Manhole Vacuum Testing

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These testers are made with Natural rubber.

An efficient way to test manholes!

These manhole vacuum 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. Can be used in manholes as deep as 40' if desired.

Bladder-Style Head Assemblies

Features:

• Seals the inside diameter of the manhole at frame or cone
• Supported by a durable aluminum brace
• Hose (20 ft.) and gauge assembly included
• Push-pin rod design for easy depth adjustment

Click an Item Number below to order 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 26.3 668 21.5 546 26" Bladder Tester 93 938-7126 29.3 744 24.0 609 29" Bladder Tester 108 938-7129 30.3 769 25.0 635 30" Bladder Tester 112 938-7130 32.8 833 27.5 698 32" Bladder Tester 117 938-7132 34.3 871 30.0 762 34" Bladder Tester 125 938-7134 36.0 914 31.5 800 36" Bladder Tester 132 938-7136   Plate-Style Head Assemblies Features: Designed to seal manhole cone surface Seals a wide range of manhole diameters Hose (20 ft.) and gauge assembly included 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 36 914 18 457 38" Plate-Style Tester 66 938-7238 42 1066 18 457 44" Plate-Style Tester 87 938-7244

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

Vacuum Generators

Features: