Global Truss GT-A-CPL-FLD50 Light Duty Swivel Coupler – 48–51mm – Silver
Create adjustable tube-to-tube connections in professional truss, lighting and production systems with the Global Truss GT-A-CPL-FLD50 Light Duty Swivel Coupler.
Designed for compatible 48–51mm diameter truss chords and pipe, the GT-A-CPL-FLD50 combines two coupler sections around an integrated swivel joint, allowing two tubes to be connected at adjustable angles rather than being locked into a fixed parallel or 90-degree configuration.
With a 100kg Working Load Limit (WLL) and polished silver finish, it is a versatile light-duty hardware option for professional applications across:
- Theatre
- Live events
- Concert production
- Festivals
- Corporate events
- Exhibitions
- Trade shows
- Film and television
- AV production
- Venue installations
- Retail displays
- Schools and performing arts centres
- Touring production
- Hire and production companies
The GT-A-CPL-FLD50 is particularly useful where two compatible 48–51mm tubes need to be joined but the connection angle may vary from one installation to another.
Adjustable Swivel Coupler for 48–51mm Tube
The GT-A-CPL-FLD50 is designed to connect:
48–51mm outside-diameter tube
including common professional 50mm truss chords and pipe systems.
Unlike a fixed double coupler, the integrated swivel joint allows the two clamp bodies to rotate relative to one another.
This provides far greater flexibility when creating:
- Angled tube connections
- Bracing arrangements
- Display structures
- Lighting support configurations
- Exhibition structures
- Temporary production frameworks
- Custom tube layouts
The required angle can be established as part of the installation rather than requiring a dedicated fixed-angle connector.
100kg Working Load Limit
Global Truss specifies the GT-A-CPL-FLD50 with a:
100kg Working Load Limit (WLL).
This makes it part of the Global Truss light-duty coupler range.
The 100kg rating should always be treated as the published maximum for the coupler and must not be exceeded.
Importantly, a 100kg WLL does not mean that every structure assembled using the coupler can automatically support 100kg.
The safe capacity of the complete system can also depend on:
- Truss or tube type
- Tube wall thickness
- Connection geometry
- Load direction
- Number of connection points
- Other clamps and couplers
- Supporting structure
- Dynamic loading
- Installation method
- Engineering requirements
The complete assembly should always be designed and installed within the rating of its lowest-rated component.
Light-Duty Professional Coupler
The term light duty is important.
Global Truss offers couplers across different load classes, and the GT-A-CPL-FLD50 is specifically the 100kg light-duty swivel model.
It is well suited to applications where:
- A heavy-duty swivel coupler is unnecessary
- Total loads remain comfortably within the rated system capacity
- Compact professional hardware is preferred
- Adjustable tube angles are required
For higher-load applications, select a Global Truss coupler with the appropriate higher WLL rather than treating the GT-A-CPL-FLD50 as a general-purpose heavy-duty rigging component.
Two-Tube Connection
The GT-A-CPL-FLD50 is fundamentally a:
Tube-to-tube swivel coupler.
Its purpose is to join two compatible round tubes or truss chords.
This distinction is important because it is not simply a conventional half coupler for bolting one lighting fixture directly to truss.
Instead, the two complete clamp sections allow one piece of compatible tube to be mechanically connected to another.
Typical configurations may include:
- Truss-to-pipe
- Pipe-to-pipe
- Tube-to-tube
- Compatible truss-chord-to-tube connections
where the complete installation has been appropriately designed.
Integrated Swivel Joint
The centre of the coupler incorporates a swivel connection.
This allows the two clamp halves to rotate relative to each other so the connected tubes can meet at different angles.
This makes it useful where:
- The installation is not perfectly square
- Angled bracing is required
- Tube positions change between jobs
- Exhibition layouts vary
- Decorative structures require non-standard angles
- Production systems need adaptable hardware
Instead of carrying multiple fixed-angle double couplers, one swivel design provides significantly more positioning flexibility.
Ideal for Custom Production Layouts
Live production rarely happens in perfectly predictable spaces.
