Products Pneumatic Test Balls Blocking Plugs

Blocking Plugs

Cherne® offers Blocking Plugs for any size pipe(s) you encounter on your project. Our Clean Seal and Clean Seal II work great for those DWV testing challenges. Our long and MS (Multi-Stage) plugs assist in underground sanitary and storm sewer projects. Cherne also offers Specialty Pillow Plugs for the largest of pipe diameters.   

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271705_h.jpg - Cherne® 1-1/2 in. Clean-Seal® Plug

Cherne® Clean-Seal®

Cherne

13 psi (0,9 bar)/30 ft. (9.1 M)

Black

Clean-Seal

Plumbing

Blocking

Removable and field repairable inflation valve fitting

Clean-Seal® Plug holds back up to 13 PSI or 30 ft. of head pressure

Plug design keeps work area and plumber dry no backsplash

Seals both plastic and hard to seal cast iron threaded cleanouts

Easy to install

Natural rubber body provides a leak-free seal

High-impact ABS threads for maximum durability

13

30 psi (2,1 bar)

4.75 in. (121 mm)

1.5 in. (38 mm)

1/8 in.

1.5 in. (40 mm)

0.15 lb.

1.5

2

2

35 psi (2,4 bar)

5.81 in. (150 mm)

2.38 in. (60 mm)

1/8 in.

2 in. (50 mm)

Yes

0.3 lb.

2.38

2

2

35 psi (2,4 bar)

7.38 in. (188 mm)

1/4 in.

3 in. (75 mm)

3.5 in. (89 mm)

0.8 lb.

3.5

3

3

35 psi (2,4 bar)

8.5 in. (215 mm)

1/4 in.

4 in. (100 mm)

4.5 in. (115 mm)

1.3 lb.

5

4

4

25 psi (1,7 bar)

11 in. (280 mm)

1/4 in.

6 in. (150 mm)

6.63 in. (168 mm)

3.5 lb.

6.63

6

6

18_I-SeriesTest-BallPlugsNew_H_001.jpg - Cherne® 4-8 in. I-Series Test-Ball® Plug

Cherne® I-Series® Test-Ball®

Cherne

I-Series Test-Ball

Black

Waterworks

Blocking

I-Series Test Ball Plugs are industry leading quality, consistency and durability

Mechanical bonding of premium natural rubber and end plates eliminates failures from chemical bonding

Improved performance and safety through optimized design

Premium performance and aesthetics

Superior back pressure

Lightweight, short and flexible

15 psi (1 bar)

45 psi (3 bar)

3.95 in. - 8.25 in. (92 - 210 mm)

23 in.

0.125 in.

4 in. - 8 in. (100 - 200 mm)

3.41 in.

0.25 in. Eyebolt

3.8 lb.

No

No

15

3.41

4

8

15 psi (1 bar)

45 psi (3 bar)

5.5 in. - 12.25 in. (140 - 310 mm)

25 in.

0.25 in.

6 in. - 12 in. (150 - 300 mm)

5.41 in.

0.25 in. Eyebolt

7.1 lb.

No

No

15

5.41

6

12

15 psi (1 bar)

45 psi (3 bar)

7.5 - 12.25 in. (190 - 312 mm)

19.8 in.

0.25 in.

8 in. - 12 in. (200 - 300 mm)

6.85 in.

0.25 in. Eyebolt

No

11 lb.

No

15

6.85

8

12

15 psi (1 bar)

45 psi (3 bar)

7.5 in. - 16.25 in. (186 - 413 mm)

28 in.

0.25 in.

6.41 in.

8 in. - 16 in. (200 - 400 mm)

0.25 in. Eyebolt

11.4 lb.

No

No

15

6.41

8

16

15 psi (1 bar)

45 psi (3 bar)

10.75 in. - 18.25 in. (279 - 464 mm)

25 in.

10.5 in.

0.25 in.

12 in. - 18 in. (300 - 450 mm)

0.25 in. Eyebolt

20.7 lb.

No

No

15

10.5

12

18

15 psi (1 bar)

45 psi (3 bar)

10.75 in. - 18.25 in. (279 - 464 mm)

25 in.

11.9 in.

0.25 in.

12 in. - 18 in. (300 - 450 mm) with sleeve

0.25 in. Eyebolt

38 lb.

No

No

15

11.9

12

18

15 psi (1 bar)

45 psi (3 bar)

11 in. - 24.25 in. (279 - 616 mm)

37 in.

10.38 in.

0.25 in.

