The joint surface has a concave and convex interlocking shape! A hand hole that can be easily processed on-site.
This product is an electrical handhole manufactured with a design load set at T-25 and a concrete design standard strength of 35N/mm². The joint surfaces have a concave and convex interlocking shape, allowing for work without misalignment during construction. Additionally, waterproofing can be achieved using butyl rubber sealant or epoxy resin adhesive. Moreover, each surface is equipped with knockouts for piping, making on-site processing easy. 【Features】 ■ Inserts with protective caps are embedded in each surface ■ A drainage plug is installed at the bottom ■ In low water level areas, the drainage hole can be used, while in high water level areas, it can be sealed with a water stop bolt ■ The joint surfaces have a concave and convex interlocking shape *For more details, please download the PDF or feel free to contact us.
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【Features of the Iron Cover】 ■ By using height adjustment brackets (L-shaped brackets), subtle level gradient adjustments are possible. ■ There are various types of receiving frames and height adjustment rings, allowing for installation tailored to the situation. ■ Standard equipment includes an anti-theft chain. *For more details, please download the PDF or feel free to contact us.
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Matsusaka Kousan Co., Ltd. is a company primarily engaged in the manufacturing and sales of crushed stone, sand, ready-mixed concrete, and concrete secondary products, as well as paving construction, residential construction and sales, and computer system development. Our company operates in various sectors, including "Civil Engineering and Construction Materials Business," "Concrete Secondary Products Business," "Paving and Cutting Construction Business," "Residential Building Materials Business," "System Development Business," and "Agriculture Business," handling a wide range of materials centered around our main product, crushed stone. Please feel free to contact us.