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Spring Balancers
Our range includes spring balancers and positioners for different tool weights, working ranges and applications, helping operators maintain better control while reducing strain and improving workplace efficiency.
From lightweight assembly tools through to heavier industrial equipment, we can help you select the right spring balancer based on the tool weight, required extension and working environment.
Spring balancers are designed to support tools and equipment at the point of use, making them easier to position while reducing the physical effort required from the operator.
Their spring mechanism maintains tension throughout the working range, allowing tools to be pulled down into position and returned when released. This makes spring balancers particularly useful for repetitive operations where tools need to remain readily accessible.
Carl Stahl Evita supplies spring balancers for industrial, workshop and assembly environments, with different capacities and working ranges available to suit different tools and applications
Whether you need to support a lightweight hand tool or equipment used repeatedly on a production line, we can help identify a suitable spring balancer for your application.
Reduced Operator Strain
Controlled Movement
Improved Tool Accessibility
Spring balancers combine controlled movement with practical tool support, helping improve ergonomics and efficiency in repetitive working environments.
Constant Spring Tension
The spring mechanism maintains tension as the tool is moved through its working range, helping provide smooth and controlled movement.
Automatic Retraction
When the tool is released, the spring mechanism returns it towards its suspended position, helping keep the working area organised.
Tool Support
By supporting the weight of the tool, spring balancers can reduce operator fatigue and make repetitive handling more comfortable.
Different Load Capacities
Models are available for different tool weights, with the required balancer selected according to the minimum and maximum load requirements.
Different Working Ranges
Available models offer different usable extension lengths to suit the distance and movement required during operation.
Different Solutions for Tool Support and Positioning
Spring balancers are available in different designs depending on whether the application requires automatic retraction, balanced tool movement or controlled positioning. Choosing the right type depends on how the tool needs to move and behave during operation.
Spring Balancers / Retractors
Spring balancers, also known as retractors, are designed to automatically return suspended tools towards their starting position after use. The retraction force increases as the cable is extended, helping keep tools suspended and the workspace clear when they are not being used. They are particularly suited to repetitive applications where tools need to be readily accessible but should automatically move out of the way when released.
Zero-Gravity Balancers
Zero-gravity balancers are designed to compensate for the weight of the suspended tool, allowing it to be moved with minimal effort and held at different positions. Their constant retraction force helps maintain the load in the selected position rather than automatically pulling it back to its starting point. This makes them particularly useful for precision assembly and applications where operators need to guide tools smoothly and accurately.
Positioners
Positioners are designed for applications where a tool or piece of equipment needs to be held at a defined working position or height. They provide controlled positioning and are useful where repeatable tool placement is important during assembly and production operations
Specialist Configurations
Specialist versions are also available for particular working environments and requirements, including stainless-steel designs, hose balancers, ESD applications and ATEX versions. The appropriate configuration can be selected according to the tool, operating environment and installation requirements.
Our Spring Balancers
Our current range includes Type 8228, Type 8230/8231, Type 8235/8236 and Type 8241, covering load ranges from 0.4 kg to 100 kg and cable travels from 1.6 m to 2 m. Options include models with ratchet locks and different configurations to suit the application.
Explore our spring balancers below, or contact our team for advice on selecting the right model based on your tool weight, required working range and application.
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KROMER Type 8228 Light-Duty Zero-Gravity Balancer
- 0.4 kg – 6.5 kg load ranges
- 1.6 m cable travel
- Designed for precision tool handling
- Continuously adjustable load setting
- High-strength special suspension spring
- High-strength steel cable
- Impact and abrasion-resistant housing
- Freely rotating and swivelling suspension hook
- Safety chain included as fall protection
- Spring fracture safeguard from 3.0 kg load capacity
- Lockable cable drum
- GS-certified
KROMER Type 8230 / 8231 Balancer
- 3 kg – 21 kg load ranges
- 2,000 mm cable travel
- Available as Type 8230 without ratchet lock
- Available as Type 8231 with ratchet lock
- Infinitely variable load adjustment
- High-strength steel cable
- High-strength special suspension spring
- SpringProtector helps protect against failure during load adjustment
- VarioLink freely rotating and swivelling safety hook
- Infinitely adjustable cable stop buffer
- Cable wedge allows infinite adjustment of cable length
- Spring fracture safeguard as standard
- Safety chain included for fall protection
- Electrically insulated suspension via safety hook
- GS-certified
KROMER Type 8235 / 8236 Balancer
- 15 kg – 55 kg load ranges
- 2,000 mm cable travel
- Available as Type 8235 without ratchet lock
- Available as Type 8236 with ratchet lock
- Infinitely variable load adjustment
- High-strength steel cable
- High-strength special suspension spring
- Chill-cast aluminium housing and cable drum
- Closed ball bearings
- Freely rotating and swivelling screw-type spring hook
- Infinitely adjustable cable stop buffer
- Spring fracture safeguard as standard
- Safety chain included for fall protection
- Integrated cable drum locking mechanism
- GS-certified
KROMER Type 8241 Balancer
- 12 kg – 100 kg load ranges
- 2,000 mm cable travel
- Available with or without manual lock
- High-strength pressure-cast aluminium housing
- High-strength pressure-cast aluminium cable drum
- High-strength, encapsulated special suspension spring
- High-strength steel cable
- Infinitely variable load adjustment
- Patented freewheel protects against spring overrotation
- Spring fracture safeguard
- Cable overload protection via extension limit stop
- Rotating and swivelling safety hook for suspension
- Safety expansion chain included for fall protection
- GS-certified
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What is a Spring Balancer?
