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Langyi PU Twin-Wheel Medical Casters are designed for medical equipment, diagnostic carts and mobile healthcare devices that require flexible maneuverability, reliable positioning and convenient installation.
Available in 2.5-inch, 3-inch and 4-inch sizes, these casters combine a dual-wheel structure, high-density polyurethane (PU) wheels, precision ball bearings and a threaded stem mounting system.
The twin-wheel configuration allows the caster to change direction smoothly, making it suitable for mobile equipment frequently repositioned in hospital departments, clinics, laboratories and other healthcare facilities.
An integrated foot-operated brake helps keep equipment stationary when required, providing greater control during daily medical and service operations.
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Unlike conventional single-wheel casters, twin-wheel casters feature two wheels within one caster assembly.
This configuration provides several practical advantages for mobile medical equipment:
Improved maneuverability during directional changes
Flexible movement in confined spaces
A wider wheel contact arrangement
Convenient positioning of mobile equipment
Suitable for carts and equipment requiring frequent repositioning
The dual-wheel design is particularly useful in healthcare environments where equipment needs to move through corridors, treatment rooms and spaces with limited turning clearance.
The wheels are made of high-density polyurethane (PU), a material commonly used in medical and industrial caster applications.
PU wheels offer a practical balance of wear resistance, load handling and rolling performance.
Key characteristics include:
Good abrasion resistance
Reliable rolling performance
Good load-bearing capability
Resistance to everyday wear
Suitable for frequent indoor equipment movement
The PU wheel configuration makes this series suitable for medical carts, diagnostic equipment and other mobile devices that require regular movement.
The caster incorporates precision ball-bearing components to support smooth rolling and swivel movement.
This helps operators reposition medical equipment with greater ease, particularly when carts need to change direction frequently.
Bearing quality is an important consideration for medical equipment casters because it influences movement consistency and the effort required to maneuver loaded equipment.
The integrated foot-operated brake allows users to secure the caster when the equipment needs to remain stationary.
This feature is useful when medical staff need to position equipment before performing examinations, preparing supplies or carrying out routine procedures.
The brake can help reduce unintended wheel movement during normal equipment use.
The exact locking configuration should be confirmed according to the selected model.
The threaded stem provides a direct mounting connection for compatible medical equipment frames and bases.
Compared with plate-mounted casters, this structure is suitable for equipment designed with threaded mounting points.
The stem configuration allows manufacturers to integrate casters into equipment legs and supporting structures without requiring a large mounting plate.
Before ordering, buyers should confirm the required stem diameter, thread pitch and stem length.
| Specification | Details |
|---|---|
| Product Type | PU Twin-Wheel Medical Caster |
| Caster Structure | Twin-Wheel Swivel |
| Wheel Material | High-Density Polyurethane (PU) |
| Available Sizes | 2.5" / 3" / 4" |
| Mounting Type | Threaded Stem |
| Bearing Type | Precision Ball Bearings |
| Brake System | Foot-Operated Brake |
| Surface Finish | Chrome-Plated |
| Load Capacity | 150 / 220 / 300 lbs |
| Application | Medical Equipment, Diagnostic Carts & Healthcare Trolleys |
| Customization | Stem Length, Color and Load Requirements |
Load capacities and dimensions should be confirmed against the final product configuration before ordering.
This twin-wheel medical caster series is available in three sizes to accommodate different equipment dimensions and load requirements.
| Wheel Diameter | Load Capacity per Caster | Approx. Metric Capacity |
|---|---|---|
| 2.5 Inch | 150 lbs | 68 kg |
| 3 Inch | 220 lbs | 100 kg |
| 4 Inch | 300 lbs | 136 kg |
The 2.5-inch model is suitable for compact mobile medical equipment and smaller healthcare carts.
Its smaller wheel diameter helps maintain a relatively low installation height while providing the maneuverability of a twin-wheel configuration.
Rated load capacity: 150 lbs per caster.
The 3-inch model provides a balance between wheel size, installation height and load capacity.
It can be considered for medical service carts, diagnostic equipment and mobile healthcare devices that require regular repositioning.
Rated load capacity: 220 lbs per caster.
The 4-inch model provides the highest rated capacity in this series.
Its larger wheel diameter is suitable for equipment requiring greater load support and easier movement across minor floor irregularities.
Rated load capacity: 300 lbs per caster.
Actual equipment load calculations should consider the number of installed casters, load distribution and operating conditions.
Medical equipment often needs to be repositioned within limited working spaces.
For example, a diagnostic cart may need to move around examination beds, pass through narrow corridors or be positioned beside medical workstations.
In these situations, caster maneuverability becomes an important part of equipment design.
Twin-wheel casters offer a practical solution because their dual-wheel configuration supports flexible directional changes.
They are particularly useful for:
Medical equipment carts
Diagnostic equipment stands
Mobile computer carts
Healthcare service trolleys
Laboratory equipment
Medical supply carts
The appropriate caster should be selected according to the equipment's total weight, mounting structure and required movement characteristics.
The threaded stem mounting structure is designed for equipment with compatible threaded connections.
This installation method is commonly used for medical furniture, mobile equipment frames and cart structures where a direct stem connection is required.
