2" Grooved Rigid Coupling – Ductile Iron, UL/FM Approved

🔩 2" Grooved Rigid Coupling – UL/FM Approved for Fire Protection & Mechanical Systems

This 2-inch Grooved Rigid Coupling provides a strong, non-deflecting connection for grooved-end steel piping in fire suppression, HVAC, and industrial systems. Designed to keep pipe sections in fixed alignment, it’s ideal for use where zero axial or angular movement is required.

Made from ASTM A536 ductile iron with an orange enamel coating or galvanized finish, and a pre-lubricated Grade E EPDM gasket, this coupling is engineered for fast installation and long-lasting performance. It is both UL Listed and FM Approved for critical use cases.

---

⚙️ Key Features

• Size: 2" nominal pipe size (NPS)
• Pipe OD Compatibility: 2.375" (Schedule 40 steel pipe)
• Material: Ductile iron housing, ASTM A536 standard
• Gasket: EPDM rubber, pre-lubricated (Grade E)
• Finish: Orange enamel or zinc galvanized
• Certifications: UL Listed and FM Approved
• Design: Rigid connection – no flex or movement

---

📐 Specifications

• Working Pressure: Up to 500 PSI
• Temperature Range: -30°F to 230°F (EPDM gasket)
• Installation Torque: 40–60 ft-lbs (typical)

---

🧱 Why Ductile Iron?

Ductile iron is the most trusted material for mechanical and fire pipe systems:

• High strength: Resists pressure, shock, and mechanical stress
• Durability: Long service life in demanding environments
• Corrosion protection: Factory coating resists rust and wear

---

💡 Common Applications

• Fire sprinkler system mains and branch lines
• Chilled water and condenser piping
• Industrial mechanical piping networks
• Water distribution systems

Built for high-pressure systems. Trusted by fire and mechanical pros.

❓ Frequently Asked Questions

1) What size pipe does this fit?
This coupling fits 2" Schedule 40 steel pipe with a 2.375" outside diameter.

2) Can this be used in fire protection systems?
Yes — it is UL Listed and FM Approved for use in fire sprinkler and suppression piping.

3) What’s included in the box?
Each unit includes the ductile iron housing, EPDM gasket, and heavy-duty bolts — ready for install.

4) Is this coupling rigid or flexible?
Rigid. It is designed to hold pipe sections in fixed alignment without deflection or axial movement.