[Rental OK] Closure Gas Check Tool [Catalog Available]

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last updated：Mar 02, 2026

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Adopted by NTT and the Ministry of Land, Infrastructure, Transport and Tourism! Closure gas check tool using dry air method [Now available for rental] *Company name will change from October 1.

NTT, various telecommunications companies, the Ministry of Land, Infrastructure, Transport and Tourism, power companies, local governments, and various wire manufacturers have a track record of adoption. 【Features】 - Significant improvement in mobility and safety due to weight reduction (approximately 15% compared to conventional models) - Easy to carry and improved workability due to the structural design - Compatible with closures from various manufacturers - Adopted by NTT, various telecommunications companies, the Ministry of Land, Infrastructure, Transport and Tourism, power meters, local governments, and various wire manufacturers. Patent number: No. 2649093, H11 year ★Notice of Company Name Change★ To further clarify our corporate image, we will change our company name from Kawamitsu Sangyo Co., Ltd. to Kawamitsu Co., Ltd. effective October 1, 2021. *Online business meetings available! Please feel free to contact us.

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basic information

For the gas flash test of underground cable connection points (closures), we have traditionally used N2 gas cylinders and other methods. However, our company has developed a gas check tool using dry air, with the concepts of being safer, more compact, and easier to operate. By reducing the weight (approximately 15% lighter than conventional models), mobility and safety have been significantly improved. The integrated structure makes it easy to carry, enhancing work efficiency. It is compatible with closures from various manufacturers. The main unit comes with a standard [No. 5 valve hose set]. The [No. 6 valve hose set] is optional, so please order it separately.