Before selecting a replacement caster, buyers should check the following:
| Mounting Specification | Information Required |
|---|---|
| Stem Diameter | Actual thread diameter |
| Thread Pitch | Thread spacing and standard |
| Stem Length | Required insertion length |
| Mounting Depth | Available installation space |
| Fixing Method | Compatible locking nut or fixing structure |
Incorrect thread dimensions may prevent proper installation even when the wheel diameter is correct.
For replacement projects, customers can provide the original caster sample, mounting drawing or detailed measurements for compatibility checking.
The twin-wheel structure helps medical carts move and turn through hospital departments and clinical working areas.
The foot-operated brake provides positioning control when the cart needs to remain stationary.
Suitable for compatible mobile diagnostic devices, including ultrasound equipment, portable testing systems and laboratory analyzers.
The swivel structure helps technicians reposition equipment according to examination and testing requirements.
Medical supply carts are frequently moved between storage areas, treatment rooms and service stations.
PU twin-wheel casters provide a practical mobility solution for these applications.
Mobile computer carts and medical workstation equipment often require flexible movement in limited spaces.
The twin-wheel configuration helps improve maneuverability during repositioning.
For compatible mobile laboratory equipment, precision bearings and PU wheels provide a practical combination of movement performance and load support.
These casters can also be considered for compatible medical cabinets, service furniture and other mobile healthcare products.
When selecting casters for medical equipment, buyers should consider whether a single-wheel or twin-wheel configuration is more suitable.
| Comparison | Twin-Wheel Casters | Single-Wheel Casters |
|---|---|---|
| Wheel Structure | Two wheels in one assembly | One wheel per assembly |
| Maneuverability | Designed for flexible directional changes | Depends on wheel and swivel design |
| Installation | Requires compatible mounting space | Available in various mounting styles |
| Typical Equipment | Medical carts, diagnostic devices, mobile stands | General medical furniture and equipment |
| Wheel Material | PU and other options depending on model | Multiple material options |
Twin-wheel casters are particularly worth considering when directional flexibility and compact equipment integration are important.
Medical equipment needs to be mobile during transportation but stable during use.
The foot-operated brake helps secure the wheel after the equipment has been moved into position.
Typical situations include:
Positioning diagnostic equipment before examinations
Keeping medical supply carts stationary during loading
Securing mobile computer stands during operation
Preventing unwanted movement of service trolleys
Maintaining equipment positioning during routine procedures
For applications requiring both wheel and swivel locking, buyers should confirm whether the selected brake model provides a total-lock function.
Choosing the correct medical caster requires consideration of the equipment structure and actual operating conditions.
Calculate the weight of the complete equipment, including its frame, accessories and other components.
Consider the maximum weight of supplies, instruments or other materials carried by the equipment.
Select 2.5-inch, 3-inch or 4-inch wheels according to the required installation height and mobility.
Confirm that the threaded stem matches the equipment's mounting interface.
Determine whether a standard wheel brake is sufficient or whether additional swivel locking is required.
Consider the floor type, movement frequency, cleaning procedures and other environmental conditions.
These factors help ensure that the selected caster matches the actual requirements of the equipment.
Different medical equipment manufacturers may have different mounting and mobility requirements.
Langyi supports customized caster solutions according to OEM project specifications.
Available customization can include:
Threaded stem length
Thread diameter and pitch
Wheel diameter
Wheel material
Caster color
Brake configuration
Load capacity requirements
Product packaging and labeling
For equipment development projects, customers can provide drawings, existing caster samples or mounting specifications for technical evaluation.
Langyi specializes in caster, trolley and material handling equipment manufacturing.
The company's product range includes medical casters, furniture casters and industrial caster solutions for different equipment requirements.
For medical equipment manufacturers and healthcare product distributors, Langyi provides different caster structures, wheel materials, mounting configurations and braking options.
This PU twin-wheel series is designed for applications where flexible maneuverability, threaded stem installation and controlled equipment positioning are important.
A twin-wheel medical caster uses two wheels within one caster assembly instead of a single wheel.
This configuration supports flexible directional changes and is commonly used on medical carts, diagnostic equipment and mobile healthcare devices.
This series is available in 2.5-inch, 3-inch and 4-inch wheel diameters.
The wheels are made of high-density polyurethane (PU), which provides good wear resistance and practical rolling performance for mobile equipment.
The currently listed capacities are:
2.5-inch: 150 lbs
3-inch: 220 lbs
4-inch: 300 lbs
These are individual caster ratings. The complete equipment load should be evaluated with an appropriate safety margin.
Yes. The series features a foot-operated brake for securing the wheel when equipment needs to remain stationary.
Please confirm the exact locking configuration when selecting a model.
Please provide the required stem diameter, thread pitch and stem length.
If replacing an existing caster, an original sample or mounting drawing can help verify compatibility.
Yes. Langyi can discuss customized stem dimensions, colors and other caster specifications according to OEM requirements.
If you are sourcing casters for medical carts, diagnostic equipment, mobile computer stands or healthcare devices, contact Langyi with your equipment requirements.
For an accurate product recommendation, please provide:
Required wheel diameter
Maximum equipment load
Thread diameter and pitch
Stem length
Brake requirement
Equipment application
Required quantity
Langyi can help evaluate a suitable 2.5–4 Inch PU Twin-Wheel Medical Caster with Threaded Stem and Brake for your equipment and OEM project.
