Brochure
Cherne’s Original Single Size and Multi-Size Test
Ball Plugs are our most economical pneumatic
plugs for blocking ow to do maintenance in
sanitary and storm sewer systems. These plugs
may also be used as a back plug for sewer air tests.
All of the single-size and multi-size Test Ball plugs
have eyebolts for attaching a rope or clevis for lifting
and lowering the plug. And each plug also has a
removable Schrader valve for easy replacement
or substitution with a quick disconnect tting.
Made from natural rubber, these plugs are tough,
tear-resistant and will work on any type of pipe,
including out-of-round pipe.
Blocking ow
TEST-BALL
®
PLUGS –
UNDERGROUND
SINGLE SIZE ORIGINAL TEST BALLS
MULTI-SIZE ORIGINAL TEST BALLS
PART
NUMBER
NOMINAL
SIZE
USAGE
RANGE
MAXIMUM
BACK PRESSURE
INFLATION
PRESSURE
PRODUCT
WEIGHT
DEFLATED
LENGTH
DEFLATED
DIAMETER
INFLATION
THREAD
CHAIN /
EYE BOLTS
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) 3/8" (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) 3/8" (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) 3/8" (1)
041416
15-16"
(375-
400 mm)
14"-16.25"
(356-
413 mm)
13 psi
(0,9 bar)
30 ft.
(9,1 M)
25 psi
(1,7 bar)
29.5 lbs
(13.4 kg)
19.75"
(502 mm)
13.75"
(346 mm)
1/4" (1) 3/8" (2)
PART
NUMBER
NOMINAL
SIZE
USAGE
RANGE
MAXIMUM
BACK PRESSURE
INFLATION
PRESSURE
PRODUCT
WEIGHT
DEFLATED
LENGTH
DEFLATED
DIAMETER
INFLATION
THREAD
CHAIN /
EYE BOLTS
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)
9.8"
(250 mm)
3.5"
(85 mm)
1/8" (1) 1/4" (1)
275058
6" - 8"
(150-200
mm)
5.25"-
8.25"
(135-
210 mm)
17 psi
(1,2 bar)
40 ft.
(12 M)
30 psi
(2,1 bar)
3.5 lbs
(1.6 kg)
14"
(356 mm)
5"
(127 mm)
1/4" (1) 3/8" (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"
(171 mm)
1/4" (1) 3/8" (1)
ALWAYS BLOCK PLUGS WHEN CONDUCTING AIR TESTS.
9