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CHERNE - Single-Size & Multi Size Test Ball® Pipe Plugs 
(Sizes .75-96")    Aka- BLOCKING PLUG - DEAD BALL PLUG   

BACK          CHERNE MAIN PRODUCTS PAGE       TECHNICAL DATA               CHERNE PLUMBING PRODUCTS  

CHERNE Test ball PIPE PLUGS
SINGLE SIZE & MULTI SIZE TEST PIPE PLUGS

The Cherne Test-Ball has been the contractor's choice for over 50 years and continues to be the most trusted pneumatic test ball in the industry. Designed for applications from pressure testing and blocking of residential DWV systems to repair maintenance and installation of municipal infrastructure including storm and sanitary sewer piping systems, The Cherne Test-Ball does it all.
Cherne Test-Balls are durable, rugged and effective in any type of pipe.
• Multi-size: More options, less inventory
• Available with patented field repairable rupture disc technology
• ¼" Schrader tire valve standard on all plugs
• Large plugs feature a removable valve allowing them to be repaired or replaced with quick disconnect fittings
• All Test-Balls are bendable to 90˚
Cherne Test-Balls are now available with patented Rupture Disc Technology.  This feature prevents over inflation of the pneumatic plug.  Rupture Disc Technology also prevents damage to cording. Damaged cording is an unseen condition that compromises plug performance.
ACCESSORIES - Poly Lift Line - Inflation Fittings
 

CHERNE Single Size Test Ball® Pipe Plugs

Part
Number

Nominal
Size

Range
of Use

Maximum
Back Pressure

Inflation
Pressure

Product
Weight

Deflated
Length

Deflated
Diameter

Inflation
Thread

Chain /
Eye bolts

270008

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

 .75"-1.30"
 (20-33 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

45 psi
(3,1 bar)

3.5 oz
(0.1 kg)

3.75"
(95 mm)

0.75"
(18.5 mm)

Molded in
Valve

Removable
Chain

270016

1.25-1.5
(30-40 mm)

 1.17"-1.75"
 (30-44 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

40 psi
(2,8 bar)

3.5 oz
(0.1 kg)

5.5"
(141 mm)

1.1"
(33 mm)

Molded in
Valve

Removable
Chain

276128

1.25 - 2
(32-50 mm)

 1.25"-2.10"
 (32-53 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

40 psi
(2,8 bar)

3.7 oz
(0.11 kg)

5.56"
(141 mm)

1.21"
(31 mm)

Molded in
Valve

Removable
Chain

270024

2"
(50 mm)

 1.9"-2.25"
 (48-57 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

40 psi
(2,8 bar)

3.5 oz
(0.1 kg)

3.5"
(85 mm)

1.75"
(45 mm)

Molded in
Valve

Removable
Chain

276238

2" - 3"
(50-75 mm)

 1.9"-3.25"
 (48-80 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

35 psi
(2,4 bar)

4.7 oz
(0.13 kg)

5.57"
(141 mm)

1.78"
(45 mm)

Molded in
Valve

Removable
Chain

270108

2.5"
(65 mm)

 2.34"-2.75"
 (48-70 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

35 psi
(2,4 bar)

6.5 oz
(0.2 kg)

4.5"
(114 mm)

2.3"
(59 mm)

Molded in
Valve

Removable
Chain

270032

3"
(75 mm)

 2.77"-3.25"
 (70-83 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

35 psi
(2,4 bar)

6.5 oz
(0.2 kg)

5.25"
(132 mm)

2.64"
(67 mm)

Molded in
Valve

Removable
Chain

276348

3" - 4"
(75-100 mm)

 2.8"-4.25"
 (70-104 mm)

17 psi
(1,2 bar)

40
(12 M)

40 psi
(2,8 bar)

7.8 oz
(0.22 kg)

5.18"
(132 mm)

2.64"
(67 mm)

Molded in
Valve

Removable
Chain

270040

4"
(100 mm)

 3.41"-4.25"
 (87-108 mm)

13 psi
(0,9 bar)

30
(9.1 M)

30 psi
(2,1 bar)

9 oz
(0.25 kg)

6.5"
(163 mm)

3.25"
(83 mm)

Molded in
Valve

Removable
Chain

275048

4" - 6"
(100-150 mm)

