三喜工業 List of Products and Services

The stepped drill "Kokuwan" features a titanium aluminum nitride coating that provides excellent heat resistance and wear resistance, making it suitable for high-speed cutting. It is made from cobalt high-speed steel, which enhances its durability. We have conducted drilling durability tests. Please download the PDF to check the results! *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Work tools

The "flexible joint" is inserted between equipment (such as air conditioning units and blowers) and ducts, and is used to block vibrations and other disturbances from the equipment to the duct. The selection of joint materials becomes even more important depending on the usage environment and purpose (such as air volume, static pressure, shape, etc.). Our company offers a wide range of products, including "glass fiber-based," "synthetic fiber-based," and "rubber-based" options. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 <Glass Fiber-Based> ■SN-100H ■SN-110H ■SN-1005 ■SN-1070 ■SN-1171 *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "SN-100H" is a one-sided aluminum foil laminated glass cloth for general duct use. The processing method involves sewing and sealing treatment, weaving the glass fiber in a twill pattern, and bonding a 9μm thick aluminum foil on one side with a polyurethane resin-based adhesive. Additionally, it has obtained non-combustible certification with a double structure. 【Features】 ■ Glass fiber-based ■ For general duct use ■ Non-combustible material certified by the Minister of Land, Infrastructure, Transport and Tourism (NM-2490) *For more details, please refer to the catalog or feel free to contact us.

• Duct related equipment

The "SN-110H Single-Sided Aluminum Foil Laminated Glass Cloth" is a duct auxiliary material that consists of glass yarn woven in a twill pattern, with a 9μm thick aluminum foil laminated on one side using a polyurethane resin-based adhesive, doubled up with a 20μm aluminum foil inserted in between. It has received certification as a non-combustible material from the Minister of Land, Infrastructure, Transport and Tourism (Certification Number: NM-3006). *Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact your local branch or sales office. [Test Method] After heating the test specimen at 560°C for 30 minutes, a tensile strength test and a heat vibration test are conducted for 30 minutes, followed by an air leakage performance test to ensure that the leakage amount is below the specified value (5m3/nin·m2 at a pressure difference of 500Pa). *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "SN-1070 Silver Glass Cloth" is a duct accessory joint that has a coating of polyvinyl chloride resin on both sides of the glass cloth. The processing methods are sewing or welding, and the standard color is silver gray. *Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact your local branch or sales office for confirmation. 【Features】 ■ Flame retardant ■ Waterproof *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "SN-1210 Silver Glass Cloth K" is a flexible joint for duct auxiliary materials, coated with polyvinyl chloride resin on both sides of the glass cloth. It has received certification as a non-combustible material from the Minister of Land, Infrastructure, Transport and Tourism (Certification Number: NM-1860). The processing methods are sewing or welding, and the standard color is silver gray. *Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact your local branch or sales office. 【Features】 ■ Waterproof resistance ■ Kitchen ducts and general ducts ■ Certified non-combustible material by the Minister of Land, Infrastructure, Transport and Tourism *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"SN-1290 Eco Tarpaulin" is a flexible joint coated on both sides with ethylene-vinyl acetate copolymer resin on a polyester base fabric. It does not produce toxic chlorine gas during combustion, making it environmentally friendly. It has excellent cold resistance and remains soft and lightweight even at low temperatures.

• Duct related equipment

The "Handy Canvas" is a duct expansion joint designed to simplify the installation work of angle flanges and flat flanges by incorporating zinc-coated steel plates on both sides of the expansion joint. It is an expansion joint that can be easily processed into the necessary sizes and quantities at any time, and it can also be used for round ducts. We offer options for flat flanges, angle flanges, and both flat and angle flanges. 【Features】 ■ Reduces labor for installation work such as expansion joints ■ Can be easily processed into the necessary sizes and quantities at any time ■ Usable for round ducts ■ Available for flat flanges, angle flanges, and both flat and angle flanges Note: The above products may vary slightly in content depending on the branch or sales office, and some may not be available, so please contact each branch or sales office for details.

