TENSIONING
The Spann-Box® promise
- Easy installation
- Reduced wear on drive components
- Less maintenance and longer service life
- High-quality materials
- Dynamic response behavior
- Adjustability for fine-tuning
- Compact design
- Resistance to environmental influences
Our chain tensioner top sellers
Our chain tensioners are available in numerous versions in our store. Choose between different sizes and profiles to find the right model for your chains in use.
Chain tensioner Spann-Box® TYPE 1 with arc profile
Tensioning system with reverse option
Chain tensioner Spann-Box® TYPE 2 with semi-circular profile
Large chain tensioner with reverse option
Chain tensioner Spann-Box® TYPE 1 with return profile
Tensioning system with reverse option
Chain tensioner Spann-Boy® TS with sprocket
Space-saving tensioning system for lateral mounting on the chain
Chain tensioning reimagined
The new Spann-Twist
Thanks to its hybrid design, the Spann‑Twist combines a 3D‑printed lightweight body with our proven S® material, delivering maximum stability at minimal weight as well as outstanding sliding properties.
Basics and Selection Assistance
Our portfolio is extensive and ready to meet any application. Here, you’ll find background knowledge as well as helpful guidance for selecting the right tensioning system.
Fundamentals of Tensioning Systems
Flexible tension adjustment and visual control indicator
Drive Arrangement & Mounting Position
Depending on installation space, chain/belt length, and force
Selecting the Tensioning System
Depends on the sliding profile, tracking profile, drive speed, and tensioning path
Our Belt Tensioner Top Sellers
Depending on installation requirements, our belt tensioners can be installed in a space-saving manner and feature a robust housing. Suitable for round, flat, or V-belts according to DIN 2215, they are available as Spann-Box® or Spann-Boy®.
Spann-Box® TYPE 0 as belt tensioner
Slimmest belt tensioner with roller for round belts and V-belts according to DIN 2215 or flat belts
Belt tensioner Spann-Box® TYPE 1 SR-O
Robust belt tensioner with roller, for round belts and V-belts according to DIN 2215 or flat belts
Belt tensioner Spann-Box® TYPE 1 SR-S
Robust belt tensioner with tensioning roller on the end face for round belts and V-belts according to DIN 2215 or flat belts
Spann-Boy® TS as belt tensioner
Space-saving belt tensioner with roller for round belts and V-belts according to DIN 2215 or flat belts
Looking for personal advice?
Agile project management, online collaboration in virtual teams, and short turnaround times are part of our daily work — so we can provide you with professional consultation to find the perfect tensioning system.
You know exactly what you need? Enquire directly.
We manufacture tensioning systems according to your specifications. Need a special material, custom dimensions, specific labeling, or unique packaging? We make it all possible — quickly, flexibly, and tailored to your needs!
Downloads
Any questions about our tensioning systems? We are here to help you.
Tensioning Systems for Chains and Belts
Reliable tensioning systems are essential for the smooth operation of machinery and equipment. They ensure consistent chain and belt performance, reduce wear on drive components, and help extend service life. MURTFELDT's tensioning systems are designed for demanding industrial applications, supporting process reliability and efficient machine operation.
Featuring easy installation, compact designs, and flexible adjustment options, MURTFELDT tensioning systems deliver reliable performance across a wide range of operating conditions. High-quality materials help minimize maintenance requirements, improve drive efficiency, and reduce downtime. Selected systems are also suitable for corrosive and chemically aggressive environments.
Whether for chain tensioning, belt tensioning, or specialized industrial applications, MURTFELDT provides the right tensioning system for every requirement. By improving drive performance, reducing wear, and increasing component lifespan, these solutions help companies optimize processes and achieve long-term operational efficiency.