Spring balancers are widely used in assembly, manufacturing and production environments where tools need to remain readily accessible while being easy to move and position. By supporting the tool's weight, they can reduce operator strain and help improve workplace ergonomics.
Different types of spring balancers are available depending on how the tool needs to behave during use. Retractors automatically return tools towards their starting position, while balancers are designed to compensate for the tool's weight so it can be positioned at different heights. Positioners provide controlled positioning for applications where repeatable tool placement is important.
Spring balancers can also be configured for specific working environments, including humid or hygienic areas, ESD-protected workstations, pneumatic tool applications and potentially explosive environments.
Carl Stahl Evita supplies spring balancers for a range of tool weights and applications, helping customers select a suitable solution based on the tool, working range and operating environment.
Choosing the Right Spring Balancer
Tool Weight
Working Range
Balance & Positioning
Working Environment
Retractors, Balancers and Positioners
Retractors automatically return a suspended tool or piece of equipment towards its starting position when released. They are useful for keeping tools within easy reach while maintaining an organised and unobstructed workstation.
Balancers
Balancers compensate for the weight of suspended tools or equipment, allowing them to be moved with minimal effort and held in a desired position. They are particularly suited to repetitive assembly and production work where precise tool handling is required.
Positioners
Positioners are designed to hold tools or equipment at a defined working height. They allow the position to be adjusted while providing a stable hold, making them useful where repeatable positioning is important.
Specialist Configurations
Spring balancers and related products are also available in specialist configurations for environments with particular requirements, including rust-free, hose, ATEX and ESD versions. Kromer
Typical Uses for Spring Balancers
Assembly & Production
Automotive Manufacturing
Pneumatic & Power Tools
Electronics & Precision Work
Frequently Asked Questions
1. What is a spring balancer used for?
A spring balancer supports and counterbalances the weight of a suspended tool or piece of equipment, allowing it to be moved and positioned with less physical effort. They are commonly used at production and assembly workstations.
2. What is the difference between a spring balancer and a retractor?
A spring balancer is designed to counterbalance a tool so it can be moved and held within a working area, while a retractor is designed to automatically return the tool towards its starting position after use.
3. How do I choose the right spring balancer?
The balancer should be selected according to the total weight of the suspended tool or equipment, the required cable travel and the way the tool needs to be positioned during use. The load must fall within the model’s specified load range.
4. How much weight can a spring balancer support?
Load capacities vary considerably between models. KROMER’s range includes balancers from lightweight applications through to models capable of supporting loads up to 300 kg, with the correct model depending on the required load range.
5. How much cable travel do I need?
The required cable travel depends on how far the tool needs to move during operation. The suspension point and the full working area should both be considered to ensure the operator has sufficient freedom of movement.
6. Can spring balancers be used with pneumatic and power tools?
Yes. Spring balancers and related products can be used to support tools and equipment at production and assembly workstations, while specialist hose balancers can also be used to help manage pneumatic tool hoses.
7. Are spring balancers available for specialist environments?
Yes. Specialist versions are available for environments with particular requirements, including ESD-protected, ATEX and corrosion-resistant or hygienic applications.
8. Can spring balancers be used for lifting loads?
Spring balancers are primarily designed to support, counterbalance and position tools or equipment rather than lift or transport loads. Where an application requires an actual lifting operation, appropriate lifting equipment should be selected instead.