• Fittings

"Gaskets" are used for connecting ducts and for connecting ducts to equipment. They are durable, with no risk of scattering, and possess compressibility and elasticity, while also requiring low air leakage and airtightness. Therefore, the selection of gasket materials is even more important. Our company offers a wide range of products, including "rubber-based sponge," "resin-based sponge," "inorganic fiber-based," and "rubber-based" materials. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 <Rubber-based Sponge Gaskets> ■PK-13 Neo Sponge ■PK-16 Neo Seal ■PK-19 Silicone Sponge ■PK-21 NR Sponge ■PK-56 New Top Seal *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"New Top Seal" is a single-sided adhesive NBR/PVC synthetic rubber foam gasket for general ducts. It is highly flexible and elastic, has extremely low water absorption due to its individual bubbles, and excels in weather resistance and abrasion resistance. 【Features】 ■ Non-combustible material certified by the Minister of Land, Infrastructure, Transport and Tourism ■ A special synthetic rubber blend primarily composed of NBR/PVC that has been foamed ■ Rich in flexible elasticity ■ Excellent weather resistance and abrasion resistance due to individual bubbles ■ Single-sided adhesive Note: The above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact and confirm with each branch office.

• Duct related equipment

A gasket made from foamed silicone rubber and extruded membrane molding. It is rich in rebound elasticity and has excellent flame resistance, heat resistance, and cold resistance.

• Duct related equipment

The "PK-100 Butyl Rubber Sealer" is an unvulcanized tape-like sealing material made primarily of butyl rubber. It has excellent adhesion, adheres to most substrates, and offers outstanding weather resistance, airtightness, and water resistance. Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations, so please contact each branch or sales office for more details. 【Features】 ■ Adhesion ■ Weather resistance ■ Airtightness ■ Water resistance *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "PK-103・105 Super Sealer" is a tape-like sealing material made from a special synthetic rubber based on nitrile rubber and butyl rubber. It excels in heat resistance and resistance to animal and vegetable oils, and since it is unvulcanized, it also has excellent cushioning, adhesion, airtightness, and water-stopping properties. *Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact and confirm with each branch office. 【Features】 ■ Heat resistance (operating temperature: below 100℃) ■ Resistance to animal and vegetable oils ■ Unvulcanized ■ Cushioning ■ Adhesion ■ Airtightness ■ Water-stopping *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"Neurock Seal" is a gasket for air duct flanges made of rock wool finished in a felt-like texture and treated for scattering prevention. Combined with flame-retardant non-woven fabric, the needle punch processing enhances adhesion. The one-sided adhesive treatment improves workability. We offer "PK-214" for angle flanges with bolt holes and "PK-216" for corner bolt flanges. 【Features】 ■ Minister of Land, Infrastructure, Transport and Tourism certified non-combustible material (NM-4069, NM-4070) ■ Rock wool finished in a felt-like texture with scattering prevention treatment ■ Enhanced adhesion through needle punch processing combined with flame-retardant non-woven fabric ■ Excellent thermal insulation, heat retention, and fire resistance ■ Available for angle flanges and corner bolt flanges Note: The above products may vary slightly in content depending on the branch or sales office, and some may not be available. Please contact your local branch or sales office for details.

• Duct related equipment

The "PK-301 Rakucheena Seal" is a round duct thin gasket made from a blend of nitrile rubber and butyl rubber. It is highly airtight and water-resistant, making it suitable for use in "La Cucina" (kitchen). Certified non-combustible material by the Minister of Land, Infrastructure, Transport and Tourism Certification number NM-4983 【Features】 Heat resistance Cushioning Resistance to animal and vegetable oils Airtightness Water resistance Adhesiveness Flame retardancy *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our company's "sealing materials." Starting with the nitrile rubber-based air duct sealing material "Silver Sealer," we also offer products like "Modified Silicone" and "Jumbo Ace," which can be painted over unlike regular silicone-based sealing materials. We have a wide range of products that have obtained F☆☆☆☆ certification. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 <Nitrile Rubber-Based> ■ Silver Sealer ■ 3M Duct Sealer 800 <Urethane-Based> ■ High Sealer #1000 *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"Silver Sealer" is a nitrile rubber-based sealing material that complies with the Ministry of Land, Infrastructure, Transport and Tourism specifications. It has excellent adhesion to galvanized steel sheets and colored galvanized steel sheets, making it suitable for sealing the corner and fold areas of flexible duct flanges after curing. 【Features】 - Complies with Ministry of Land, Infrastructure, Transport and Tourism specifications - Excellent adhesion to galvanized steel sheets and colored galvanized steel sheets - Sealing material that addresses sick house (indoor air pollution) concerns Note: The above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. Please contact your local branch or sales office for more details.

