鬼頭忠兵衛商店 Company Profile

Prevent cracks in structures and uneven settlement or uplift caused by buoyancy pressure and scouring effects from infiltrated water and infiltration flow!

Features of our Weep Hole (Backflow Preventer and Flap Valve) 1. Can be used for both the bottom and side wall. 2. Easy to install as there is no need to align the product's orientation during construction. 3. The rubber valve, which is essential for water stoppage, can be replaced. 4. We manufacture longer types of weep holes according to the specified length based on concrete thickness. 5. Short delivery times due to in-house production. 6. Various types of weep holes are available to suit different applications. 7. One of the oldest companies among existing weep hole manufacturers. For details on the lineup, please see the individual product pages. ■ KMV Type: The most common weep hole (newly added diameter 30 in February 2022) ■ KMVH Type: Weep hole with socket ■ KMVS Type: Weep hole for sheets ■ KMVY Type: Weep hole for sheet piles ■ KMVA Type: Weep hole for underdrains ■ KMVC Type: Insert type weep hole ■ KMVK Type: Insert type weep hole with slope ■ KMVI Type: Driven weep hole ■ KMVM Type: Weep hole for troughs ■ KMVT Type: Weep hole for tunnels ■ KMVN Type: Weep hole with screw