Overview
The VTCON Flanged x Grooved OS&Y Gate Valve (VT-GV-FG-OSY-200) is a 200 PSI ductile iron gate valve for water-based fire protection systems.
It uses a resilient wedge design with an EPDM sealing surface to support reliable shut-off and a straight-through waterway. The outside screw and yoke design provides visible stem movement for clear valve position indication.
This website model corresponds to catalogue model Z481. Use the verified dimension table from catalogue P28 and confirm certification coverage before order.
Key Features
• OS&Y resilient wedge gate valve
• Flanged x Grooved connection
• Maximum working pressure: 200 PSI
• Ductile iron body and bonnet
• EPDM resilient sealing
• Straight-through waterway
• Interior and exterior epoxy coating
• Designed for indoor and outdoor fire protection water systems
• Catalogue model and dimensions verified against the uploaded model mapping table
Technical Specifications
| Items | Specification |
|---|---|
| VTCON Model | VT-GV-FG-OSY-200 |
| Original Catalogue Model | Z481 |
| Product Name | Flanged x Grooved OS&Y Gate Valve |
| Valve Type | Resilient wedge OS&Y gate valve |
| Connection | Flanged x Grooved |
| Design Standard | ANSI / AWWA C515 |
| Face-to-Face Standard | ASME B16.10 |
| Flange Standard | ASME/ANSI B16.1 Class 125; ASME/ANSI B16.42 Class 150; BS EN 1092-2 PN16; GB/T 9113.1 |
| Items | Specification |
|---|---|
| Groove Standard | ANSI/AWWA C606 or metric groove standard |
| Maximum Working Pressure | 200 PSI |
| Maximum Testing Pressure | 400 PSI |
| Working Temperature | 0–80°C / 32–176°F |
| Body | Ductile iron |
| Disc | Ductile iron with EPDM resilient sealing |
| Coating | Epoxy coating or coating upon request |
| Size Range | 2"–12" / DN50–DN300 |
| Approvals | UL / CUL / FM and NSF/ANSI 61 & 372 shown for the range |
Product Structure & Dimensions

22.5° Elbow Structure & Dimensions
| Size (in) | DN | L (mm) | H (mm) | Flange D (mm) | Pipe O.D. (mm) | Groove E (mm) | F (mm) | G (mm) |
|---|---|---|---|---|---|---|---|---|
| 2 | 50 | 178 | 313 | 152 | 60.3 | 57.2 | 15.9 | 7.9 |
| 2-1/2 | 65 | 190 | 340 | 178 | 76.1 | 72.3 | 15.9 | 7.9 |
| 3 | 80 | 203 | 387 | 191 | 88.9 | 84.9 | 15.9 | 7.9 |
| 4 | 100 | 229 | 440 | 229 | 114.3 | 110.1 | 15.9 | 9.5 |
| 5 | 125 | 254 | 546 | 254 | 141.3 | 137 | 15.9 | 9.5 |
| 6 | 150 | 267 | 607 | 279 | 168.3 | 163.9 | 15.9 | 9.5 |
| 8 | 200 | 292 | 786 | 343 | 219.1 | 214.4 | 19 | 11.1 |
| 10 | 250 | 330 | 946 | 406 | 273 | 268.3 | 19 | 12.7 |
| 12 | 300 | 356 | 1110 | 483 | 323.9 | 318.3 | 19 | 12.7 |
Dimensions are for reference only. Please contact VTCON for detailed drawings and project requirements.



