Extraction arms

Comprehensive Extraction Arm Solutions

When precision matters in industrial air quality control, extraction arms provide targeted, efficient removal of harmful airborne contaminants directly at the source. Gram Clean Air offers an extensive program of spot extraction arms, where all products are designed to extract from a limited area with maximum efficiency. Our range of fume extraction arms delivers reliable performance across diverse industrial applications, from welding operations to soldering stations and light dust generation.

Our product range is particularly well-suited for welding fume extraction, vapour removal, and nuisance gases. We have emphasized that the components are ergonomically designed, user-friendly, feature long service life, and require minimal maintenance. Suction arms are available in diameters between ø50mm and ø200mm, as well as lengths between 1m and 9m, ensuring the perfect solution for any workspace configuration.

Each extraction arm in our portfolio is engineered to address specific operational requirements while maintaining the flexibility and durability demanded by modern industrial environments. Whether you need a compact flexible extraction arm for a workbench or an extended-reach system for large-scale manufacturing, our comprehensive selection ensures optimal contaminant capture at every application point.

Product Range Overview

LGF Extraction Arm

The LGF series represents our versatile solution for table and wall mounting applications. Available in total lengths of 1m and 1.5m for shorter applications, or 2-9m for extended reach requirements, these industrial extraction arms feature direct hose connection to the duct system. The construction utilizes an external bar system that reduces wear, increases airflow, and simplifies service and adjustment procedures.

Welding extraction arms in the LGF range are particularly suitable for mounting at working machines and on workbenches, with diameters ranging from ø80mm to ø200mm. Lengths from 5-9m connect via hose to the channel (not inclusive), while shorter configurations offer direct connection. The flow-technically optimized hood ensures maximum capture efficiency for welding fume extraction, light dust, and gases.

Optional features include quick coupling for extension hose compatibility, integrated spotlight and start/stop switch in the hood, and gas spring balancing for effortless positioning. This makes the LGF an ideal choice for applications requiring frequent repositioning throughout the workday.
 

RGF Extraction Arm

For applications demanding exceptional vertical motion patterns, the RGF series delivers outstanding performance. These flexible fume extraction arms can rotate freely 360° for hose relief, providing unrestricted movement across the entire workspace. Wall-mounted configurations support lengths from 2-4m with direct nipple connection to the channel, while 5-9m lengths utilize hose connections (not inclusive).

The RGF construction employs the same proven external bar system found in our LGF range, ensuring reduced wear, increased airflow, and simplified maintenance. Welding fume extractor arm configurations are suitable for welding smoke, light dust, and gases, with optional built-on fan types VT/VL for enhanced performance.

Standard extraction hoods include integrated dampers, with optional automatic action switches and spotlights available. Ceiling mounting capabilities extend up to 2 metres with full 360° rotation, making these welding exhaust arms ideal for overhead workspace configurations. Available diameters range from ø80mm to ø200mm.
 

RFF Extraction Arm

The RFF series combines the exceptional motion pattern of the RGF with fixed-mounted, powder-enamelled steel pipes for optimal flow and aesthetic appeal. These welding fume extraction arms offer the same 360° rotation for hose relief and vertical motion excellence, with wall mounting as standard.

Length options of 3-4m connect to the channel by nipple, while 5-9m configurations utilize hose connections (not inclusive). The robust construction with external bar system makes these spot extraction arms particularly suitable for demanding industrial environments where durability and consistent performance are paramount.

Diameters from ø125mm to ø200mm accommodate higher volume extraction requirements, while optional quick coupling, extraction hood enhancements, and ceiling mounting capabilities provide complete installation flexibility.

TGI Extraction Arm

Featuring an internal bar system design, the TGI series offers exceptional space-saving capabilities. These extraction arms fume removal systems can hang completely horizontal or vertical against the wall when not in use, maximizing workspace efficiency. Arm balancing via gas springs and spring balancer ensures effortless positioning across the entire range of motion.

The TGI's 360° rotation capability for hose relief, combined with its telescopic function based on a double telescopic system inclusive of spring balancer, makes it ideal for applications requiring extensive reach with minimal footprint. Available in 2m length with channel connection by nipple, or 3-7m with hose connection, the ø160mm diameter provides excellent extraction capacity for welding smoke, light dust, and gases.
 