Yes

12 in. - 24 in. (300 - 600 mm)

0.25 in. Eyebolt

26.9 lb.

No

15

10.38

12

24

15 psi (1 bar)

45 PSI

11 in. - 24.25 in. (279 - 616 mm)

37 in.

11.9 in.

0.25 in.

12 in. - 24 in. (300 - 600 mm) with sleeve

0.25 in. Eyebolt

42.2 lb.

No

No

15

11.9

12

24

12.2 psi

48 in. (1219 mm)

15.63 in.

1/4 in. & 1/2 in.

15 in. - 32 in. (380 - 800 mm)

25 psi (1,72 bar)

15 in. - 32 in. (380 - 800 mm)

0.75 in. Eyebolt

No

99 lb.

No

12.2

15.63

15

32

12.2 psi

25 psi (1,72 bar)

15 in. - 32 in. (380 - 800 mm)

48 in. (1219 mm)

14.3 in. (363 mm)

1/4 in. & 1/2 in.

3/4 in. (2)

15 in. – 32 in. (380 – 800 mm)

65 lb.

No

No

12.2

14.3

15

32

Rubber

No

53.5 in. (1359 mm)

8.7 psi

19.5 in. (495.3 mm)

1/4 in. & 1/2 in.

20 in. - 40 in. (500–1000 mm)

25 psi (1,72 bar)

20 in. - 40 in. (508 - 1000 mm)

3/4 in. (2)

81 lb.

No

8.7

19.5

20

40

10 psi / 23 ft.

22 psi (1,5 bar)

20.5 in. - 50 in. (521 - 1270 mm)

68 in.

1/4 in. & 1/2 in.

24 in. - 48 in. (600 - 1200 mm)

3/4 in.

No

19.1 in. (485 mm)

125 lb.

No

10

19.1

24

48

10.1 psi

24 in. - 48 in. (600 - 1200 mm)

68 in. (1730 mm)

20.83 in.

1/4 in. & 1/2 in.

22 psi (1,5 bar)

20.5 in. - 50 in. (521 - 1270 mm)

0.75 in. Eyebolt

No

188 lb.

10.1

20.83

24

48

6 PSI

88 in.

20.77 in.

0.25in. & 0.5 in.

24 in. - 48 in. (600 - 1200 mm)

22 PSI

20.5 in. - 60.5 in. (520 - 1537 mm)

0.75 in. Eyebolt

No

253 lb.

No

6

20.77

24

48

6 PSI/14 ft

22 psi (1,5 bar)

20.5 in. - 60.5 in. (520 - 1537 mm)

88 in.

1/4 in. & 1/2 in.

3/4 in. (2)

19.1 in. (485 mm)

24 in. - 60 in. (600 - 1500 mm)

140 lb.

No

No

6

19.1

24

60

6 PSI/14 ft

12 psi (0,83 bar)

44 in. - 72.25 in. (1118 - 1835 mm)

100 in.

0.5 in.

48 in. – 72 in. (1200– 1800 mm)

3/4 in.

43 in. (1092.2 mm)

500 lb.

No

No

6

36

48

72

6 PSI

48 in. – 72 in. (1200–1800 mm)

100 in.

47.17 in.

0.5 in.

12 PSI

44 in. - 72.25 in. (1200 - 1835 mm)

0.75 in. Eyebolt

No

455 lb.

No

6

36

48

72

6.4 PSI

11 psi (0,75 bar)

54 in. - 96.25 in. (1400 - 2450 mm)

128 in.

1/2 in. (2)

3/4 in.

43 in. (1092.2 mm)

54 in. - 96 in. (1400 - 2400 mm)

500 lb.

No

No

6.4

36

54

96

6.4 PSI

128 in.

49.79 in.

0.5 in.

54 in. - 96 in. (1400 - 2400 mm)

11 PSI

54 in. - 96.25 in. (1400 - 2450 mm)

0.75 in. Eyebolt

No

729 lb.

No

6.4

36

54

96

270-032_h.jpg - Cherne® 3/4 in.-1-1/4 in. Test-Ball® Plug

Cherne® Single-Size Plumbing Test-Ball®

Cherne

Black

Single-Size Plumbing Test-Ball

Ring and Chain

Plumbing

Blocking

Single-Size Test-Ball® Plugs are designed to test drain, vent and waste systems in every type of pipe

Natural rubber body provides excellent expansion and a great seal in round and out-of-round pipe

Inflatable design can fit through test tees, sanitary tees, floor drains and other hard to access pipe openings

Ideal for testing DWV plumbing systems at pressures up to 13 psi or with 30 ft of head pressure

Utilizes a standard tire air fitting for easy connections

Ring and chain assembly helps prevent the plug from being drawn into DWV systems during tests

17 psi (1,2 bar)/40 ft. (12 M)

65 psi (4,5 bar)

.75 in. - 1.30 in. (20 - 33 mm)

3.75 in.

