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  4. Housing type pipe fitting (groove type) Best joint for fire piping (Nihon Tsugugi Co., Ltd.)
Housing type pipe fitting (groove type) Best joint for fire piping-No.7705
Housing type pipe fitting (groove type) Best joint for fire piping-Nihon Tsugugi Co., Ltd.

Housing type pipe fitting (groove type) Best joint for fire piping
Nihon Tsugugi Co., Ltd.

About This Product

■Product overview

Piping connections include threaded connections, flange connections, and welded connections, but in addition to these, there is also groove-type connections using housing-type pipe fittings. "Best Joint" is a joint in which grooves are pre-processed at the ends of the pipes to be joined, a gasket is fitted during construction, and the grooves are fixed using a strong divided housing. "Best Joint" comes in two types: a flexible type with excellent expansion, contraction and flexibility, and a fixed type that minimizes pipe deflection and elongation. It is used as a joint for fire extinguishing piping in general buildings and skyscrapers, and is superior in workability and economy compared to conventional construction methods. Best Joint meets the technical standards of the "Standards for Metal Pipe Fittings and Valves (2008 Fire and Disaster Management Agency Notification No. 31)" certified by the Japan Fire Equipment Safety Center, and is suitable for indoor fire hydrant equipment and sprinklers. Can be used for equipment, water spray fire extinguishing equipment, foam fire extinguishing equipment, outdoor fire hydrant equipment, and connecting water pipes.

■Features

-Flexible type has excellent elasticity and flexibility, and absorbs vibration and noise. ・Fixed type minimizes expansion/contraction and flexibility. ・Excellent workability. (No skill required. The installation base is narrow. No great force is required to install the fittings.) ・It is safe because the following materials are not used during construction. - Piping repairs and updates are easy. - Ideal for prefabricated construction. - Hot dip galvanized to achieve high corrosion resistance. ・Coupling type bolts and nuts also use Disgo treatment for surface treatment in consideration of corrosion resistance.

■General name

Housing type pipe fitting (groove type)

■Abbreviation

N best, N best (G)

■Compliant standards

・Compatible with the Ministry of Land, Infrastructure, Transport and Tourism's "Public Building Work Standard Specifications (Mechanical Equipment Work Edition)" ・Registered and certified by the Japan Fire Equipment Safety Center ・Japan Metal Fitting Association standard JPF MP 006 standard product (coupling only) ・JPF MP 006《Coupling only》

■Production range

32A~300A, 50A~150A

■Scope of application

Maximum operating temperature: <Coupling> 60°C (primary rust prevention product, plated product), <Fitting> 40°C (primary rust prevention product), 60°C (plated product)

■Others

・Maximum working pressure: 40℃ or less ・Pressure: 2.0MPa {20.4kgf/cm²} or less (14MPa{14.3kgf/cm²} for flange adapters, 0.98MPa{10kgf/cm²} for sizes over 250A)

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    Housing type pipe fitting (groove type) Best joint for fire piping

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1 Models of Housing type pipe fitting (groove type) Best joint for fire piping

Image Part Number Price (excluding tax) Abbreviation Variety
Housing type pipe fitting (groove type) Best joint for fire piping-Part Number-No.7705

No.7705

Available upon quote

N Best-C

Coupling flexible type

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Nihon Tsugugi Co., Ltd.

  • Japan

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