Aluminum Shield 27” Dia. top, 30” Dia. bottom, 8” H. with tube



Manhole Shields - 2730-8A

  • Manhole Shields are temporary Pneumatic seals that keep ground water from flowing into the open manholes. Just inflate tube with 5-10 lbs. of air or nitrogen to form a water-tight seal. No clamps or sealing compounds required. Series 2730 (reversible 27″ & 30″) fits most communications manhole openings. Model 3336 (33″ & 36″) fits many Electric Utility manholes. Custom sizes are available. All aluminum fabrication.

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