Description
The TB Woods 8HS is a two-piece Hytrel split sleeve insert with retaining ring, engineered specifically for use with size 8 Sure-Flex Plus flexible jaw couplers. Designed to absorb shock, dampen vibration, and accommodate misalignment in demanding HVAC and industrial drive applications, this insert is a direct-fit replacement that restores coupler performance without requiring complete assembly disassembly.
Product Overview
The 8HS insert is manufactured from Hytrel, a thermoplastic polyester elastomer known for its outstanding resilience, chemical resistance, and wide operating temperature range. The split two-piece design allows for fast, tool-free installation and replacement without disturbing connected equipment or shaft alignment — a significant advantage in tight mechanical rooms and rooftop installations.
Key Features
- Two-piece split sleeve design for easy in-place installation and replacement
- Hytrel thermoplastic elastomer construction for superior flexibility and durability
- Includes retaining ring to secure the insert within the coupler assembly
- Designed for size 8 Sure-Flex Plus jaw couplers
- Absorbs shock loads and dampens torsional vibration
- Accommodates angular, parallel, and axial misalignment
- Resistant to oils, chemicals, and a broad range of operating temperatures
- Direct OEM-compatible replacement for TB Woods Sure-Flex Plus systems
Applications
- HVAC fan and blower drives
- Pump and compressor couplings
- Industrial power transmission systems
- Cooling tower and air handling unit drives
Why Choose Hytrel Inserts?
Hytrel inserts offer a balance of flexibility and load-carrying capacity that makes them ideal for moderate to high torque applications. Compared to standard rubber inserts, Hytrel provides improved chemical and oil resistance, longer service life in harsh environments, and consistent performance across a wider temperature range — making it a preferred choice for commercial HVAC and mechanical systems.
Compatibility
- Compatible with: TB Woods Sure-Flex Plus size 8 jaw couplers
- Insert type: HS (Hytrel, split)
- Sold as a complete insert kit including retaining ring
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