Water Seal Manhole for Sewage & Sponge City Pipeline Odor & Gas Blocking
A water‑seal manhole is a supporting structure for rain‑sewage, chemical industry and sponge‑city pipe networks. Its core function relies on accumulated water inside the well to form a water seal barrier. Functions Specification: 1200*1200*315*315 Water‑Seal Manhole Key Application Notes Quick Comparison An inspection manhole is only for maintenance access. A water‑seal manhole focuses on water‑sealing […]