Temporary systems may need to work around:
- Venue architecture
- Existing rigging points
- Scenic structures
- Screens
- Lighting positions
- Set pieces
- Exhibition stands
- Audience layouts
- Camera positions
A swivel coupler gives technicians additional flexibility when compatible tube systems need to be joined at a practical angle.
Compatible with Common 50mm Production Tube
Although commonly described as a 50mm coupler, Global Truss specifies the product type for:
48–51mm diameter tube.
This allows it to accommodate the dimensional range commonly encountered across compatible professional truss and pipe systems.
Always measure or confirm the actual outside diameter of the tube before use.
Do not assume compatibility purely because a structure is informally described as “truss” or “scaffold”.
Theatre Applications
Theatre technical departments regularly create temporary and semi-permanent production arrangements around:
- Lighting
- Scenic elements
- Masking
- AV equipment
- Technical infrastructure
The GT-A-CPL-FLD50 can be useful where compatible 48–51mm tube needs to be connected at an adjustable angle.
Potential applications can include appropriately designed:
- Lighting support frameworks
- Scenic support systems
- Technical tube structures
- Temporary bracing
- Display arrangements
Any overhead or load-bearing use must remain within the engineered limits of the complete system.
Live Events and Concert Production
Touring and event production often requires hardware that can adapt from one venue to another.
A swivel coupler provides useful flexibility for:
- Temporary support frameworks
- Custom production structures
- Technical tube arrangements
- Lightweight display systems
- Lighting-related infrastructure
Because the angle is not permanently fixed, the same hardware can be reused in different configurations across multiple jobs.
Festivals
Festival sites frequently require production hardware that can accommodate:
- Uneven layouts
- Temporary structures
- Custom technical positions
- Signage
- Lighting systems
- Production infrastructure
Where compatible 48–51mm tube is being used and the loads remain within the designed system capacity, a swivel coupler can provide a practical connection between tubes positioned at different angles.
Exhibition and Trade Show Systems
Exhibition environments are one of the strongest applications for light-duty swivel hardware.
Temporary display structures frequently change between:
- Venues
- Stand layouts
- Booth sizes
- Brands
- Campaigns
The adjustable swivel joint can help create:
- Display frameworks
- Technical overhead structures
- Signage frameworks
- Lighting supports
- Decorative tube systems
using compatible 48–51mm tube.
Corporate Events
Corporate production may require temporary technical structures for:
- Product launches
- Conferences
- Award ceremonies
- Brand activations
- Presentation environments
- Media events
The polished silver finish suits the appearance of conventional aluminium-style production truss and allows the coupler to integrate visually into exposed technical structures.
Film and Television
Film and television departments regularly use modular tube and truss systems for:
- Lighting
- Technical support
- Set infrastructure
- Temporary production builds
- Camera-adjacent technical systems
A swivel coupler can provide useful flexibility when two compatible tubes need to meet at a non-standard angle.
AV Installations
Professional AV environments can include custom tube structures used to support or position technical equipment.
The GT-A-CPL-FLD50 may form part of appropriately designed systems used around:
- Displays
- Projection
- Lighting
- Signage
- Technical equipment
The coupler itself should always be regarded as one component within the overall engineered installation.
Retail and Display Environments
Temporary and permanent display systems may use round tube structures for:
- Signage
- Brand elements
- Display lighting
- Decorative frames
- Exhibition-style structures
The adjustable angle makes the GT-A-CPL-FLD50 particularly useful where the structure is not based entirely around square connections.
Touring and Hire Inventory
Production and hire companies benefit from hardware that can perform more than one configuration.
A swivel coupler can reduce the need to stock numerous fixed-angle couplers for temporary light-duty layouts.
The same unit can potentially be redeployed across:
- Theatre
- Touring
- Exhibitions
- Corporate production
- Venues
- Film and television
provided each application remains within the approved system design and product WLL.
Polished Silver Finish
The GT-A-CPL-FLD50 is supplied with a:
Polished silver finish.
This visually complements common silver professional truss systems and exposed production hardware.
It is particularly suitable where the coupler remains visible within:
- Exhibition stands
- Corporate structures
- Theatre systems
- Retail installations
- Truss frameworks
Secure Clamp-Style Tube Engagement
Each side of the swivel coupler closes around the compatible tube.