0.73 in.

.75 in. - 1.25 in. (20 - 30 mm)

0.73 in. (18.5 mm)

3.5 oz.

17

0.73

1

1

13 psi (0,9 bar)/30 ft. (9.1 M)

40 psi (2,8 bar)

1.17 in. - 1.75 in. (30 - 44 mm)

5.5 in.

1.1 in.

1.25 in. - 1.5 in. (35 - 40 mm)

1.1 in. (31 mm)

3.5 oz.

13

1.1

1

2

13 psi (0,9 bar)/30 ft. (9.1 M)

40 psi (2,8 bar)

1.9 in. - 2.25 in. (48 - 57 mm)

2.84 in.

1.77 in.

2 in. (50 mm)

1.77 in. (45 mm)

3.5 oz.

13

1.77

2

2

13 psi (0,9 bar)/30 ft. (9.1 M)

35 psi (2,4 bar)

2.34 in. - 2.75 in. (48-70 mm)

4.5 in.

2.3 in.

2.5 in. (64 mm)

6.5 oz.

13

2.3

3

3

13 psi (0,9 bar)/30 ft. (9.1 M)

35 psi (2,4 bar)

2.77 in. - 3.25 in. (70 - 83 mm)

5.25 in.

3 in. (75 mm)

Yes

2.64 in.

2.64 in. (67 mm)

6.5 oz.

13

2.64

3

3

13 psi (0,9 bar)/30 ft. (9.1 M)

30 psi (2,1 bar)

3.41 in. - 4.25 in. (87 - 108 mm)

6.5 in.

4 in. (100 mm)

Yes

3.25 in.

3.25 in. (83 mm)

9 oz.

13

3.25

4

4

13 psi (0,9 bar)/30 ft. (9.1 M)

30 psi (2,1 bar)

4.6 in. - 5.25 in. (117 - 133 mm)

7.75 in.

5 in. (125 mm)

4.5 in.

4.5 in. (114 mm)

1.3 lb.

13

4.5

5

5

13 psi (0,9 bar)/30 ft. (9.1 M)

30 psi (2,1 bar)

5.44 in. - 6.25 in. (138 - 159 mm)

9 in.

6 in. (150 mm)

5.25 in.

5.25 in. (135 mm)

1.9 lb.

13

5.25

6

6

675115240018_H_001.jpg - Cherne® 1-1/4 in.-1-1/2 in. Test-Ball® Plug

Cherne® Single-Size Plumbing Test-Ball® Plugs

Cherne

13 PSI / 30 ft.

Black

Single-Size Plumbing Test-Ball

Ring and Chain

Plumbing

tank valve

Bulk Test-Ball® Plugs are designed to test drain, vent and waste systems

Same great Test-Ball plug in bulk packaging

Can be inserted through a test tee to seal out-of-round pipe

Schrader Valve Inflator

Ring and Chain Assembly prevents plug from dropping

13

5.5 in.

1.1 in.

1.25-1.5 in.

40 PSI

1.17-1.75 in.

1.1

1

2

2.84 in.

1.77 in.

2 in.

40 PSI

1.9-2.25 in.

1.77

2

2

5.25 in.

3 in. (75 mm)

35 PSI

2.77-3.25 in.

2.64 in.

2.64

3

3

6.5 in.

4 in. (100 mm)

30 PSI

3.41-4.25 in.

3.25 in.

3.25

4

4

675115041387_H_001.jpg - Cherne® 8 in. Test-Ball® Plug

Cherne® Single-Size Underground Test-Ball®

Cherne

Black

1/4 in. (1)

25 psi (1,7 bar)

Single-Size Underground Test-Ball

3/8"

Waterworks

Blocking

Single-Size Underground Test-Ball® Plugs are made of natural rubber material for excellent expansion and memory

Seals both round and out-of-round pipe

Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting

Features an eye-bolt for use with a poly-lift line

Use to block flow or as a back plug for sewer air testing

Available in multiple sizes

10.25 in. (257 mm)

17 PSI / 40 ft.

7.00 in. - 8.25 in. (178 - 210 mm)

Yes

6.75 in. (171 mm)

8 in. (200 mm)