LE Pivotal Hood System

For extraction from larger surfaces, the LE 3000-6000 pivotal hood system provides unmatched versatility. With total lengths from 3-6m and carrying capacity up to 40kg in the rotation joint, these systems excel at light grinding dust, welding smoke, and fume extraction from extended work areas.

The standard hood measures 300x1500mm with edge extraction, constructed from enamelled aluminium with integrated handle. The hood can tilt, revolve 360°, and is self-holding, balanced with gas springs for smooth operation. The PULLE extraction panel accessory provides a vertical suction panel specifically designed for LE-arm ø200mm configurations, with dismantlable front panels for easy cleaning.
 

Mounting and Installation Solutions

Our FP floor pillar systems provide stable, professional mounting solutions for all Gram extraction arm types including LGF, RGF, RFF, TGI, LE pivotal hoods, and VA swing arms. Available in 2500mm and 3000mm heights with powder-enamelled steel construction, these floor pillars eliminate the need for wall or ceiling mounting while maintaining complete system stability.

Enhanced Performance Features

Extraction arm efficiency is maximized through our flow-technically optimized hoods, which ensure optimal capture velocity while minimizing energy consumption. Flexible extraction arm positioning is achieved through precision-engineered joint systems and balancing mechanisms that maintain position under load without drift or creep.

Extraction arm maintenance requirements are minimized through our external bar system design, which provides easy access to all moving components and reduces wear on critical surfaces. Quick coupling options facilitate rapid hose changes and extensions, while integrated switches and lighting enhance operator convenience and safety.

Applications Across Industries

Our dust extraction arms and solder fume extractor nozzles and arms serve diverse industrial sectors including metal fabrication, automotive repair, electronics manufacturing, and general industrial production. Each suction arm is engineered to capture welding fumes, soldering fumes, dust, aerosols, and vapours with exceptional efficiency, protecting worker health and maintaining clean production environments.

Contact Gram Clean Air

Discover how our comprehensive range of extract arm solutions can enhance your workplace air quality and operational efficiency. Contact our technical specialists today to discuss your specific extraction requirements and receive expert guidance on system selection, configuration, and installation.

Frequently Asked Questions About Extraction Arms

What is an extraction arm and how does it work for welding fume extraction?

An extraction arm, also known as a fume extraction arm or suction arm, is a flexible mechanical device designed to capture contaminants at their source. The arm consists of articulated segments with internal ducting that connects to a central filtration system. When positioned near welding operations, soldering activities, or other emission sources, the extraction arm creates localized negative pressure to draw in welding fumes, dust, aerosols, and vapours before they disperse into the workplace environment.

The flexible extraction arm design allows operators to position the capture hood precisely where needed – typically 30-45 cm from the emission source for optimal extraction arm efficiency. Industrial extraction arms feature internal support mechanisms, often utilizing friction joints or spring-balanced systems, that maintain the arm's position during operation while allowing quick repositioning between tasks. The captured contaminants travel through the arm's ducting to filtration equipment, where particulates and gases are removed before clean air is returned to the workspace or exhausted outside.

How do I choose between different types of fume extraction arms for my application?

Selecting the appropriate extraction arm depends on several critical factors specific to your operation. For welding fume extraction applications, consider welding fume extraction arms with higher airflow capacity (typically 800-2000 m³/h) and heat-resistant materials that withstand sparks and elevated temperatures. Welding extraction arms often feature larger diameter ducting (100-200mm) to handle the volume of fumes generated during MIG, TIG, or stick welding processes.

For lighter-duty applications such as soldering or electronics work, solder fume extractor nozzles and arms with lower airflow requirements (150-500 m³/h) and smaller diameters (50-100mm) provide adequate capture while operating more quietly. Dust extraction arms require consideration of particle size and loading – abrasive or heavy dust may necessitate arms with wear-resistant internal linings.

Flexible fume extraction arms are available in various reach lengths (typically 2-5 meters) and rotation capabilities. Spot extraction arms with 360-degree rotation and multiple articulation points offer maximum flexibility for complex workstations, while fixed-position suction arms suit dedicated workstations with consistent emission points. Consider extraction arm maintenance requirements as well – quick-disconnect joints and accessible internal components reduce downtime during cleaning and service intervals.

