< Vacuum Manhole Testing

Cherne® Bladder Style Manhole Testers

Cherne® Air-Loc® Bladder Style Manhole Testers provide an efficient, accurate, cost-effective method of testing new, existing and rehabilitated manholes per ASTM C 1244. Their remote-inflation and monitoring system keeps users away from the danger zone. Cherne Industries is a global leader in pipe plugs and testing.

Available in 10 variations

Key Features & Benefits

• Cherne Air-Loc Bladder Style Manhole Testers seal the inside diameter of the manhole at frame or cone
• Supported by a durable aluminum brace
• Push-pin rod design for easy depth adjustment

Specifications

Brand:	Cherne

More Specifications

Technical Resources (1)

• FAQ

More Downloads

Available in 10 variations

Frequently Asked Questions

How much vacuum (inches of mercury) do manholes need to be tested to?

10 inches