Holds 40 ft of head and back pressure to 17 PSI

17

6.75

8

8

11.75 in. (298 mm)

17 PSI / 40 ft.

10 in. (250 mm)

9.00 in. - 10.25 in. (229 - 260 mm)

8.75 in. (222 mm)

Holds 40 ft of head and back pressure to 17 PSI

8.7

8.75

10

10

13.75 in. (350 mm)

17 PSI / 40 ft.

10.25 in. (260 mm)

10.50 in. - 12.25 in. (267 - 311 mm)

12 in. (300 mm)

Holds 40 ft of head and back pressure to 17 PSI

17

10.25

12

12

19.75 in. (502 mm)

13 PSI / 30 ft.

13.75 in. (346 mm)

15-16 in. (375 - 400 mm)

14-16.25 in.

Holds 30 ft of head and back pressure to 13 PSI

13

13.75

15

16

675115271043_H_001.jpg - Cherne® 2 in. Long Test-Ball® Plug

Cherne® Long Test-Ball®

Cherne

13 psi (0,9 bar)/30 ft. (9,1 M)

Black

Long Test-Ball

Ring and Chain

Plumbing

tank valve

Blocking

Includes a 3 ft extension hose

Long Test-Ball® Plugs are designed for waste stack testing

Natural-rubber construction provides an excellent seal

Compatible with PVC pipes

Makes sealing wye fittings easy when performing tests on DWV systems

Withstands up to 13 psi or 30 ft of head pressure

Ring and chain assembly help prevent the plug from being drawn into the DWV plumbing system during testing

13

45 psi (3 bar)

1.75-2.25 in.

18.25 in.

1.5 in.

2 in. (50 mm)

1.1 lb.

1.5

2

2

35 psi (2,4 bar)

2.75-3.25 in.

20.75 in.

3 in. (75 mm)

2.31 in.

1.88 lb.

2.31

3

3

45 psi (3 bar)

3.25-6.25 in.

28.5 in.

4 in. - 6 in. (100 - 150 mm)

3 in.

4 lb.

3

4

6

30 psi (2,1 bar)

3.5-4.25 in.

24.75 in.

4 in. (100 mm)

Yes

2.5 in.

2.31 lb.

2.5

4

4

30 psi (2,1 bar)

5.5-6.25 in

28.25 in.

6 in. (150 mm)

4.12 in.

5.3 lb.

4.12

6

6

274526.jpg - Cherne® 2in.- 3in. MS2® Plug

Cherne® MS2® Long Test-Ball®

Cherne

13 psi (0,9 bar)/30 ft. (9.1 M)

Black

MS2 Long Test-Ball

Strap and Handle

Plumbing

tank valve

Blocking

Designed for waste stack testing from floor drain to sewer pipe

Long enough to seal wye vertical riser and sewer run

Multi-stage deflation eliminates backsplash

Pressure relief valve to safeguard against over-inflation

Nylon strap and safety handle prevents plug from sliding down a line

Includes 5' extension hose

13

40 psi (2,8 bar)

1.75 - 3.25 in. (44 - 83 mm)

19.44 in.

1.58 in. (37 mm)

2 in. - 3 in. (50-75 mm)

1.31 lb.

1.58

2

3

40 psi (2,8 bar)

2.75 - 4.25 in. (70 - 108 mm)

23.75 in.

Yes

2.38 in. (60 mm)

3 in. - 4 in. (75 - 100 mm)

2.45 lb.

2.38

3

4

30 psi (2,1 bar)

3.5 - 6.25 in. (89 - 159 mm)

26.62 in.

4 in. - 6 in. (100 - 150 mm)

3.25 in. (83 mm)

3.91 lb.

3.25

4

6

675115276345_H_001.jpg - Cherne® 1-1/4 in.-2 in. Multi-Size Test-Ball® Plug

Cherne® Multi-Size Plumbing Test-Ball®

Cherne

17 psi (1,2 bar)/40 ft. (12 M)

Black

Multi-Size Plumbing Test-Ball

Ring and Chain

Plumbing

tank valve

Blocking

Use to block flow (water DWV test) or as a back plug for sewer air testing

Seals both round and out-of-round pipe

Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line

Natural rubber provides great sealing properties as well as excellent expansion and memory

17

40 PSI

1.25 in. - 2.10 in. (32 - 53 mm)

5.56 in.

1.21 in. (31 mm)

2 in. - 3 in. (50 - 75 mm)

3.7 oz.

1.21

2

3

35 PSI

1.9 in. - 3.1 in. (48 - 80 mm)

5.57 in.

