close
Choose Your Site
Global
Social Media
| Quantity: | |
|---|---|
The Reducing Flexible Coupling is a premium pipe fitting engineered to address the critical needs of modern piping systems, especially in demanding applications like fire protection. Unlike traditional pipe connection solutions that require multiple components, this coupling integrates two key functions—seamless diameter transition and flexible performance—into a single, compact unit. Crafted from high-quality ductile iron, it delivers exceptional durability and reliability, while paired with specialized gaskets to ensure a leak-free seal even under dynamic conditions. Whether used in HVAC systems, industrial piping networks, or water treatment facilities, the Reducing Flexible Coupling simplifies system design, reduces installation complexity, and minimizes potential failure points, making it a preferred choice for engineers and contractors worldwide. Its ability to absorb vibrations and compensate for minor misalignments further enhances system integrity, ensuring long-term performance in diverse environments.
The defining feature of this Reducing Flexible Coupling is its ability to handle both diameter transitions and flexible connections without the need for additional concentric reducers or extra joints. This all-in-one design streamlines piping layouts, cuts material costs, and eliminates unnecessary leak points, making it far more efficient than traditional setups.
Equipped with precision-engineered gaskets (such as EPDM, NBR, and Fluorine), the coupling offers superior sealing performance tailored to different media and operating conditions. The robust ductile iron structure, combined with these specialized gaskets, ensures a tight seal that resists pressure fluctuations and prevents leakage, critical for applications like fire protection where reliability is non-negotiable.
Designed to mimic the vibration-dampening properties of standard flexible couplings, this product effectively absorbs vibrations from machinery and accommodates minor pipe misalignments caused by thermal expansion or ground shifts. This feature is invaluable in industrial settings, protecting the piping system from damage and extending its lifespan.
The Reducing Flexible Coupling features a user-friendly design that allows for quick on-site assembly without the need for precise component alignment. It supports a wide range of pipe sizes and is compatible with various piping materials, making it versatile for use in HVAC pipe connector applications, industrial fluid transport, and water treatment systems. Additionally, its corrosion-resistant surface treatments (such as epoxy coating and hot-dip galvanizing) ensure adaptability to harsh environments.
| Size | 1/8''-6'' | |||
| Material | malleable iron | |||
| Standard | ISO 5922/ISO 049/ISO 7-1，ISO 228 | EN 1562:1997/EN 10242:2003 | DIN 2950/1692/2999 | ANSI/ASTM A197/A197M ANSI/ASME B16.3, B16.14, B16.39 |
| Certifacate | FM/UL/CE/ABNT/SNI/SIRM/TSE/ISI | |||
| Surface Treatment | Nature Black | |||
| Hot Dip Galvanized | ||||
| Eletro Galvanized | ||||
| Work Pressures | PN25/2.5Mpa/363PSI/class150/25bar | |||
| Max Temperature | 200°C (392°F) | |||
| Tensile Strength | ≥350MPA | |||
| Elongation | ≥10% | |||
| Hardness | ≤HB150 | |||
 |  |
 |  |  |  |  |  |
| fire | oil pipeline | gas pipeline | water treatment | water Pipeline Systems | HVAC |
In fire protection systems, the Reducing Flexible Coupling is essential for connecting main lines to sprinkler branches, which often require diameter transitions. It withstands high water pressure during emergencies and accommodates minor shifts in piping, ensuring uninterrupted water flow to sprinklers and maintaining system functionality when it matters most.
Manufacturing plants, mining operations, and other industrial facilities rely on this coupling for diameter transitions in complex piping systems. It efficiently handles vibrations from heavy machinery and adapts to diverse media, including water, chemicals, and oils, ensuring safe and efficient fluid transport across the facility.
Water treatment systems demand reliable connections for pipes carrying raw water, treated water, and corrosive chemicals. The coupling’s corrosion resistance and leak-proof design make it ideal for these applications, simplifying diameter transitions in filtration and distribution networks while ensuring water quality and system efficiency.
HVAC systems often feature pipes of varying diameters for air and fluid distribution. The Reducing Flexible Coupling accommodates thermal expansion and contraction, reducing stress on the system and facilitating smooth diameter transitions. This ensures consistent heating, cooling, or ventilation performance in residential, commercial, and industrial buildings.
The coupling is designed to connect pipes of different diameters, compatible with common piping materials used in fire protection, HVAC, and industrial systems. It adheres to international size standards, ensuring compatibility with most standard pipes in the market.
Gasket selection depends on the application medium and temperature. EPDM gaskets are ideal for water, sewage, and weak acids/alkalis, while NBR gaskets work best with petroleum-based media. Fluorine gaskets are recommended for harsh acid/alkaline solutions, and SIUCON gaskets suit high-temperature applications—consult the product guidelines to match your specific needs.
While the coupling features simplified installation, we recommend professional installation for optimal performance, especially in critical systems like fire protection. Proper assembly ensures the gasket is seated correctly, and the connection is tight, preventing leaks and maximizing the coupling’s lifespan.
Yes. The Reducing Flexible Coupling is treated with corrosion-resistant surface finishes like epoxy coating and hot-dip galvanizing, making it suitable for outdoor use. It withstands exposure to weather elements, making it a reliable choice for outdoor piping systems, including municipal water treatment and outdoor HVAC setups.
