Universal Mechanical Duct Seals

Protect your installations with our Universal Kraso Retrofit Mechanical Duct Seals—the ultimate circular mechanical duct sealing system available in 100mm, 125mm, 150mm, and 200mm sizes. These circular cable transits offer an off-the-shelf universal solution for correctly sealing cable ducts with pipes and cables, ensuring maximum protection across all industry sectors.

Ideal for data centres, battery energy storage sites, renewable energy installations, and ducts with running water issues, our re-enterable mechanical duct seals provide enduring protection against water, gas, and rodent intrusion. Easy to install—even in damp environments—thanks to Kraso's patented torque control nut (no torque wrench required), they withstand pressures up to 2.5 bar (25 metres of water) and resist toxic gases and hydrocarbons.