VTCON Fire Protection
July 29, 2026
Overview
The VTCON Wall Type Indicator Post is mounted on the accessible side of a wall and connects through the wall to an NRS gate valve.
The handwheel operates the valve through a connecting rod, while the indicator window shows the OPEN/SHUT position.
The current catalogue does not provide a complete dimension table. Confirm wall thickness, valve centerline, connecting-rod length and mounting dimensions with the supplier.
Key Features
• Remote operation through a wall
• OPEN/SHUT visual indication
• Handwheel operation
• Adjustable connecting rod
• Suitable for NRS gate valves
• UL / CUL / FM approved range
Technical Specifications
| Items | Specification |
|---|---|
| VTCON Model | VT-IP-WALL |
| Original Model | QSCZG |
| Product | Wall Type Indicator Post |
| Approvals | UL / CUL / FM |
| Design Standard | UL 789 / ULC-ORD-C789 / FM 1110 |
| Items | Specification |
|---|---|
| Installation | Wall-mounted |
| Application | NRS gate valve installed behind a wall |
| Driving Rod | Steel 1045 / stainless steel components according to catalogue |
| Dimensions | Supplier drawing required |
Product Structure & Dimensions

Wall Type Indicator Post Structure & Dimensions
| Required Information | Status |
|---|---|
| Wall Mounting Flange Dimensions | Supplier data required |
| Wall Thickness Range | Supplier data required |
| Connecting-Rod Adjustment Range | Supplier data required |
| Handwheel and Indicator Housing Dimensions | Supplier data required |
| Valve Operating-Nut Interface | Supplier data required |
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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