• Duct related equipment

Our company handles duct auxiliary materials, specifically "sprays." We offer products such as "Shinto Lacquer Spray," which has obtained F☆☆☆☆ certification, as well as "Shinto Premium Rust Preventive Spray" and "Lobal Silver Spray." Additionally, we have the "3M New Duct Spray," which is a spray adhesive. Please feel free to contact us when you need assistance. 【Product Lineup】 ■ Shinto Lacquer Spray ■ Shinto Premium Rust Preventive Spray ■ Lobal Silver Spray ■ 3M New Duct Spray (Spray Adhesive) *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

Our company handles duct auxiliary materials, specifically "tape." "Air duct tape" offers a clean cut and does not require scissors. It has strong adhesive power and a flexible base material, making it usable for purposes other than duct work. We also offer "Tesa duct tape" and "aluminum tape." Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 ■ Air duct tape ■ Tesa duct tape ■ Aluminum tape ■ Vinyl tape *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"Air duct tape" is a cloth adhesive tape for spirals that can be easily cut by hand. It has strong adhesive power and flexible materials, making it suitable for duct work with good adhesion on uneven surfaces. The color is silver, and we offer two sizes: 48mm width x 25m and 48mm width x 50m. Note: The above products may vary slightly in content depending on the branch or sales office, and some may not be available. Please contact your local branch or sales office for details. [Features] - Cloth adhesive tape for spirals - Easily cut by hand - Strong adhesive power - Flexible materials - Good adhesion on uneven surfaces *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

"Outstanding Release Properties" Improved release properties allow for smooth cutting. "Outstanding Adhesive Strength and Easy Removal" Even with strong adhesive strength, it is less likely to leave residue, making it ideal for construction and painting protection. "Outstanding Usability" When cut, it produces less stringing compared to conventional products, making painting easier. "Outstanding Flexibility" Easily conforms to uneven surfaces, making it resistant to lifting and peeling.

• Waterproof tape, adhesive, drain, protective panel

Super strong repair tape that can be cut by hand‼ For repairing outdoor products, packaging, bundling, and temporary fixing.

• Waterproof tape, adhesive, drain, protective panel

We would like to introduce our "Corner Pieces." We offer models such as the "NS-11" and "NS-12," which are perfectly compatible with corner locks, as well as the "NS-102," which has a wide shape that makes it less likely to shift, and the short type "NS-5." Additionally, we also have the "NS-3" for reinforcement flanges. Please feel free to contact us if you need any assistance. 【Lineup (partial)】 ■NS-11 ■NS-12 ■NS-102 ■NS-6 *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "NS-12 type" is a corner piece that has minimal misalignment and excellent workability. It particularly matches well with our company's corner riveting machine "SKR-3." The material is zinc-coated steel sheet Galvalume SD, with a thickness of 1.6t. 【Features】 ■ Minimal misalignment ■ Excellent workability ■ Good compatibility with our corner riveting machine "SKR-3" *Please note that the above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact your local branch or sales office for confirmation. *For more information, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our "Duct Clips." The general-purpose "SC-5" prevents loosening of vertical clips with three protrusions and claws at both ends. We also have the "SC-6" for thick plates. Additionally, the duct clip installation tool "Sankei Clip Tool II" is designed to be compact and easy to handle. 【Lineup】 ■ SC-5 type ■ SUS-SC-5 type ■ PVC SC-5 type ■ SC-6 type *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The duct clips "SC-5 type" and "SC-6 type" are designed to accommodate various thicknesses of common plate ducts. Additionally, these products are designed with a structure that makes them difficult to detach. 【SC-5 type】Material Zinc-coated steel plate, Galvalume steel plate, Super Dyma, Stainless steel, PVC coating 【SC-6 type】Material Zinc-coated steel plate 【Features】 ■ The three protrusions and the claws at both ends prevent loosening of the vertical clip. ■ No special tools required! A flyer is sufficient. ■ The SC-6 type is a newly developed duct clip for thick plates. *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our "Airflow Measurement Ports." We offer a lineup including "Zinc Alloy Die-Cast with Chrome Plating (1/2PT)" and "Stainless Steel SUS (for 1/2PT threaded measuring instruments)." Additionally, we have dedicated mounting bases for round ducts, such as spiral pipes, specifically for airflow measurement ports. Please feel free to contact us when you need assistance. 【Product Overview】 <Zinc Alloy Die-Cast with Chrome Plating (1/2PT)> ■ Model Numbers ・S-1/2-25H ・S-1/2-50H ・S-25 (Adapter) ■ Material: Zinc *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

This is a product for measuring air volume, air velocity, temperature, and other parameters inside ducts.

