Japan, Kurimoto
Kurimoto Spiral Duct
Product Made in Japan
Manufacturer: KURIMOTO
The spiral ducts and various joints introduced in this catalog are manufactured by making full use of the sheet metal processing technology that we have accumulated over many years. Today, it has become an indispensable part of building equipment construction. For products with a diameter of φ100 to 350 mm Some use manufacturing methods such as press and deep drawing.
Introduction
Spiral duct standard product is a hot-dip galvanized steel sheet according to JIS G 3302. In addition to this, stainless steel (SUS304), Super Dyma® (Note), galvalume steel plate, vinyl chloride steel plate, etc.
There are many types of galvanized steel sheets depending on the manufacturing method. Kurimoto spiral duct is JIS G 3302 except for special cases. It is processed with the specified “hot-dip galvanized steel sheet”. In addition, public building construction standard specifications (Ministry of Land, Infrastructure, Transport and Tourism Minister’s Secretariat) According to (supervised by the Government Repair Department), the amount of zinc-plated adhesion on the zinc iron plate used for duct materials is Z18 (180 g / m2).
Plug-in joint method
In this method, the fitting is inserted into a straight pipe, Fixed with screws (retaining measures) After that, caulking process and duct Wrap tape etc. to prevent leakage increase.
Flange joint method
The standard specifications for our flange joints are loose flanges. It is a method. Small diameter size (75-175φ) Plate flange, large diameter size (200φ or more) is un It is a guru flange. Flange collar on spiral duct Is attached and used. Flange loose It is possible to rotate and joint. This method is suitable for high pressure and places where parts are often replaced
Spiral duct hanging bracket
Spiral duct hangings are in the city Assemble the sales hanging bolt and uniband Combine and install as shown in the figure on the left. It is easy to do. In the case of large ducts, flat steel, Take it with mountain shaped steel as shown in the figure on the right. Is included.
Uniband
In Kurimoto, as a hanging band for spiral ducts Uniband is available.
Specifications
Tube diameter
The inner diameter of a straight pipe is based on the nominal diameter. The outer diameter (D’) of the joint is manufactured to be 2 to 3 mm smaller than the nominal diameter.
Tube thickness
The standard pipe thickness for spiral duct straight pipes and joints is as shown in the table below.
Plug-in length
The length of the fitting insertion part is as shown in the figure below.
Spiral duct straight pipe
Straight pipe dimension table
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