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Rectangular manhole NK box manhole-NK box manhole
Rectangular manhole NK box manhole-Nippon Kogyo Co., Ltd.

Rectangular manhole NK box manhole
Nippon Kogyo Co., Ltd.


About This Product

■Easy to install

This is a box-shaped assembly manhole developed with the aim of improving workability. Since precast parts are simply assembled one after another, there is no need for skilled workers such as complicated reinforcing bar work or form work.

■High unity

Since the top and bottom plates are integrated with the side walls, it has high rigidity even when opened. Additionally, bolted connections ensure high integrity and watertightness.

■Excellent on-site response ability

It can accommodate a variety of conditions and can construct the optimal manhole for the site.

■Suitable for circular and rectangular openings

Can accommodate either circular or rectangular openings.

■Stable quality

Manufactured in a quality-controlled factory, the quality is stable and ensures sufficient strength and durability.

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    Rectangular manhole NK box manhole

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1 Models of Rectangular manhole NK box manhole

Image Part Number Price (excluding tax)
Rectangular manhole NK box manhole-Part Number-NK box manhole

NK box manhole

Available upon quote

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