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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675115310247_H_001.jpg - Cherne® 4-8 in. I-Series Test-Ball® Plug

Cherne® I-Series® Test-Ball®

Cherne

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

3.8 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

23 in.

Black

0.125 in.

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

Waterworks

3.41 in.

0.25 in. Eyebolt

Blocking

No

No

15

3.41

7.1 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

25 in.

Black

0.25 in.

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

Waterworks

5.41 in.

0.25 in. Eyebolt

Blocking

No

No

15

5.41

11 lbs.

15 psi (1 bar)

45 psi (3 bar)

7.5 - 12.25 in. (190 - 312 mm)

I-Series Test-Ball

19.8 in.

Black

0.25 in.

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

Waterworks

6.85 in.

0.25 in. Eyebolt

Blocking

No

No

15

6.85

11.4 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

28 in.

Black

0.25 in.

Waterworks

6.41 in.

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

0.25 in. Eyebolt

Blocking

No

No

15

6.41

20.7 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

25 in.

Black

10.5 in.

0.25 in.

Waterworks

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

0.25 in. Eyebolt

Blocking

No

No

15

10.5

38 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

25 in.

Black

11.9 in.

0.25 in.

Waterworks

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

0.25 in. Eyebolt

Blocking

No

No

15

11.9

26.9 lbs.

15 psi (1 bar)

45 psi (3 bar)

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

I-Series Test-Ball

37 in.

Black

10.38 in.

0.25 in.

Waterworks

Yes

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

0.25 in. Eyebolt

Blocking

No

15

10.38

42.2 lbs.

15 psi (1 bar)

45 PSI

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

I-Series Test-Ball

37 in.

Black

11.9 in.

0.25 in.

Waterworks

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

0.25 in. Eyebolt

Blocking

No

No

15

11.9

99 lbs.

I-Series Test-Ball

12.2 psi

Waterworks

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

Blocking

Black

No

No

12.2

15.63

65 lbs.

12.2 psi

25 psi (1,72 bar)

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

I-Series Test-Ball

48 in. (1219 mm)

Black

14.3 in. (363 mm)

1/4 in. & 1/2 in.

3/4 in. (2)

Waterworks

15 in. – 32 in. (380 – 800 mm)

Blocking

No

No

12.2

14.3

125 lbs.

10 psi / 23 ft.

22 psi (1,5 bar)

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

I-Series Test-Ball

68 in.

Black

1/4 in. & 1/2 in.

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

3/4 in.

Waterworks

No

19.1 in. (485 mm)

Blocking

No

10

19.1

188 lbs.

I-Series Test-Ball

10.1 psi

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

Waterworks

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

Blocking

Black

No

10.1

20.83

253 lbs.

I-Series Test-Ball

6 PSI

Waterworks

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

Blocking

Black

No

No

6

20.77

140 lbs.

6 PSI/14 ft

22 psi (1,5 bar)

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

I-Series Test-Ball

88 in.

Black

1/4 in. & 1/2 in.

3/4 in. (2)

Waterworks

19.1 in. (485 mm)

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

Blocking

No

No

6

19.1

500 lbs.

6 PSI/14 ft

12 psi (0,83 bar)

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

I-Series Test-Ball

100 in.

Black

0.5 in.

48 in. – 72 in. (1200– 1800 mm)

3/4 in.

Waterworks

43 in. (1092.2 mm)

Blocking

No

No

6

36

455 lbs.

I-Series Test-Ball

6 PSI

48 in. – 72 in. (1200–1800 mm)

Waterworks

100 in.

47.17 in.

0.5 in.

12 PSI

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

0.75 in. Eyebolt

Blocking

Black

No

No

6

36

500 lbs.

6.4 PSI

11 psi (0,75 bar)

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

I-Series Test-Ball

128 in.

Black

1/2 in. (2)

3/4 in.

Waterworks

43 in. (1092.2 mm)

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

Blocking

No

No

6.4

36

729 lbs.

I-Series Test-Ball

6.4 PSI

Waterworks

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

Blocking

Black

No

No

6.4

36

No

48 in. (1219 mm)

12.2 psi

14.3 in. (363 mm)

1/4 in. & 1/2 in.

25 psi (1,72 bar)

3/4 in. (2)

No

48 in. (1219 mm)

12.2 psi

15.63 in.

1/4 in. & 1/2 in.

25 psi (1,72 bar)

0.75 in. Eyebolt

No

53.5 in. (1359 mm)

10 psi

19.5 in. (495.3 mm)

1/4 in. & 1/2 in.

25 psi (1,72 bar)

3/4 in. (2)

No

53.5 in. (1359 mm)

10 psi

20.83 in.

1/4 in. & 1/2 in.

22 psi (1,5 bar)

0.75 in. Eyebolt

No

68 in.

10 psi

19.1 in. (485 mm)

1/4 in. & 1/2 in.

25 psi (1,72 bar)

3/4 in.

No

68 in. (1730 mm)

10 psi

20.83 in.

1/4 in. & 1/2 in.

22 psi (1,5 bar)

0.75 in. Eyebolt

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

3.5 oz.

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)

17

0.73

3.5 oz.

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)

13

1.1

3.5 oz.

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)

13

1.77

6.5 oz.

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)

13

2.3

6.5 oz.

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)

13

2.64

9 oz.

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)

13

3.25

1.3 lbs.

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)

13

4.5

1.9 lbs.

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)

13

5.25

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

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

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

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

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

25.8-32.2 in.

24 in.

Black

0.5 in.

26-32 in. (650-800 mm)

0.75 in. Eyebolt

25.8 in.

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

25.8

37.2-42.2 in.

Air is purged from the test area (8 in.–12 in. to 38 in.–42 in. sizes)

Multi-size range use (6 plugs will cover pipe sizes from 4 in. to 42 in.)

No

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