3.75"-6.25"
(92-159 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

30 psi
(2,1 bar)

2 lbs
(0.91 kg)

10.5"
(250 mm)

3.5"
(85 mm)

1/8" (1)

1/4" (1)

276468

4" - 6"
100-150 mm)

 3.4"-6.25"
 (87-155 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

30 psi
(2,1 bar)

2 lbs
(0.62 kg)

9.47"
(241 mm)

3.28"
(83 mm)

Molded in
Valve

Removable
Chain

395088

4" - 8"
(100-200 mm)

 3.6"-8.25"
 (92-210 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

30 psi
(2,1 bar)

2.5 lbs
(1.13 kg)

20.6"
(469 mm)

3.5"
(70 mm)

1/4" (1)

3/8" (1)

270059

5"
(125 mm)

 4.6"-5.25"
 (117-133 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

30 psi
(2,1 bar)

1.3 lbs
(0.6 kg)

7.75"
(200 mm)

4.5"
(114 mm)

Molded in
Valve

Removable
Chain

270067

6"
(150 mm)

 5.44"-6.25"
 (138-159 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

30 psi
(2,1 bar)

1.9 lbs
(0.85 kg)

9"
(230 mm)

5.25"
(135 mm)

Molded in
Valve

Removable
Chain

275058 

6" - 8"
(150-200 mm)

 5.25"-8.25"
 (140-210 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

35 psi
(2,4 bar)

3.5 lbs
(1.6 kg)

14"
(356 mm)

4.5"
(114 mm)

1/4" (1) 

1/4" (1) 

395128

6"-12"
(150-300 mm)

 5.5"-12.25"
 (140-310 mm)

13 psi

(0,9 bar)

30 ft.

(9.1 M)

30 psi

(2,1 bar)

5.3 lbs

(2.4 kg)

26.25"

(667 mm)

5.25"

(133 mm)

1/4" (1)

3/8" (1)

041386

8"
(200 mm)

 7"-8.25"
 (178-210 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

25 psi
(1,7 bar)

3.4 lbs
(1.6 kg)

10.25"
(257 mm)

6.75"
(172 mm)

1/4" (1)

3/16" (1)

275088

8" - 12"
(200-300 mm)

 7"-12.25"
 (178-311 mm)

11 psi
(0,75 bar)

25 ft.
(8 M)

20 psi
(1,4 bar)

6.63 lbs
(3 kg)

16"
(406 mm)

6.75"
(176 mm)

1/4" (1)

3/8" (1)

395168

8" - 16"
(200-400 mm)

 7.5"-16.25"
 (186-413 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

30 psi
(2,1 bar)

14.5 lbs
(6.5 kg)

29.5"
(750 mm)

7.25"
(184 mm)

1/4" (1)

3/8" (1)

385168

8" - 16"
Short

(200-400 mm)

 7.5"-16.25"
(186-413 mm)

7.5 psi
(0,5 bar)

16.75 ft.
(5.1 M)

30 psi
(2,1 bar)

11 lbs
(5 kg)

23"
(585 mm)

7.25"
(184 mm)

1/4" (1)

3/8" (1)

041394

10"
(250 mm)

 9"-10.25"
 (229-260 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

25 psi
(1,7 bar)

5.6 lbs
(2.5 kg)

11.75"
(298 mm)

8.75"
(221 mm)

1/4" (1)

3/16" (1)

041408

12"
(300 mm)

 10.5"-12.25"
 (267-311 mm)

17 psi
(1,2 bar)

40 ft.
(12 M)

25 psi
(1,7 bar)

10.9 lbs
(5 kg)

13.75"
(351 mm)

10.25"
(262 mm)

1/4" (1)

3/16" (1)

275128

12" - 18"
(300-450 mm)

 10.75"-18.25"
 (273-464 mm)

11 psi(0,75 bar)

25 ft.
(8 M)

25 psi
(1,7 bar)

22.4 lbs
(10.2 kg)

24"
(610 mm)

10.5"
(267 mm)

1/4" (1)

3/8" (1)

395248

12" - 24"
(300-600 mm)

 11"-24.25"
 (279-616 mm)

13 psi
(0,9 bar)

30 ft.
(9.1 M)

