SEMCO® Retainers | Professional Cartridge Support Systems

Why SEMCO® Retainers Are Essential

SEMCO® retainers are critical components that deliver:

• Secure Cartridge Retention: Holds cartridges firmly during high-pressure dispensing
• 100 PSI Pressure Rating: Engineered for demanding aerospace applications
• Precise Alignment: Ensures proper cartridge positioning for consistent dispensing
• Durable Metal Construction: Long-lasting performance in industrial environments
• Gun Compatibility: Designed specifically for SEMCO® dispensing systems
• Safety Assurance: Prevents cartridge displacement during operation

Understanding Retainer Function

Critical Role in Dispensing Systems:

Retainers serve as the structural support that:

• Holds Cartridges Securely: Prevents movement during pressurized dispensing
• Maintains Alignment: Keeps cartridge properly positioned in gun body
• Distributes Pressure: Evenly transfers pneumatic pressure to cartridge
• Ensures Safety: Prevents cartridge ejection under high pressure
• Supports Weight: Bears the load of filled cartridges during operation
• Enables Efficiency: Allows quick cartridge changes without tools

Key Features & Benefits

100 PSI Pressure Rating

• Handles demanding aerospace applications
• Ensures safe operation under high pressure
• Prevents cartridge failure or displacement
• Meets industry safety standards

Professional Metal Construction

• Durable materials for long service life
• Resistant to chemicals and solvents
• Maintains structural integrity under stress
• Withstands repeated use in harsh environments

Precision Engineering

• Exact dimensional tolerances
• Perfect fit with SEMCO® cartridges
• Smooth cartridge installation and removal
• Consistent performance across applications

Full Cartridge Support

• Designed to fully support cartridge length
• Prevents cartridge flexing or bending
• Ensures even pressure distribution
• Maximizes dispensing efficiency

Seamless System Integration

• Engineered specifically for SEMCO® guns
• Compatible with complete dispensing system
• Quick cartridge changes
• No special tools required

Applications

SEMCO® retainers are essential for:

Aerospace Manufacturing:

• Fuel tank sealing operations
• Windshield installation and repair
• Structural assembly bonding
• Pressurization sealing
• Fastener hole sealing
• Fillet sealing applications

Aircraft Maintenance & Repair:

• MRO operations
• Component replacement
• Corrosion repair
• Emergency repairs
• Scheduled maintenance

Material Types:

• Polysulfide Sealants: PR-1422, PR-1440, PR-1776
• Polyurethane Sealants: PR-1770, PR-1782
• Epoxy Adhesives: Structural bonding compounds
• Specialty Sealants: Fuel-resistant, temperature-resistant
• Primers and Coatings: Surface preparation materials

Industry Applications:

• Aerospace manufacturing
• Aircraft maintenance facilities
• Defense contractors
• Industrial assembly
• Automotive applications
• Marine construction

Complete System Components

SEMCO® retainers work with the complete dispensing system:

Dispensing Guns:

• Pneumatic guns (250-A, 250-B, 350, 950)
• Medium-capacity guns (550)
• Large-capacity guns (850)
• Manual guns (870, 890)

Cartridges:

• High-density polyethylene cartridges
• All capacities from 1oz to 32oz
• Single-component and plural-component

Accessories:

• Plungers (HD and LD)
• Flange caps
• Seal caps
• Nozzles and tips
• Hose assemblies

Selection Guide

Choose Your Retainer Based On:

1. Cartridge Size: Match retainer to exact cartridge capacity
2. Gun Model: Verify compatibility with your dispensing gun
3. Application Volume: Larger cartridges for high-volume work
4. Material Type: Consider material viscosity and pressure requirements
5. Operational Needs: Balance cartridge capacity with maneuverability

Maintenance:

• Inspect retainer regularly for wear or damage
• Clean retainer between cartridge changes
• Replace if cracks, deformation, or wear detected
• Store properly when not in use

Safety Considerations

Pressure Safety:

• Never exceed 100 PSI rating
• Verify air pressure settings before operation
• Use pressure regulators for consistent control
• Monitor pressure gauges during dispensing

Operational Safety:

• Always use correct retainer for cartridge size
• Inspect retainer before each use
• Ensure cartridge is properly seated
• Wear appropriate PPE during operations
• Follow aerospace safety protocols

Maintenance Safety:

• Disconnect air supply before changing retainers
• Handle metal components carefully
• Replace damaged retainers immediately
• Keep work area clean and organized

Quality Assurance

Every SEMCO® retainer meets stringent standards:

• 100 PSI pressure rating verified
• Precision-machined to exact specifications
• Compatible with aerospace materials
• Quality-controlled manufacturing
• Engineered to industry standards

Ensure safe, reliable dispensing operations. Choose SEMCO® metal cartridge retainers engineered specifically for your dispensing gun and cartridge size. Our 100 PSI pressure-rated retainers provide the secure support essential for aerospace and industrial applications.