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Products

Head plate Manhole cover

Head plate

Head plate forming technology required in various fields, including chemical and food plants

We produce and sell the head plates used in various facilities, including chemical, chemicals, and food plants. Head plates are also used for boilers, underground storage tanks at gas stations, road tankers, and rail tankers. In addition, our technology is used in the light buoys essential for the safe navigation of ships. Head plate forming technologies will continue to contribute to industry growth.

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head plate

Manhole cover

Manhole covers for food and chemicals plants
Manhole covers for boilers and high-pressure vessels

We've standardized our manhole covers, essential for tanks, and achieved consistent quality, short delivery times, and low cost. Stainless steel manhole covers are widely used for storage tanks and fermentation tanks in breweries.

Download Nippon Kyohan Kogyo’s product catalogs from here
Manhole cover

Silicone rubber (natural white)Operating temperature: -30 to +150°C

The material has high heat resistance but low steam resistance (not suitable for use with water at over 100°C). It's relatively resistant to mildly acidic and alkaline solutions.

Steam-resistant silicon rubber (Bengal red color)Operating temperature: -30 to +150°C

Grade of silicon rubber with steam resistance.

EPDM (black): Ethylene propylene rubberOperating temperature: -40 to +120°C

The material has high heat resistance. It's resistant to hot water and acidic and alkaline solutions but offers very poor oil resistance. Avoid using it with foods containing fat or oil (not suitable for use with water at over 100°C).

Fluororubber FEPM (White)Operating temperature: -10 to +200°C

High-grade material with excellent heat resistance, chemical resistance, and steam resistance.