This style of coupler distributes clamping engagement around the tube rather than relying on a small single-point contact.
Correct installation is essential.
The coupler should:
- Match the tube diameter
- Seat correctly around the tube
- Be correctly closed and tightened
- Be inspected before use
Never use the coupler where the tube is outside the specified diameter range.
Adjustable Angles – Not Fixed Angles
The GT-A-CPL-FLD50 is useful specifically because it does not impose one fixed relationship between the connected tubes.
This means technicians can create arrangements that would otherwise require:
- Multiple fixed couplers
- Custom brackets
- Different hardware for each job
The swivel connection can be positioned to suit the geometry of the particular setup.
Rigging Safety
Rigging hardware should always be selected and installed by people with the appropriate knowledge and competency for the application.
Before use:
- Confirm the product model
- Confirm the WLL
- Confirm tube diameter
- Confirm system compatibility
- Inspect the coupler
- Confirm the installation geometry
- Confirm all other system components are appropriately rated
Do not use a coupler showing:
- Cracks
- Deformation
- Damaged threads
- Missing hardware
- Excessive wear
- Evidence of impact damage
- Any condition that may compromise safe operation
Where required, remove questionable hardware from service for appropriate inspection.
The 100kg WLL Is Not a Fixture Weight Recommendation
The published 100kg WLL is a rating for the coupler.
It should not be interpreted as:
“Any 100kg item can be hung from this coupler.”
The actual allowable load in an installed system depends on the complete rigging arrangement and load path.
The coupler must never be used beyond its certified or manufacturer-specified limits.
Dynamic Loads Matter
Live production systems can experience forces beyond simple static weight.
These may result from:
- Movement
- Impact
- Wind
- Vibration
- Installation
- Equipment operation
Any system exposed to dynamic loading should be assessed accordingly rather than simply comparing the static object weight to the coupler’s WLL.
Use the Correct Load Class
Global Truss offers different coupler load classes.
The GT-A-CPL-FLD50 is the:
Light Duty – 100kg WLL
model.
Where a system requires greater capacity, choose a higher-rated Global Truss swivel coupler appropriate to the application.
Using the correct load class provides a much better solution than operating light-duty hardware close to or beyond its limit.
TÜV Engineering Documentation
Current Australian Global Truss distributor documentation lists a:
TÜV Engineering Certificate
specifically for:
GT-A-CPL-FLD50 – 50mm Light Duty 100kg Swivel Coupler.
For professional production companies, venues and technical departments, access to manufacturer/distributor engineering documentation is an important part of maintaining properly documented hardware inventory.
Where engineering paperwork is required for a specific production, always ensure that the document being relied upon matches:
- Exact product model
- Exact product generation
- Intended application
WLL vs Breaking Load
The relevant customer-facing specification for this product is:
100kg Working Load Limit (WLL).
Do not substitute an ultimate breaking load, tensile-failure value or unrelated test figure for the published WLL.
Professional users should design systems around the WLL and applicable engineering requirements, not around an assumed failure load.
Inspect Before Use
As with all reusable production hardware, inspect the coupler before deployment.
Check:
- Clamp bodies
- Swivel joint
- Fasteners
- Threads
- Closing mechanism
- Contact surfaces
Hardware subjected to touring and repeated use can experience wear or impact damage over time.
Keep Threads Clean
For reliable operation, keep the clamping and fastening components reasonably free from:
- Dirt
- Sand
- Adhesive contamination
- Paint build-up
- Corrosion
- Debris
Never modify or aggressively lubricate load-bearing rigging hardware unless the relevant manufacturer guidance permits it.
Do Not Modify Rigging Hardware
The GT-A-CPL-FLD50 should not be:
- Drilled
- Ground
- Welded
- Filed
- Bent
- Mechanically altered
to suit an installation.
Modification can invalidate the manufacturer's engineering assumptions and compromise the hardware.
Use the correct product for the required connection.
Pipe Diameter Matters
The published compatibility range is:
48–51mm O.D.
Using the coupler on tube that is too small or too large may prevent correct seating and clamping.