• Duct related equipment

This is a product for installing an air flow measurement port on a round duct.

• Duct related equipment

This is an inspection door for duct chamber boxes and air conditioning units. An outward-opening type is used for negative pressure air conditioning units, while an inward-opening type is used for positive pressure air conditioning units.

• Duct related equipment

It is used when installing inspection doors and can be adjusted in height to match the thickness of the insulation material.

• Duct related equipment

We would like to introduce our "Inspection Doors." We offer "Inspection Windows for Round Ducts," as well as "SD Type" and "S Type." For negative pressure air conditioning units, we use outward-opening types, and for positive pressure air conditioning units, we use inward-opening types. The standard material is bonderized steel plate. We can also manufacture using stainless steel plate, Galvalume steel plate, Super Dima, and galvanized steel plate. We also accommodate custom sizes, so please feel free to contact us. 【Product Lineup (Partial)】 ■ Inspection Windows for Round Ducts ■ SD Type: Outward-opening type, Inward-opening type ■ S Type: Duct type *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce the "hanging fittings" that we handle. Starting with "general steel hanging fittings" for suspending ducts and piping within ceilings using shape steel and fully threaded rods (hanging bolts), we also offer "deck hanging fittings" and the easily installable "Touch One." Additionally, we have a wide variety of products available, including "angle pieces" and "Type II hanging fittings." Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 ■ General steel hanging fittings ■ Deck hanging fittings ■ Hanging reinforcement fittings (for H-shaped steel) ■ Hanging fittings for insulated flexible ducts ■ Angle pieces (Type 4 hanging fittings) *For more details, please refer to the PDF materials or feel free to contact us.

• Duct related equipment

The "Spiral Hanging Band Easy Assembly" is a duct accessory handled by Miki Industrial Co., Ltd., which is engaged in the sales and manufacturing of auxiliary materials for air conditioning equipment. No need to remove the nut, and the protrusions of the nut holder prevent loosening of the nut due to vibrations and other factors. 【Features】 ■ No need to remove the nut ■ Protrusions of the nut holder prevent loosening of the nut due to vibrations ■ Protrusions of the nut holder allow for temporary fastening of the bolt ■ Patent No. 5411838 *Please note that the above product may vary slightly in content depending on the branch or sales office, and there may be cases where it is not available. For details, please contact each branch or sales office for confirmation. *For more information, please refer to the PDF materials or feel free to contact us.

• Duct related equipment

We would like to introduce the "bands," which are auxiliary materials for ducts that we handle. We offer a variety of products, including the "round duct hanging band" primarily for spiral ducts up to 300φ, as well as the "spiral U band 32 width" that can also be used for vertical pipes, and "plate bands." The "easy spiral hanging band" is designed to simplify installation by allowing easy attachment without removing the nut, compared to conventional turnbuckle-type hanging bands, thereby reducing labor. 【Product Lineup (Partial)】 ■ Round duct hanging band (in case) ■ Spiral U band 32 width (SS zinc-plated) ■ Spiral U band 32 width (stainless steel) ■ Easy spiral hanging band assembly type ■ Spiral two-point hanging band (made of zinc-coated steel plate) *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "Round Duct Suspension Band" can be used as a suspension band for small diameter (300φ or less) spirals. It can be cut to any desired size and is a product with good workability. 【Features】 ■ Suspension band for small diameter (300φ or less) spirals ■ Can be cut to any desired size ■ Excellent workability * The above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations, so please contact each branch or sales office for details. * For more information, please refer to the PDF document or feel free to contact us.

• Duct related equipment

The "PE Flex Band" is a suspension band specifically designed for insulated flexible ducts. With a wide width of 50mm, it prevents the flexible duct from being crushed. Additionally, it can be easily cut to match the size of the flexible duct. It is easy to store after use, so it does not become disorganized and does not take up much space. 【Features】 ■ Specifically for insulated flexible ducts ■ Prevents crushing of flexible ducts ■ Can be easily cut to match the size of the flexible duct ■ Easy to store after use and does not take up space ■ Made of polyethylene Note: The above product may vary slightly in content depending on the branch or sales office, and it may not be available at all locations. For details, please contact your local branch or sales office for confirmation.

