Galvanized GI Collar FPT x FPT

Professional Galvanized Iron Female x Female Coupling/Collar Fittings

Galvanized GI Collar FPT x FPT – Industrial-grade galvanized iron collar fittings with female NPT threads on both ends, designed for joining and extending pipe runs in water supply, gas, and industrial piping systems with superior corrosion resistance and durability.

Key Benefits

• Galvanized iron construction
• Superior corrosion resistance
• Female x female threading
• Straight-through connection
• High pressure capability
• Industrial strength
• Long service life
• Easy installation
• Cost effective
• Versatile applications

Technical Specifications

• Material: Galvanized iron (GI)
• Connection: Female NPT x Female NPT
• Configuration: Straight coupling
• Pressure Rating: 150-300 PSI (varies by size)
• Temperature Range: -20°F to 400°F
• Thread Standard: NPT (National Pipe Thread)
• Coating: Hot-dip galvanized
• Standard: ASTM A197
• Color: Silver/Gray galvanized finish

Available Sizes

• 1/4″ FPT x 1/4″ FPT
• 3/8″ FPT x 3/8″ FPT
• 1/2″ FPT x 1/2″ FPT
• 3/4″ FPT x 3/4″ FPT
• 1″ FPT x 1″ FPT
• 1-1/2″ FPT x 1-1/2″ FPT
• 2″ FPT x 2″ FPT

Perfect For

• Water supply systems
• Gas line installations
• Industrial piping
• Fire protection systems
• Steam applications
• Compressed air systems
• Chemical processing
• Commercial plumbing
• Pipe extensions
• System repairs

Key Features

• Female Threading: Both ends accept male threaded pipes/fittings
• Galvanized Coating: Hot-dip galvanized for maximum corrosion protection
• High Temperature: Suitable for steam and high-temperature applications
• Pressure Rated: Heavy-duty construction for high-pressure systems
• Universal Compatibility: Standard NPT threading fits all pipe systems

Application Instructions

1. Clean both female threads thoroughly
2. Apply quality pipe thread sealant to male pipe ends
3. Thread first pipe connection hand tight
4. Thread second pipe connection hand tight
5. Use pipe wrenches for final tightening
6. Support coupling to prevent stress
7. Test system for leaks
8. Apply additional sealant if needed

Pro Tips

• Use high-quality thread sealant or tape
• Support heavy galvanized fittings
• Don’t over-tighten to avoid cracking
• Check threads for damage before installation
• Use proper pipe wrenches to avoid marring
• Plan for thermal expansion in steam systems
• Ideal for extending pipe runs
• Regular inspection for corrosion

Keywords: galvanized collar, GI collar, female collar, galvanized coupling, galvanized iron collar fitting, threaded collar, industrial collar, pipe collar, extension collar