30 psi
(2,1 bar)

28 lbs
(12.7 kg)

39.5"
(1003 mm)

10.75"
(273 mm)

1/4" (1)

3/8" (1)

385248

12" - 24" Short
(300-600 mm)

 11"-24.25"
 (279-616 mm)

7.5 psi
(0,5 bar)

16.75 ft.
(5.1 M)

30 psi
(2,1 bar)

24 lbs
(11 kg)

33"
(839 mm)

10.75"
(273 mm)

1/4" (1)

3/8" (2)

*410308

15" - 30"
(375-750 mm)

14.5"-30.5"
(368-775 mm)

**11 psi
(0,76 bar)

25 ft.
(7.6 M)

25 psi
(1,7 bar)

45 lbs
(21 kg)

51"
(1289 mm)

14"
(356 mm)

1/4" &
1/2"

3/8" (2)

* 310408

20"-40"
(500-1000 mm)

19"-40"
(475-1000 mm)

8.7 psi
(0,6 bar)

20 ft.
(6.1 M)

22 psi
(1,5 bar)

66 lbs
(30 kg)

46.25"
(1175mm)

18.5"
(470 mm)

1/4" & 1/2"

1/2" (2)

*410428

24" - 42"
(600-1050 mm)

22.5"-42.5"
(570-1080 mm)

**9 psi
(0,62 bar)

20 ft.
(6.1 M)

25 psi
(1,7 bar)

100 lbs
(46 kg)

52"
(1320 mm)

22"
(560 mm)

1/4" & 1/2"

1/2" (2)

*310488

24" - 48"
(600-1200 mm)

20.5"-50"
(521-1270 mm)

**10 psi
(0,7 bar)

23 ft.
(7 M)

22 psi
(2,5 bar)

125 lbs
(57 kg)

74.5"
(1892 mm)

20"
(508 mm)

1/4" & 1/2"

5/8" (3)

*310608

30" - 60"
(700-1500 mm)

26.5"-60"
(675-1537 mm)

**10 psi
(0,7 bar)

23 ft.
(7 M)

22 psi
(2,5 bar)

210 lbs
(95.4 kg)

102"
(2591 mm)

26"
(661 mm)

1/2" (2)

5/8" (3)

*410608

40" - 60"
(1000-1500 mm)

38"-60"
(965-1537 mm)

**8.7 psi
(0,6 bar)

20 ft.
(6.1 M)

25 psi
(1,7 bar)

235 lbs
(106 kg)

73"
(1855 mm)

37.25"
(946 mm)

1/4" &
1/2"

1/2" (2)

*310728

48" - 72"(1200-1800 mm)

44"-72"
(1118-1835 mm)

6 psi
(0,41 bar)

14 ft.
(4.3 M)

12 psi
(0,83 bar)

290 lbs
(132 kg)

100"
(2540 mm)

43"
(1092 mm)

1/2" (2)

5/8" (3)

*310968

54" - 96"
(1400-2400 mm)

54"-96"
(1400-2450 mm)

6 psi(0,41 bar)

14 ft.(4.3 M)

11 psi(0,75 bar)

500 lbs(228 kg)

128"
(3200 mm)

50"
(1270 mm)

1/2"
(2)

5/8"
(3)

 

CHERNE Multi Size Test Ball® Pipe Plugs

275 441 3.0"-4.0"
(75-100mm)
2.88"
(73mm)
26 psi
(1.8bar)
60 ft
(18M)
12 oz
(0.34kg)
2.75"
(70mm)
7.9"
(200mm)
275 069 6.0"-8.0"
(150-200mm)
4.75"
(121mm)
17 psi
(1.2bar)
40 ft
(12M)
2.2 lbs
(1.02kg)
13.0"
(330mm)
4.50"
(114mm)
275 085 8.0"-12.0"
(200-300mm)
7.0"
(178mm)
17 psi
(1.2bar)
40 ft
(12M)
6.63 lbs
(3kg)
16.0"
(406mm)
6.75"
(171mm)
275 128 12.0"-18.0"
(300-450mm)
10.75"
(273mm)
17 psi
(1.2bar)
40 ft
(12M)
22.4 lbs
(10.2kg)
24.0"
(610mm)
10.50"
(267mm)
 
 
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