SEMCO® Sem-Luer / Sem-Flex Adapters & Needles

Why Choose SEMCO® Needles & Adapters?

• Dual Technology Options – Choose between rigid Sem-Luer or flexible Sem-Flex needles
• Universal Compatibility – Fits all luer lock and luer slip connections
• Color-Coded System – International standard color coding for instant size identification
• Scratch-Free Solutions – Sem-Flex PTFE needles protect sensitive surfaces
• Professional Quality – Precision-engineered for aerospace and industrial applications
• Complete System – Adapters enable seamless integration with SEMCO cartridges

Product Technologies

🔩 Sem-Luer Needles

Rigid Stainless Steel Construction

Sem-Luer needles feature durable stainless steel, blunt-end tubing designed for precision dispensing of adhesives, sealants, and specialty chemicals.

Key Features:

• Rigid stainless steel construction for stability
• Blunt-end design prevents surface damage
• Precise gauge sizing for consistent flow control
• Chemical resistant to aerospace materials
• Autoclavable for sterilization requirements
• Reusable with proper cleaning and maintenance

Ideal Applications:

• Cyanoacrylate adhesive dispensing
• Anaerobic material application
• Aerospace sealant placement
• Precision bonding operations
• Industrial assembly processes
• General-purpose dispensing

🌊 Sem-Flex Needles

Highly Flexible PTFE Technology

Sem-Flex needles are constructed from polytetrafluorethylene (PTFE), offering exceptional flexibility and scratch-free dispensing capabilities for sensitive applications.

Key Features:

• Highly flexible PTFE construction
• Scratch-free dispensing on delicate surfaces
• Bendable for access to difficult areas
• Chemical resistant to most materials
• Non-stick properties for easy cleaning
• Ideal for sensitive substrate applications

Ideal Applications:

• Aircraft windshield and canopy bonding
• Delicate surface applications
• Composite material assembly
• Electronics encapsulation
• Medical device manufacturing
• Precision detail work in tight spaces

Application Advantages

Sem-Luer Benefits

Precision Control

• Rigid construction provides stable, controlled dispensing
• Consistent bead width and material placement
• Predictable flow characteristics

Durability

• Stainless steel withstands repeated use
• Resistant to bending and deformation
• Long service life with proper maintenance

Versatility

• Suitable for most aerospace and industrial materials
• Multiple gauge options for various viscosities
• Cost-effective for high-volume operations

Sem-Flex Benefits

Surface Protection

• PTFE construction prevents scratching delicate surfaces
• Ideal for aircraft transparencies and painted surfaces
• Non-marring application on composites

Flexibility

• Bendable tip accesses difficult angles
• Conforms to irregular surfaces
• Reaches into confined spaces

Chemical Resistance

• PTFE resists virtually all chemicals
• No material contamination
• Non-stick properties prevent clogging

Selection Guide

Choose Sem-Luer When:

• Working with standard aerospace sealants and adhesives
• Rigid needle stability is required
• Cost-effectiveness is a priority
• Dispensing medium to high viscosity materials
• Surface scratching is not a concern

Choose Sem-Flex When:

• Working on sensitive or delicate surfaces
• Flexibility is needed for access
• Scratch-free application is critical
• Dispensing on aircraft transparencies
• Working with aggressive chemicals
• Non-stick properties are beneficial

Gauge Selection:

• 14-15 Gauge → Thick sealants, higher flow rates
• 18-19 Gauge → General-purpose, medium viscosity
• 28-30 Gauge → Fine detail work, low viscosity

Professional Benefits

Operational Efficiency

Quick Identification – Color-coded hubs eliminate selection errors
Fast Changes – Luer connections enable rapid needle swaps
Reduced Waste – Precise dispensing minimizes material usage
Consistent Results – Precision manufacturing ensures repeatability

Quality Assurance

Traceability – SKU numbers support inventory control
Standardization – International color coding supports SOPs
Reliability – Aerospace-grade quality for critical applications
Documentation – Complete technical specifications available

Cost Effectiveness

Disposable Options – Eliminate cleaning and maintenance time
Reusable Sem-Luer – Stainless steel needles can be cleaned and reused
Reduced Rework – Precision application reduces errors
Inventory Efficiency – Universal compatibility reduces stock requirements

Best Practices

Needle Selection

1. Match gauge to material viscosity
2. Consider surface sensitivity (Sem-Luer vs. Sem-Flex)
3. Select length based on application access
4. Verify material compatibility

Usage Tips

• Prime needles before use to eliminate air bubbles
• Maintain consistent dispensing pressure
• Clean Sem-Luer needles immediately after use
• Replace needles showing wear or clogging
• Store needles in protective containers

Adapter Installation

• Ensure NPT threads are clean and undamaged
• Hand-tighten to avoid over-torquing
• Verify secure connection before dispensing
• Check for leaks during initial use
• Replace if threads become worn

Why SEMCO® Needles & Adapters Stand Apart

✓ Dual Technology – Rigid and flexible options for every application
✓ Universal Design – Works with all luer-compatible systems
✓ Quality Manufacturing – Precision-engineered to aerospace standards
✓ Complete System – Needles and adapters work seamlessly together
✓ Global Standard – International color coding for worldwide consistency