1407 Series 5-Ply Exhaust Capsules & Expansion Joints
The Keflex™ 1407 Series 5-Ply Exhaust Capsule represents the ultimate in exhaust flexibility and performance. Designed with five thin-wall stainless steel plies, this bellows provides a low spring rate, high flexibility, and extended cycle life, making it the ideal solution for marine and heavy-duty diesel applications.
Available as bellows-only or fully welded expansion joint assemblies, the 1407 Series meets American Bureau of Shipping (ABS) design approval standards. Compatible with major engine manufacturers including Caterpillar, Cummins, John Deere, Detroit Diesel, Deutz, EMD, GM, Kubota, Mitsubishi, MTU, Sulzer, and Volvo, this series is trusted across tugs, ferries, barges, and power vessels for superior vibration control and thermal expansion management.
Features & Benefits
– 5-Ply Thin-Wall Construction – Engineered for maximum flexibility and fatigue life, providing smoother movement and reduced system stress.
– Lower Spring Rates – Minimizes vibration and back pressure while extending equipment and exhaust component longevity.
– High Cycle Durability – Multi-ply stainless steel design delivers superior resistance to fatigue, corrosion, and pressure pulsation.
– Fully Welded or Bellows-Only Options – Available as standalone bellows for OEM fabrication or complete welded assemblies ready for installation.
– Wide Range of Materials – Constructed from premium stainless steels with options for high-temperature and corrosive environments.
– ABS Design Approval – Certified by the American Bureau of Shipping (ABS) for use in marine and offshore applications.
– Direct OEM Compatibility – Designed as a replacement bellows for leading diesel engine manufacturers, including Caterpillar, Cummins, and MTU.
– Custom-Engineered Solutions – Tailored configurations, diameters, and end fittings available to meet unique exhaust system requirements.
Applications
– Generator sets
– Marine propulsion exhaust systems
– Power units and auxiliary systems
– OEM and custom diesel exhaust assemblies
– Replacement bellows for engine and vessel retrofits
Markets Served
– Marine and shipbuilding
– Offshore oil and supply vessels
– Power generation and utilities
– Transportation and heavy equipment
– OEM engine manufacturing and service centers
Need a custom flexible metal solution?
If your system requires non-standard movement, pressure, or connection configurations, Flex-Weld engineers can design and fabricate custom expansion joints, metal bellows, and flexible hose assemblies to your exact specifications. We’ll tailor materials, end fittings, ply count, and cycle life to meet your application—whether it’s HVAC, power generation, chemical processing, or aerospace.
