs for DWV (drain-waste-vent) pressure testing and sewer air testing. Rated for water and air test applications. Hand-tighten to seal — no pneumatic inflation required.

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Cherne ® 1/2" Kwik Sure ® Plug, PSI 180 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 1/2" Kwik Sure ® Plug, PSI 180 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 1/2" Tapón Kwik Sure ®, PSI 180

The Cherne Industries 1/2" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.01
Cherne ® 1-1/4" Kwik Sure ® Plug, PSI 112 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 1-1/4" Kwik Sure ® Plug, PSI 112 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 1-1/4" Tapón Kwik Sure ®, PSI 112

The Cherne Industries 1-1/4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 10.49
Cherne ® 3/4" Kwik Sure ® Plug, PSI 180 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 3/4" Kwik Sure ® Plug, PSI 180 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 3/4" Tapón Kwik Sure ®, PSI 180

The Cherne Industries 3/4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.01
Cherne ® 1" Kwik Sure ® Plug, PSI 40 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 1" Kwik Sure ® Plug, PSI 40 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 1" Tapón Kwik Sure ®, PSI 40

The Cherne Industries 1" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.11
Cherne ® 1-1/2" Sure-Grip ® Water and Air testing Plug, 22 PSI — Cherne Industries single-size underground Test-Ball plug... Cherne ® 1-1/2" Sure-Grip ® Water and Air testing Plug, 22 PSI detail — natural rubber, seals round and out-of-round...
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Cherne ® 1-1/2" Sure-Grip ® Tapón de prueba de agua y aire, 22 PSI

The Cherne Industries 1-1/2" single-size underground Test-Ball plug (22 PSI) blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round...
$ 6.75
Cherne ® 2-1/2" Kwik Sure ® Plug, PSI 72 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 2-1/2" Kwik Sure ® Plug, PSI 72 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 2-1/2" Tapón Kwik Sure ®, PSI 72

The Cherne Industries 2-1/2" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 25.30
Cherne ® 2" Kwik Sure ® Plug, PSI 112 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 2" Kwik Sure ® Plug, PSI 112 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 2" Tapón Kwik Sure ®, PSI 112

The Cherne Industries 2" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 18.25
Cherne ® 3" Kwik Sure ® Plug, PSI 28 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 3" Kwik Sure ® Plug, PSI 28 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 3" Tapón Kwik Sure ®, PSI 28

The Cherne Industries 3" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 29.45
Cherne ® 1-1/2" Kwik Sure ® Plug, PSI 88 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 1-1/2" Kwik Sure ® Plug, PSI 88 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 1-1/2" Tapón Kwik Sure ®, PSI 88

The Cherne Industries 1-1/2" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 12.54
Cherne ® 4" Sure-Grip ® Water and Air testing Plug, 13 PSI — Cherne Industries single-size underground Test-Ball plug for... Cherne ® 4" Sure-Grip ® Water and Air testing Plug, 13 PSI detail — natural rubber, seals round and out-of-round pipes,...
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Cherne ® 4" Sure-Grip ® Tapón de prueba de agua y aire, 13 PSI

The Cherne Industries 4" single-size underground Test-Ball plug (13 PSI) blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round...
$ 15.18
Cherne ® 4" Kwik Sure ® Plug, PSI 24 — Cherne Industries single-size underground Test-Ball plug for sewer testing Cherne ® 4" Kwik Sure ® Plug, PSI 24 detail — natural rubber, seals round and out-of-round pipes, 40 ft head pressure
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Cherne ® 4" Tapón Kwik Sure ®, PSI 24

The Cherne Industries 4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 46.16
Cherne ® 2" Sure-Grip ® Water and Air testing Plug, 22 PSI — Cherne Industries single-size underground Test-Ball plug for... Cherne ® 2" Sure-Grip ® Water and Air testing Plug, 22 PSI detail — natural rubber, seals round and out-of-round pipes,...
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Cherne ® 2" Sure-Grip ® Tapón de prueba de agua y aire, 22 PSI

The Cherne Industries 2" single-size underground Test-Ball plug (22 PSI) blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round...
$ 6.92

Air Testing vs. Water Testing

Sewer air test plugs are designed to hold pressure for both air and water testing of drain-waste-vent systems. Unlike standard blocking plugs that are rated for water head only, these plugs are rated to the PSI levels required for air testing — where a small leak under pressure can cause a test failure.

Sure-Grip vs. Kwik Sure

Sure-Grip — Mechanical water and air testing plug rated up to 22 PSI. Hand-tighten to expand the seal. Available in 1.5” to 4” for residential and commercial DWV systems.

Kwik Sure — Higher-pressure mechanical plug rated up to 185 PSI (varies by size). Compact design for clean-out and end-of-pipe testing. Available from 0.39” to 5”.

Also includes air testing hose assemblies

Low Pressure Air Testing Triple Hose assemblies in 25’ and 50’ lengths — the inflation and gauge lines you need to connect your air test setup.

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