Overview
The VTCON Heavy Duty Flexible Coupling is designed for grooved fire protection piping systems where fast installation and dependable connection are required.
The product uses a ductile iron housing with gasket, bolts and nuts to help form a secure grooved pipe connection. It is suitable for project supply, system maintenance and pipe installation work.
Please refer to the structure drawing and dimension table from the catalogue for model selection, and contact VTCON for project-specific technical confirmation.
Key Features
• Matched with catalogue Style 1NH for clear model identification
• Ductile iron ASTM A-536 Grade 65-45-12 for strength and durability
• Working pressure: 500 PSI / 3.447 MPa / 34.47 bar
• Connection type: Grooved coupling
• Fusion bonded epoxy coated surface; optional hot-dip galvanized or other finishes available
• EPDM gasket as standard, with optional gasket materials available
• Heat-treated electro-galvanized bolts with heavy duty hexagon nuts
• Suitable for installation and maintenance of grooved piping systems
Technical Specifications
| Items | Specification |
|---|---|
| Product Name | Heavy Duty Flexible Coupling |
| Style | 1NH |
| Product Type | Grooved Couplings |
| Material | Ductile iron ASTM A-536 Grade 65-45-12 |
| Connection | Grooved coupling |
| Working Pressure | 500 PSI / 3.447 MPa / 34.47 bar |
| Surface Finish | Fusion Bonded Epoxy Coated |
| Items | Specification |
|---|---|
| Optional Finish | Hot-dip galvanized, painted color or other finish upon request |
| Standard Color | Orange red |
| Size Range | DN25–DN300 / 1"–12" |
| Gasket | EPDM standard; Nitrile NBR / Silicone / others optional |
| Bolts & Nuts | Heat-treated electro-galvanized bolts with oval neck and heavy duty hexagon nuts |
| Application | Fire protection piping systems |
| Certification | FM Approved / UL Listed |
Product Structure & Dimensions
U-Bolt Mechanical Tee Structure & Dimensions
Dimensions are for reference only. Please contact VTCON for detailed drawings and project requirements.