When you need a reliable and fast connection solution for your piping systems, our 3 Grooved Coupling delivers exceptional performance and durability. This innovative pipe connector joins two pipes securely while offering quick installation and reliable performance across various industrial applications. Made from high-quality ductile iron or carbon steel, each product undergoes precision casting and machining processes to ensure perfect fit and long-lasting service. Whether you're working on fire protection systems, HVAC installations, or water supply networks, this coupling provides the secure connection you need with minimal installation time.

| Specification | Details |
|---|---|
| Material | Ductile Iron / Carbon Steel |
| Finish Options | Painted, Epoxy Coated, Hot-Dip Galvanized |
| Connection Type | Grooved End |
| Manufacturing Process | Casting, Machining, Surface Treatment |
| Origin | China |
Your 3 Grooved Coupling works perfectly in multiple applications:
Fire Protection Systems: Connects sprinkler pipes quickly during emergency installations. The secure grip ensures reliable water flow when it matters most.
HVAC Systems: Joins heating and cooling pipes efficiently. You can complete installations faster while maintaining system integrity.
Water Supply Networks: Provides leak-proof connections in municipal and commercial water systems. The robust design handles daily pressure variations smoothly.
Industrial Plants: Connects process piping in manufacturing facilities. You get dependable performance even in demanding environments.

Quick Installation: The grooved design allows you to connect pipes in minutes, not hours. Simply align, clamp, and tighten.
Strong Sealing: Advanced gasket technology creates watertight seals that prevent leaks and maintain system pressure.
Vibration Tolerance: The flexible design absorbs movement and vibration, protecting your entire piping system.
Corrosion Protection: Multiple finish options protect against rust and extend service life in harsh environments.
We maintain strict quality standards throughout production. Every coupling undergoes pressure testing to verify performance specifications. Our manufacturing facility follows ISO quality management protocols, ensuring consistent product quality.
Material inspection begins with incoming raw materials. We verify chemical composition and mechanical properties before production starts. During manufacturing, dimensional checks confirm proper groove geometry and fitting tolerances.
Final inspection includes visual examination and functional testing. Only couplings meeting our standards reach your facility.

Customization Expertise: We specialize in custom special-shaped parts, adapting products to your specific requirements within almost 7-15 working days.
Rapid Response: You receive pricing and technical feedback within 24-48 hours of your inquiry.
Large Inventory: Our 2,000-ton stock ensures immediate availability for standard products.
Technical Support: From 3D design verification to production progress updates, we support your project every step.
Proven Quality: Our products carry ISO9001 and CE certifications, meeting international standards.


Q: What pipe materials work with these couplings?
A: Usually compatible with steel, stainless steel, copper, and approved plastic pipes with proper grooved preparation.
Q: Can I use this coupling for gas applications?
A: These couplings are designed for water and liquid applications. Contact us for gas-specific solutions.
Q: How do I determine the correct size?
A: Match the coupling size to your pipe's outside diameter. We provide sizing assistance when needed.
Q: Do you offer custom sizes?
A: Yes, we manufacture custom dimensions and special configurations to meet your specific project requirements.
Ready to streamline your piping connections? Our technical team helps you select the right 3 Grooved Coupling for your application.
Get expert advice and competitive pricing today: sales@flaindustrial.com
Send your inquiry now and start your cooperation with our experienced team.