• Duct related equipment

We would like to introduce the "Bolts/Nuts" of duct auxiliary materials that we handle. We offer a lineup that includes "long nuts" and "sleeve nuts," which are also available in hot-dip galvanized versions. Additionally, we have "Tellers," which are used as reinforcements for ducts by passing a fully threaded rod through the center hole and securing it with a nut. 【Lineup (partial)】 ■ Bolts ■ Nuts ■ Long Nuts ■ Windowed Long Nuts ■ Sleeve Nuts *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our company's duct auxiliary materials, "All Thread." We offer two materials: SS (galvanized) and SUS. The quantity is 50 pieces for the standard "3/8×1000L." Please feel free to contact us when you need assistance. 【Specifications (partial)】 ■3/8×1000L ■3/8×1500L ■3/8×2000L ■3/8×3000L ■1/2×2000L *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our duct auxiliary materials, "screws/rivets." We offer "one-touch screws" for iron plates with a pointed tip, and "soft rivets" used for crimping angle flanges to ducts with specialized machinery. Additionally, "blind rivets" are used with specialized tools for fastening in places where bolts and nuts cannot be secured or where hands cannot reach, allowing for fastening in areas that cannot be welded. 【Product Lineup】 ■ One-touch screws ■ Hexagon socket (HEX) ■ Thin washers ■ Soft rivets (round head/flat head) ■ Blind rivets *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our company's duct auxiliary materials, the "Anchor." The "CT Anchor" features an internal cone design that minimizes variation during installation, allowing for uniform application on concrete surfaces. Additionally, the "GT Anchor" has a built-in plug, which allows for smaller pilot holes and excellent workability. We also offer other products, such as the "QC Anchor" for hanging applications with a clamping method, and products that combine different diameter high nuts with dome washers. 【Product Lineup (Partial)】 ■ CT Anchor ■ GT Anchor ■ Short Anchor Bucket Set ■ Bolt Anchor (BA Type) ■ Easy Eye Anchor *For more details, please refer to the PDF materials or feel free to contact us.

• Duct related equipment

We would like to introduce our company's duct auxiliary materials, "Inserts." We offer a lineup including "Plate Hangers" and "Key Stands" for lightweight frameworks and equipment, as well as "Spikers" for wooden plywood. Additionally, we have products for deck plate insulation installation and fireproof coating applications. 【Partial Lineup】 <For Deck Plates> ■ Plate Hanger ■ Key Stand ■ Deck Man *For more details, please refer to the PDF materials or feel free to contact us.

• Duct related equipment

Our company offers "square ducts" made from materials such as galvanized steel plates, stainless steel plates, Galvalume steel plates, PVC steel plates, and Super Dyma. We have a lineup that includes "straight pipes," "elbows," "rounded square pipes," and "S pipes." Additionally, we also provide several types of "square flanges," such as "angle flanges," "reinforcement flanges," and "top reinforcement." Please feel free to contact us when you need assistance. 【Square Duct Lineup】 ■ Straight Pipe ■ Elbow ■ Rounded Square Pipe ■ Irregular Pipe ■ S Pipe *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our duct material, the "Chamber." We offer options such as "Chamber for Anemometers (Square)" and "Chamber for Registers," and we can also manufacture with outer steel plates and inner GW lining. Additionally, we can produce "Soundproof Elbows" in dimensions other than the standard R size. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 ■ Chamber for Anemometers (Square) ■ Chamber for Registers (Square) ■ Chamber for Pankarlouvers ■ Chamber for Line Diffusers ■ For System Ceilings ■ Steel Plate Chamber for Registers (Pentagonal Box) *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment

We would like to introduce our "Spiral Ducts." We offer a variety of materials including "galvanized steel," "stainless steel," "PVC-coated steel," and "galvalume steel," with sizes available from 100φ to 600φ. Additionally, we have a wide range of "fittings" and "round flanges" available. Please feel free to contact us for inquiries. 【Product Lineup】 ■ Galvanized Steel Spiral Duct ■ Stainless Steel Spiral Duct ■ PVC-Coated Steel Spiral Duct ■ Galvalume Steel Spiral Duct ■ Oval Duct *For more details, please refer to the PDF document or feel free to contact us.

• Duct related equipment