List of Piping materials (copper pipes, cast iron pipes) products
- classification:Piping materials (copper pipes, cast iron pipes)
226~270 item / All 404 items
It has strong holding power, is silent, and bends flexibly.
- Piping materials (copper pipes, cast iron pipes)
Flexible tube that is rich in flexibility and lightweight.
- Piping materials (copper pipes, cast iron pipes)
Many achievements in steel pipe foundations for fences and protective barriers!
- Piping materials (copper pipes, cast iron pipes)
To prevent cutting accidents! This is where Welman is particular about processing precision!
- Piping materials (copper pipes, cast iron pipes)
Sanitary specifications with a polished finish! It has an eccentric structure that prevents liquid accumulation, making it hygienic.
- Sanitary fixtures
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (plastic pipes)
We handle a wide range of construction materials, including piping materials and residential equipment.
- Piping materials (copper pipes, cast iron pipes)
- Civil Engineering Sheet
- System kitchen
Achieving lightweight ductile materials with our proprietary technology and proposal capabilities!
- Reinforcement and repair materials
- Piping materials (copper pipes, cast iron pipes)
- Water and sewerage pipe fittings
Suitable for piping systems, headers, small heat exchangers, high-temperature trace heaters, etc.!
- Piping materials (copper pipes, cast iron pipes)
Lightweight, compact, and functional with a unique structure! Stainless steel bypass steam trap.
- Piping materials (copper pipes, cast iron pipes)
Effective for efficient use of space and reduction of equipment costs! It is a structure that consolidates three functions.
- Piping materials (copper pipes, cast iron pipes)
Primary side applicable pressure 2.0 MPa! It controls pressure at a high level.
- Piping materials (copper pipes, cast iron pipes)
Ensuring high-level safety and security! Pump relief valves that accommodate various applications.
- Piping materials (copper pipes, cast iron pipes)
For embankments such as railways, roads, and residential land! It suppresses the rise of groundwater levels during rainfall and dissipates excess pore water pressure during earthquakes, enhancing the ...
- Piping materials (copper pipes, cast iron pipes)
Introduction of high-pressure flanges for hydraulic piping for internal welding (Perfect Flange)!
- Prime movers, torque converters, hydraulic equipment, generators
- others
- Piping materials (copper pipes, cast iron pipes)
Supporting the plant business! We provide suitable materials tailored to diverse needs.
- Fittings
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (plastic pipes)
The welded part of the flange has no foreign matter accumulation, and the strength is increased by welding both the inner and outer surfaces!
- Prime movers, torque converters, hydraulic equipment, generators
- Piping materials (copper pipes, cast iron pipes)
- Fittings
By circulating before maintenance, there will be no equipment failures, ensuring a safe and reliable system!
- Prime movers, torque converters, hydraulic equipment, generators
- Piping materials (copper pipes, cast iron pipes)
- Fittings
Resolving various issues! We will introduce case studies on solving challenges with the circulation removal system!
- Prime movers, torque converters, hydraulic equipment, generators
- Piping materials (copper pipes, cast iron pipes)
- Fittings
Easy to stretch and beautifully finished! With minimal curling, it can be easily handled by one person.
- Piping materials (copper pipes, cast iron pipes)
The CO2 emissions during the manufacturing process are low, and it is also free from environmental hormones such as dioxins!
- Fittings
- Piping materials (copper pipes, cast iron pipes)
- Water and sewerage pipe fittings
Recyclable! It has excellent features such as mechanical strength and corrosion resistance.
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (plastic pipes)
- Piping and insulation
We also provide technical materials on the proper handling of flexible tubes!
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (plastic pipes)
Introduction of OEM/ODM case study "Flexible Pipe".
- Piping materials (copper pipes, cast iron pipes)
Introduction to OEM/ODM case studies for "valves, cocks, and faucets."
- Piping materials (copper pipes, cast iron pipes)
We offer four types of pipes and branch pipes! Vacuum components that are easy to attach and detach without the need for bolts and nuts.
- Piping materials (copper pipes, cast iron pipes)
We have two types available! Introducing fittings for installing on pipes and vacuum chambers such as vacuum gauges.
- Piping materials (copper pipes, cast iron pipes)
Introducing vacuum piping components for connecting different diameter fittings! No bolts or nuts required, making attachment and detachment easy.
- Piping materials (copper pipes, cast iron pipes)
Aluminum and stainless steel materials are available! Vacuum components for connecting ISO-MF fittings.
- Piping materials (copper pipes, cast iron pipes)
We also have stainless steel clamps, chain clamps, and bulkhead clamps available!
- Piping materials (copper pipes, cast iron pipes)
Two types are available: cloak clamp type and bolt type! Vacuum fittings compatible with ISO1690.
- Piping materials (copper pipes, cast iron pipes)
- Fittings
Dimensions and quality specified by JIS standards! Flanges that cover low vacuum to high vacuum ranges.
- Piping materials (copper pipes, cast iron pipes)
This is a heat exchanger used in commercial laundry dryers. It features copper tubes and aluminum fins, making it a compact and high-efficiency heat exchanger.
- Piping materials (copper pipes, cast iron pipes)
- Water and sewerage pipe fittings
Introducing a lineup of 4 types! Vacuum components capable of high-temperature baking.
- Piping materials (copper pipes, cast iron pipes)
NW closure flange for fittings! Introducing vacuum piping components compatible with nominal diameters from NW10 to NW250.
- Piping materials (copper pipes, cast iron pipes)
Introducing a lineup of 3 types! A presentation of vacuum components for various vacuum fittings according to JIS/ISO standards.
- Piping materials (copper pipes, cast iron pipes)
- Fittings
Compatible with low to high vacuum! Flexible metal hoses in accordance with JIS standards.
- Piping materials (copper pipes, cast iron pipes)
Passed the leaching test! There is little pressure loss at full opening, making it easy for the fluid to flow, and water hammer is less likely to occur.
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (copper pipes, cast iron pipes)
Using super durable plating with self-repairing functions, Super Dima! It excels in life cycle cost.
- Piping materials (copper pipes, cast iron pipes)
Introducing our partner company! The technology to "bend" what cannot be bent.
- Piping materials (copper pipes, cast iron pipes)
- Rainwater tank
We respond to customer requests regarding delivery times and costs! It is also possible to process special pipes with shapes that increase surface area.
- Heat exchanger
- Piping materials (copper pipes, cast iron pipes)
Our stainless steel casting was featured in the Industrial Technology Newspaper on May 20, 2020!
- Fittings
- Piping materials (copper pipes, cast iron pipes)

Featured in the Industrial Technology News! Customer-first manufacturing.
The technology of OEN Kogyo Co., Ltd., which consistently carries out everything from the development and design of stainless steel castings to casting, production, and processing domestically, was featured in the Industrial Technology Newspaper on May 20, 2020. Our company utilizes three casting methods: "alkali phenol casting," "shell mold casting," and "lost wax casting." We engage in prototype development and OEM product development and manufacturing domestically, while implementing mass production overseas, striving to create high-quality products.
By saving steam, you can reduce fuel costs and also decrease CO2 emissions!
- Piping materials (copper pipes, cast iron pipes)
- Piping and insulation
- Piping Equipment
A large number of 400 series standard bore ball valves and 600 series full bore ball valves are featured!
- Piping materials (copper pipes, cast iron pipes)
We provide an easy-to-understand introduction to our pipes using photos, illustrations, and graphs.
- Piping materials (copper pipes, cast iron pipes)
- Piping Equipment
- Piping and insulation