For other test equipment click here
An efficient way to test manholes!
These manhole testers provide the most efficient, accurate, and cost-effective method of testing new, existing, and rehabilitated manholes, per ASTM C 1244.
Vacuum testing identifies infiltration and exfiltration problems by creating a vacuum in a manhole and then monitoring a gauge for vacuum loss. Less expensive and faster than water testing, the manhole testers' remote-inflation and monitoring system keeps users away from the danger zone.
Bladder-Style Head Assemblies
Features:
-
Seals the inside diameter of the manhole at frame or cone
-
Supported by a durable aluminum brace
-
Push-pin rod design for easy depth adjustment
Click an Item Number below for the Web Store
| Sealing Range |
Description |
Shpg
Wt
lbs |
Item
Number |
Unit
Price
Each |
| Maximum |
Minimum |
| in |
mm |
in |
mm |
| 24.3 |
617 |
20.0 |
508 |
24" Bladder Tester |
78 |
938-7124 |
US $2,440.00 |
| 26.3 |
668 |
21.5 |
546 |
26" Bladder Tester |
93 |
938-7126 |
US $2,511.00 |
| 29.3 |
744 |
24.0 |
609 |
29" Bladder Tester |
108 |
938-7129 |
US $2,547.00 |
| 30.3 |
769 |
25.0 |
635 |
30" Bladder Tester |
112 |
938-7130 |
US $2,557.00 |
| 32.8 |
833 |
27.5 |
698 |
32" Bladder Tester |
117 |
938-7132 |
US $2,752.00 |
| 36.0 |
914 |
31.5 |
800 |
36" Bladder Tester |
132 |
938-7136 |
US $2,870.00 |

Plate-Style Head Assemblies
Features:
-
Designed to seal manhole cone surface
-
Seals a wide range of manhole diameters
-
Neoprene gasket for leak-free seal
Sealing Range |
Description |
Shpg
Wt
lbs |
Item
Number |
Unit
Price
Each |
Maximum |
Minimum |
in |
mm |
in |
mm |
30 |
762 |
18 |
457 |
32" Plate-Style Tester |
48 |
938-7232 |
US $1,425.00 |
36 |
914 |
18 |
457 |
38" Plate-Style Tester |
66 |
938-7238 |
US $1,461.00 |
42 |
1066 |
18 |
457 |
44" Plate-Style Tester |
87 |
938-7244 |
US $1,538.00 |
|

Vacuum Pumps
Features:
-
Choose a Honda or Briggs & Stratton engine - each with low-oil shut-off to prevent engine failure
-
Heavy-duty frame with optional wheel kit
-
Unbreakable aluminum filter jars
-
Oil-free graphite vane pump for no-fuss lubrication
-
Draws 10" HG vacuum in about two minutes for a 15' deep manhole
Description |
Shpg
Wt
lbs |
Item
Number |
Unit
Price
Each |
Vacuum Pump with Honda Engine |
178 |
938-7088 |
US $2,870.00 |
Vacuum Pump with Briggs Engine |
179 |
938-7168 |
US $2,486.00 |
Wheel Kit Option |
23 |
938-7918 |
US $123.00 |

Vacuum Generators
Features:
- Converts standard air compressor into a vacuum source for testing manholes - draws a vacuum in minutes
- Vacuum generator 460 delivers 14 CFM at 10" HG (air compressor: minimum 7 CFM at 100 psi)
- Vacuum generator 600 delivers 42 CFM at 10" HG, meeting or exceeding the competition (air compressor: minimum 85 CFM at 100 PSI)
Description |
Shpg
Wt
lbs |
Item
Number |
Unit
Price
Each |
Vacuum Generator 460 |
5 |
938-7460 |
US $420.00 |
Vacuum Generator 600 |
11 |
938-7600 |
US $728.00 |
|