Always verify compatibility rather than relying solely on visual similarity.
Complete System Rating
A rigging or support system is only as strong as its relevant weakest component.
That may include:
- Couplers
- Truss
- Pipe
- Fasteners
- Suspension hardware
- Supporting structure
- Attachment points
The GT-A-CPL-FLD50’s 100kg WLL does not increase the rating of another component.
Safety Attachments for Equipment
Where lighting fixtures or other equipment require independent secondary retention under applicable industry practice, venue rules or equipment instructions, the appropriate rated safety attachment should still be used.
A swivel coupler does not replace a required fixture safety bond or secondary suspension system.
Professional Production Hardware
The GT-A-CPL-FLD50 is a useful addition to:
- Venue hardware stores
- Lighting workshops
- Production-company inventories
- Theatre technical departments
- Exhibition stock
- Touring hardware cases
- AV installation workshops
Its combination of common 48–51mm tube compatibility, adjustable geometry and a 100kg WLL makes it especially useful for light-duty systems where flexibility is more important than very high load capacity.
Product Specifications
Brand: Global Truss
Model: GT-A-CPL-FLD50
Product Type: Light Duty Swivel Coupler
Connection: Tube-to-tube swivel coupler
Tube Compatibility: 48–51mm O.D.
Nominal Tube Size: 50mm
Working Load Limit: 100kg WLL
Adjustment: Swivel / adjustable angle
Finish: Polished silver
Application Class: Light duty
Engineering Documentation: TÜV Engineering Certificate listed by the Australian Global Truss distributor
Typical Industries: Live events, theatre, concerts, festivals, exhibitions, corporate events, film and television, AV and installations
Key Features
- Genuine Global Truss hardware
- Fits compatible 48–51mm tube
- Designed around common 50mm truss and pipe systems
- Two-sided tube-to-tube connection
- Integrated swivel joint
- Adjustable connection angle
- 100kg Working Load Limit
- Light-duty professional design
- Polished silver finish
- Suitable for reusable production inventory
- TÜV engineering documentation listed for the exact model
- Useful for touring, theatre, exhibitions and installations
Why Choose a Swivel Coupler?
Choose a swivel coupler instead of a fixed coupler where:
- Tube angle needs to be adjustable
- Installations vary between events
- A non-standard angle is required
- Custom bracing or display layouts are being created
- One adaptable piece of hardware is preferable to multiple fixed-angle couplers
For permanently square or parallel arrangements, a fixed coupler may provide a simpler solution.
For changing production environments, the swivel design offers much greater flexibility.
Why Choose the GT-A-CPL-FLD50?
Choose the Global Truss GT-A-CPL-FLD50 where you need:
- 48–51mm tube compatibility
- A professional 50mm swivel coupler
- 100kg WLL
- Adjustable tube connection
- Light-duty rigging hardware
- Polished silver finish
- Reusable production hardware
- Global Truss engineering documentation
- Professional entertainment-industry suitability
It provides a practical solution for connecting compatible tubes at adjustable angles while keeping the hardware compact and suitable for professional production inventory.
Why Buy Global Truss Hardware from GigLife?
GigLife supplies professional clamps, couplers, connectors, cables, tapes, consumables and technical hardware specifically for the entertainment and production industries.
With more than 25 years of hands-on live entertainment industry experience, GigLife understands that production hardware is not simply about finding something that physically fits.
Correct selection also means understanding:
- Load ratings
- Tube dimensions
- Application
- Hardware condition
- Installation requirements
- The wider production system
Products are selected by people who work in production and understand the requirements of:
- Lighting technicians
- Riggers
- Production managers
- Theatre technicians
- Touring crews
- Production companies
- Festivals
- Venues
- Film and television departments
- AV technicians
- Exhibitions
- Corporate events
- Equipment-hire companies
- Schools and performing arts centres
Whether you are restocking a lighting workshop, building an exhibition system, maintaining touring hardware or preparing equipment for a production season, GigLife supplies professional hardware selected by people who understand how it is actually used.
Orders are dispatched from Brisbane, with Australia-wide shipping available.
GigLife is proudly by the professionals… for the professionals.
