VTCON Fire Protection
July 29, 2026
Overview
The VTCON Vertical Type Indicator Post is installed above a buried non-rising stem gate valve to provide remote operation and clear OPEN/SHUT indication.
The connecting rod is adjusted and cut according to the gate-valve burial depth. The post flange then connects to the post flange of the gate valve.
Confirm the valve size, burial depth and operating-nut interface before order.
Key Features
• Remote operation of buried NRS gate valves
• OPEN/SHUT visual indication
• Adjustable connecting rod
• Adjustable buried length: 570–1500 mm
• Suitable for 4–12-inch gate valves
• UL / CUL / FM approved range
Technical Specifications
| Items | Specification |
|---|---|
| VTCON Model | VT-IP-VERT |
| Original Model | ZSQ |
| Product | Vertical Type Indicator Post |
| Approvals | UL / CUL / FM |
| Design Standard | UL 789 / ULC-ORD-C789 / FM 1110 |
| Items | Specification |
|---|---|
| Valve Size Range | 4–12 in |
| Adjustable Buried Length | 570–1500 mm |
| Driving Rod | Stainless steel 304 |
| Application | Buried NRS gate-valve operation |
Product Structure & Dimensions

Vertical Type Indicator Post Structure & Dimensions
| Valve Size | H Min 200 PSI (mm) | H Max 200 PSI (mm) | H Min 300 PSI (mm) | H Max 300 PSI (mm) |
|---|---|---|---|---|
| 4 in | 850 | 1780 | 825 | 1755 |
| 5 in | 880 | 1810 | 890 | 1820 |
| 6 in | 917 | 1847 | 935 | 1865 |
| 8 in | 1022 | 1952 | 1025 | 1955 |
| 10 in | 1115 | 2045 | 1108 | 2038 |
| 12 in | 1204 | 2134 | 1208 | 2138 |
Dimensions are for reference only. Please contact VTCON for detailed drawings and project requirements.
Applications
Fire sprinkler branch piping
Main pipe outlet connection
Commercial building fire protection
Industrial fire protection piping
Water-based fire suppression systems
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