Overview
The VTCON Reducing 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 1NR for clear model identification
• Ductile iron ASTM A-536 Grade 65-45-12 for strength and durability
• Working pressure: 300 PSI / 2.065 MPa / 20.65 bar
• Connection type: Grooved reducing 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 | Reducing Coupling |
| Style | 1NR |
| Product Type | Grooved Couplings |
| Material | Ductile iron ASTM A-536 Grade 65-45-12 |
| Connection | Grooved reducing coupling |
| Working Pressure | 300 PSI / 2.065 MPa / 20.65 bar |
| Surface Finish | Fusion Bonded Epoxy Coated |
| Optional Finish | Hot-dip galvanized, painted color or other finish upon request |
| Items | Specification |
|---|---|
| Standard Color | Orange red |
| Size Range | DN40×DN32–DN200×DN150 / 1-1/2"×1-1/4"–8"×6" |
| 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
Reducing Coupling Structure & Dimensions
Dimensions are for reference only. Please contact VTCON for detailed drawings and project requirements.