1.78 in. (45 mm)

1.25 in. - 2 in. (35 - 50 mm)

4.7 oz.

1.78

1

2

40 PSI

2.8 in. - 4.25 in. (70 - 108 mm)

5.18 in.

Yes

2.64 in. (67 mm)

4 in. - 6 in. (100 - 150 mm)

7.8 oz.

2.64

4

6

30 PSI

3.4 in. - 6.25 in. (87 - 155 mm)

9.47 in.

3 in. - 4 in. (75 - 100 mm)

3.28 in. (83 mm)

1.4 lb.

3.28

3

4

675115275089_H_001.jpg - Cherne® 4 In.- 6 In. Multi-Size Underground Test-Ball® Plug

Cherne® Multi-Size Underground Test-Ball®

Cherne

Black

Multi-Size Underground Test-Ball

Waterworks

Blocking

One plug fits multiple pipe diameters

Made of natural rubber for excellent expansion and memory

Seals both round and out-of-round pipe

Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting

Use to block flow or as a back plug for sewer air testing

17 psi (1,2 bar)/40 ft. (12 M)

30 psi (2,1 bar)

3.75 in. - 6.25 in. (92 - 159 mm)

9.8 in.

1/8 in. (1)

4 in. - 6 in. (100 - 150 mm)

1/4 in. (1)

3.5 in. (85 mm)

2 lb.

Multi-Size Underground Test-Ball® Plug for 4 in - 6 in pipe

17

3.5

4

6

17 psi (1,2 bar)/40 ft. (12 M)

30 psi (2,1 bar)

5.25 in. - 8.25 in. (135 - 210 mm)

14 in.

1/4 in. (1)

3/8 in. (1)

5 in. (127 mm)

6 in. - 8 in. (150–200 mm)

3.5 lb.

Multi-Size Underground Test-Ball® Plug for 6 in - 8 in pipe

17

5

6

8

11 psi (0,75 bar)/25 ft. (8 M)

20 psi (1,4 bar)

7 in. - 12.25 in. (178 - 311 mm)

16 in.

1/4 in. (1)

8 in. - 12 in. (200 - 300 mm)

3/8 in. (1)

Yes

6.75 in. (171 mm)

6.63 lb.

Multi-Size Underground Test-Ball® Plug for 8 in - 12 in

11

6.75

8

12

511088_h.jpg - Cherne® 4 in. - 8 in. High Pressure Plug

Cherne® Multi-Size High Pressure Plugs

Cherne

150 PSI / 346 ft.

200 PSI / 13.8 bar

Waterworks

Multi-Size High Pressure

Bypass

Made in USA

Air is purged from the plug during inflation

The rubber and metal is bonded, eliminating fears of separation or rolling off resulting from high back pressures

Optimized design using steel, aramid and natural rubber to ensure longevity and robust construction

Water must be used to pressurize these plugs due to high working pressure

Removable and field repairable hardware

Safety/Over-inflation device

150

3.8-8.2 in.

16 in.

Black

0.25 in.

4 in. - 8 in. (100 - 200 mm)

Yes

3.8 in.

3/8 in. M

Air is purged from the test area (8-12" and larger diameter)

Multi-Size design for use in various pipe diameters

3.8

4

8

7.7-12.2 in.

24 in.

Black

0.25 in.

8 in. - 12 in. (200 - 300 mm)

0.625 in. Eyebolt

7.7 in.

1-1/2 in. M

Air is purged from the test area (8-12" and larger diameter)

Multi-Size design for use in various pipe diameters

7.7

8

12

11.9-16.2 in.

24 in.

Black

11.9 in.

0.25 in.

0.625 in. Eyebolt

12-16 in. (300-400 mm)

2 in. M

Air is purged from the test area (8-12" and larger diameter)

Multi-Size design for use in various pipe diameters

No

11.9

12

16

15.2-20.2 in.

24 in.

Black

15.2 in.

0.5 in.

16-20 in. (400-500 mm)

0.75 in. Eyebolt

2 in. M

Air is purged from the test area (8-12" and larger diameter)

Multi-Size design for use in various pipe diameters

15.2

16

20

19.2-26.2 in.

24 in.

Black

0.5 in.

0.75 in. Eyebolt

19.2 in.

20-26 in. (500-650 mm)

2 in. M

Air is purged from the test area (8-12" and larger diameter)

Multi-Size design for use in various pipe diameters

19.2

20

26

25.8-32.2 in.

24 in.

Black