Description
Brass Socket Compression Fittings: The Complete Professional Guide
Introduction
Brass socket compression fittings provide a reliable, tool-free connection method for joining pipes in plumbing and hydraulic systems. These durable fittings combine dezincification-resistant brass construction with a compression mechanism that creates leak-proof seals without requiring soldering or specialized tools. Commonly used in both residential and commercial applications, they are particularly valuable for installations where disassembly may be needed or where heat cannot be applied.

Key Features
Superior Material Construction
Manufactured from CW602N dezincification-resistant brass
Corrosion-resistant for long service life
NSF/ANSI 61 certified for potable water applications
Reliable Connection System
Compression mechanism ensures leak-proof seals
Rated for working pressures up to 16 bar (PN16)
Temperature range: -20°C to 120°C
Installation Advantages
No heat or special tools required
Quick and simple installation process
Allows for future disassembly if needed
Versatile Configurations
Straight and reducing socket options
Available in standard metric and imperial sizes
Compatible with copper, brass, and some plastic pipes
Technical Specifications
Material Composition
Body: DZR brass (EN 12165 CW602N)
Compression nut: CW614N brass
Compression ring/olive: Copper or brass
Sealing washers: EPDM (where applicable)
Performance Standards
Working pressure: 16 bar at 65°C
Burst pressure: ≥48 bar
Certifications: WRAS, NSF/ANSI 61, DVGW
Common Sizes
15mm (1/2″)
22mm (3/4″)
28mm (1″)
35mm (1-1/4″)
42mm (1-1/2″)
54mm (2″)
Professional Installation Guide
Preparation Steps
Cut pipe squarely using appropriate cutter
Remove all burrs and clean pipe end thoroughly
Slide compression nut onto pipe
Position compression ring correctly (tapered end facing nut)
Assembly Process
Insert pipe fully into fitting body
Hand-tighten compression nut
Final tighten with two wrenches (typically 1-1.5 turns)
Avoid over-tightening (refer to manufacturer’s torque specs)
Quality Assurance
Verify pipe is fully inserted to depth stop
Conduct pressure test at 1.5x working pressure
Inspect for leaks after initial pressurization
Ensure proper pipe support near fitting
Maintenance & Troubleshooting
Routine Maintenance
Annual visual inspection for leaks
Check for corrosion or mineral deposits
Verify tightness in vibration-prone areas
Common Issues & Solutions
| Problem | Cause | Solution |
|---|---|---|
| Minor weeping | Insufficient tightening | Re-tighten compression nut |
| Persistent leak | Damaged compression ring | Replace compression components |
| Difficult disassembly | Corroded threads | Apply penetrating oil |
| Cracked fitting | Over-tightening | Replace entire fitting |
Conclusion
Brass socket compression fittings offer an excellent combination of durability, ease of installation, and reliable performance for joining pipes in various systems. Their dezincification-resistant brass construction ensures long-term service in demanding environments, while the compression mechanism provides a practical solution for installations requiring tool-free assembly. When properly selected and installed according to manufacturer specifications, these fittings deliver leak-free performance and easy maintenance, making them a valuable choice for professional installers and DIY applications alike. Their ability to accommodate future system modifications further enhances their practicality in modern plumbing installations.
IFAN factory started in 1993. And IFAN has workshop 120000 square meter with 610 staff. IFAN can design and produce all plumbing pipe and fitting include PPR,PVC,CPVC PPSU HDPE PEXA PEXB PERT pipe and fitting ,brass fitting, brass ball valve ,heating system , gas system , sanitary faucets and hose, In the past 30 Years, IFAN has never forgotten his mission-To protect health and safety. And IFAN factory use best materials to produce high quality pipe and fittings with automatic production line and high tech quality control machines. The most important,IFAN can guarantee that all pipes and fittings manufactured by IFAN are qualified. More information pls feel free contact us Whatsapp.
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