What maintenance do extraction arms require to maintain optimal performance?

Proper extraction arm maintenance is essential for sustaining extraction arm efficiency and extending equipment lifespan. Regular inspection should occur monthly, examining the flexible extraction arm for physical damage, joint tightness, and hood integrity. The articulated joints require periodic lubrication (typically every 6-12 months depending on usage intensity) to maintain smooth positioning and prevent premature wear.

Internal duct inspection is critical for welding fume extractor arms and dust extraction arms, as particulate buildup reduces airflow and system performance. Quarterly cleaning of internal ducting prevents accumulation that can restrict flow by 20-40% over time. For welding exhaust arms exposed to heavy fume loads, more frequent cleaning may be necessary. Use appropriate cleaning tools that won't damage internal components or compromise duct integrity.

Monitor suction performance at the hood opening using airflow measurements or smoke tests. Declining capture velocity indicates filter saturation in the connected filtration system, duct blockages, or air leaks in joints and connections. Gaskets and seals should be inspected during maintenance intervals and replaced when compression set or cracking is evident. For fume extraction arms in demanding applications, maintain a spare parts inventory including replacement hoods, gaskets, and joint components to minimize downtime. Document all maintenance activities to establish baseline performance metrics and predict component replacement intervals specific to your operational conditions.

Can extraction arms effectively capture different types of contaminants from various industrial processes?

Yes, properly specified extraction arms can effectively capture welding fumes, soldering fumes, dust, aerosols, and vapours across diverse industrial applications. The key to effective capture lies in matching the extraction arm's airflow capacity, hood design, and positioning to the specific contaminant characteristics and generation rate.

Welding fume extraction arms must handle high-temperature particulates with particle sizes ranging from 0.1 to 1 micron, requiring capture velocities of 0.5-1.0 m/s at the hood face. The flexible fume extraction arm design allows positioning close to the weld point where fumes are concentrated and thermal rise aids capture. For processes generating heavier dust particles (>10 microns), such as grinding or cutting operations, dust extraction arms with higher capture velocities (1.0-1.5 m/s) and larger hood openings effectively contain settling particulates.

Aerosols and vapours present different challenges due to their dispersion characteristics. These contaminants require extraction arms with enclosed or flanged hoods that create containment zones, preventing lateral escape of low-density emissions. Soldering applications generating fine particulates and flux vapours benefit from solder fume extractor nozzles and arms with precise positioning capabilities and moderate airflow rates that capture emissions without disturbing the work process.

The effectiveness of any extraction arm system depends on proper integration with appropriate filtration technology. Industrial extraction arms should connect to filtration units matched to the specific contaminant type – HEPA filtration for fine welding fumes, activated carbon for vapours and odours, or multi-stage filtration for mixed contaminant streams.

What are the advantages of flexible extraction arms compared to fixed extraction systems?

Flexible extraction arms offer significant operational advantages over fixed extraction systems, particularly in dynamic work environments where emission sources vary in location. The primary benefit is positional adaptability – operators can quickly reposition the extract arm to maintain optimal capture distance as work progresses across different areas of a component or moves between workpieces. This flexibility ensures consistent extraction arm efficiency regardless of task variation, something fixed systems cannot achieve without moving the workpiece itself.

Welding extraction arms with flexible designs accommodate the natural movement patterns of welders, allowing the arm to follow the work without impeding access or visibility. The articulated construction of flexible extraction arms maintains position under suction forces while requiring minimal effort to reposition, improving operator acceptance and consistent use. This is particularly valuable for welding fume extraction where capture effectiveness drops dramatically when the hood is poorly positioned.

Space efficiency represents another key advantage. Spot extraction arms can be positioned out of the work area when not in use, then deployed exactly where needed. Fixed ductwork occupies permanent overhead or floor space and often compromises workspace layout. Flexible fume extraction arms integrate into existing facilities with minimal structural modifications, reducing installation costs compared to extensive fixed ductwork systems.

From a maintenance perspective, suction arms with modular construction allow component-level service without system-wide shutdown. Individual arms can be isolated, serviced, or replaced while adjacent extraction arms continue operating. The segmented design also facilitates internal cleaning access that would require ductwork disassembly in fixed systems, reducing extraction arm maintenance downtime and associated labor costs.