The SSDJ-ZL-F/C-LQ Gas Safety Shut-off Valve is a high-performance industrial safety solution engineered specifically for the secure management of non-corrosive gases, including natural gas, coal gas, and liquefied petroleum gas (LPG). Designed with a precision-engineered axial flow structure, this valve ensures maximum throughput with minimal noise and pressure drop, making it an essential component for critical gas infrastructure where safety and efficiency are paramount.
Integrating advanced self-operated overpressure and under-voltage shut-off mechanisms as standard configurations, the SSDJ-ZL series provides a failsafe layer of protection for complex gas distribution systems. Its versatile top-mounted design allows for efficient online maintenance and component replacement without the need to dismantle the entire valve body, significantly reducing downtime and operational costs for industrial operators.
Detailed Parameters
| Implementation Standard | EN 14382, Q/12WQ 5192 | Nominal Pressure | Class 150 ~ Class 900 (2.0MPa - 15MPa) |
|---|---|---|---|
| Nominal Size | DN25 ~ DN400 (NPS 1" ~ NPS 16") | Connection Mode | ANSI B16.5 RF, RTJ Flange |
| Design Temperature | -29°C to 60°C / -46°C to 60°C | Shut-off Precision | ±1% (AG1), ±2.5% (AG2.5), ±5% (AG5) |
| Operating Pressure | 0.05 - 8 MPa | Applicable Media | Natural Gas, Coal Gas, LPG (Non-corrosive) |
| Flow Characteristic | Straight-through (Axial Flow) | Maintenance Design | Top-mounted for online repair |
Key Advantages
Fail-Safe Protection
Equipped with standard self-operated overpressure and under-voltage shut-off for maximum system security.
Online Maintenance
Top-mounted structure enables repair and replacement without removing the valve body from the pipeline.
High Precision
Exceptional shut-off accuracy (up to AG1 ±1%) ensures tight control over gas flow and safety.
Low Noise Flow
Axial flow design reduces turbulence and noise while maintaining a high flow rate for efficiency.
Flexible Installation
Engineered for easy installation in any position, adapting to diverse site layout requirements.
Multi-point Control
System pressure can be monitored and controlled at one or multiple points for enhanced stability.
Product Gallery
Management Platforms
Integrated Device Series
Full synchronization with integrated device systems for streamlined gas flow management.
Voltage Regulator Series
Seamless integration with regulator series to ensure stable pressure and voltage safety.
Safety Device Series
Part of the comprehensive safety device portfolio for hazardous gas environment protection.
Control System Synergy
Compatible with advanced industrial control systems for remote monitoring and emergency shut-off.
Vessel Series Support
Optimized for use with high-pressure vessel series to maintain structural and fluid integrity.
Peak Shaving Equipment
Integrated with peak shaving equipment to manage supply fluctuations safely.
Investment Return Comparison
| Feature | Standard Safety Valves | SSDJ-ZL Safety Valve |
|---|---|---|
| Maintenance Cost | High (Full Removal) | Low (Online Repair) |
| System Downtime | Extended during service | Minimal / Near Zero |
| Shut-off Precision | Standard (±5% or more) | High Precision (up to ±1%) |
| Safety Automation | Manual/External Trigger | Self-operated Auto-shutoff |
| Operational Life | Average | Extended due to low noise/wear |
Frequently Asked Questions
Q: What media is the SSDJ-ZL safety shut-off valve compatible with?
It is designed for non-corrosive gases, including natural gas, coal gas, liquefied petroleum gas (LPG), and other similar industrial gases.
Q: How does the "online repair" feature benefit industrial operations?
The top-mounted structure allows technicians to repair or replace internal components without removing the valve body from the piping, significantly reducing labor and system downtime.
Q: What are the standard safety configurations for this valve?
The valve comes standard with self-operated overpressure shut-off and self-operated under-voltage shut-off to prevent accidents during pressure spikes or power failures.
Q: Which international standards does the SSDJ-ZL valve comply with?
The product implements EN 14382 and Q/12WQ 5192 standards, with flange connections adhering to ANSI B16.5 RF and RTJ specifications.
Q: What is the range of nominal sizes and pressures available?
Nominal sizes range from DN25 to DN400 (NPS 1" to 16"), and nominal pressures range from Class 150 to Class 900 (2.0MPa to 15MPa).
Q: Can this valve be installed in any orientation?
Yes, the SSDJ-ZL is specifically engineered for easy installation in any position, providing flexibility for various piping layouts.
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