High Quality Stainless Steel Flexible Coupling - NSF UPC Certified by China Suppliers & Factory
Product Description
The Premium Cast Iron Pipe Connector, specifically designed for building drainage systems. As the demand for durable and reliable plumbing components continues to rise, our connector stands out as the ideal choice for both residential and commercial applications.
Crafted with precision engineering, our Premium Cast Iron Pipe Connector ensures a secure and leak-proof fit for cast iron pipes, which are renowned for their strength and longevity. This product is perfect for those looking to enhance their drainage systems with a robust solution that can withstand the test of time. Whether you are renovating an existing structure or constructing a new building, our connector provides the reliability you need to ensure efficient water flow and drainage.
| Size | Height (mm) | Pcs/Carton | Carton Size (mm) | Material | |
|---|---|---|---|---|---|
| mm | inch | ||||
| DN40 | 1.5" | 54 | 100 | 345*345*250 |
Stainless steel includes 301/304/316 Rubber includes natural rubber, EPDM and neoprene You can choose according to your needs |
| DN50 | 2" | 54 | 100 | 390*390*250 | |
| DN75 | 3" | 54 | 100 | 520*520*250 | |
| DN100 | 4" | 54 | 100 | 630*510*300 | |
| DN125 | 5" | 76 | 20 | 435*320*340 | |
| DN150 | 6" | 76 | 25 | 510*380*400 | |
| DN200 | 8" | 100 | 15 | 670*470*330 | |
| DN250 | 10" | 100 | 12 | 575*575*330 | |
| DN300 | 12" | 100 | 12 | 670*670*450 | |
Detailed Images
Crafted from high-quality 300 series stainless steel, our Hubless Coupling is engineered to withstand the rigors of various environments. Stainless steel is renowned for its exceptional resistance to corrosion, making it an ideal choice for applications in industries such as plumbing, HVAC, and manufacturing. This robust material not only enhances the longevity of the coupling but also ensures that it maintains its structural integrity under pressure, providing peace of mind for users.
We offer three types of rubber options: natural rubber, EPDM (Ethylene Propylene Diene Monomer), and neoprene. This variety allows customers to select the material that best suits their specific application requirements. Natural rubber is known for its excellent elasticity and resilience, making it perfect for applications that require flexibility. EPDM, on the other hand, is highly resistant to heat, ozone, and weathering, making it an ideal choice for outdoor applications. Neoprene offers a balance of durability and flexibility, making it suitable for a wide range of industrial uses. With these options, our Hubless Coupling can cater to the unique needs of every customer, ensuring optimal performance in any setting.
Related Products
Application
Introducing our state-of-the-art Hubless Couplings, designed to revolutionize the way you connect and manage your mechanical systems. These innovative couplings are specifically engineered for use in building sewer interfaces and are equally adept at handling oil, steam, and liquid hose connections on various mechanical equipment. What sets our Hubless Couplings apart is their unique design that eliminates the need for traditional hubs, allowing for a more streamlined and efficient connection. This feature not only simplifies installation but also reduces the overall weight of the assembly, making it easier to handle and install in tight spaces. The absence of hubs also minimizes the risk of wear and tear, ensuring a longer lifespan and greater reliability in demanding environments.
Packaging and Transportation
Certification
Safety and compliance are critical in any industrial application, and our hubless coupling will not disappoint. It is certified by NSF (National Sanitation Foundation), UPC (Uniform Plumbing Code), and CSA (Canadian Standards Association), ensuring it meets the highest quality and safety standards. These certifications give our customers confidence that the product they are using has been rigorously tested and approved for use in a variety of applications, including those involving drinking water.
Frequently Asked Questions
What materials are used in the construction of the Hubless Couplings?
Our couplings are manufactured using high-quality 300 series stainless steel (including 301, 304, and 316 options) for outstanding corrosion resistance. The internal sealing sleeves are available in three rubber options: natural rubber, EPDM, and neoprene.
Which rubber material option is best suited for outdoor installations?
EPDM (Ethylene Propylene Diene Monomer) rubber is highly recommended for outdoor applications because of its exceptional resistance to heat, ozone, and weathering.
What certifications do these pipe connectors hold?
Our hubless couplings are fully certified by the National Sanitation Foundation (NSF), the Uniform Plumbing Code (UPC), and the Canadian Standards Association (CSA), ensuring they comply with strict safety and quality standards.
What range of sizes do you offer for the Cast Iron Pipe Connectors?
We offer a wide range of standard sizes starting from DN40 (1.5 inches) up to DN300 (12 inches) to accommodate different building drainage and mechanical system layouts.
Are these couplings suitable for mechanical systems other than sewer lines?
Yes, in addition to building sewer interfaces, these hubless couplings are highly efficient for handling oil, steam, and liquid hose connections on various industrial mechanical equipment.



