The RTZ1-20/0.4Q Series Gas Pressure Regulator is a high-precision engineering solution specifically designed for civil gas distribution systems in high-rise residential buildings. Engineered for stability and safety, this direct-acting regulator ensures precise pressure stabilization for affixed pressure heads, making it an indispensable component for urban gas infrastructure, mining facilities, corporate canteens, and public welfare services.
Built to meet the rigorous GB 27790-2020 national standards, the RTZ1-20/0.4Q combines a compact footprint with high flow capacity and integrated safety cut-off mechanisms. Its soft-sealed lever force transmission system allows for exceptional operational durability and online maintenance, significantly reducing downtime and operational costs for facility managers and gas utility providers.
Detailed Parameters
| Inlet Pressure (P1) | 0.05-0.4MPa | Outlet Pressure (P2) | 1.0-3.0KPa |
|---|---|---|---|
| Flow Range | 15-40Nm3/h | Regulation Grade | AC15 |
| Closing Grade | SG25 | Working Temperature | -20℃ ~ +60℃ |
| Series Specification | DN20 | Connection Size | G3/4 |
| Compliance Standard | GB 27790-2020 | Applicable Medium | Natural Gas, Coal Gas, LPG |
Key Advantages
Enhanced Safety
Equipped with a dedicated safety cut-off device to prevent over-pressure and ensure secure gas distribution.
Online Maintenance
Designed for easy online repair and maintenance, eliminating the need for total system shutdowns.
High Durability
Tested for 30,000 strokes (50% full stroke) to guarantee long-term reliability under heavy use.
Compact Design
Small size with large flow capacity, ideal for space-constrained installations in urban settings.
Precision Control
Achieves AC15 voltage stabilization accuracy and SG25 closing accuracy for consistent performance.
Versatile Mediums
Compatible with Natural Gas, Coal Gas, and LPG, providing flexibility across different fuel types.
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Management Platforms
Modular Installation
Can be installed separately or integrated into cabinets with gas meters and indicators.
Rapid Replacement
Simplified structure allows for quick component replacement, reducing technical man-hours.
Pressure Monitoring
Seamless integration with pressure indicators for real-time system oversight.
Safety Auditing
Complies with GB 27790-2020, ensuring all safety audits pass with ease.
Inventory Efficiency
Few accessories required for operation, simplifying spare parts inventory management.
Operational Stability
Direct-acting soft-seal system minimizes fluctuations and operational errors.
Investment Return Comparison
| Evaluation Metric | Standard Regulators | RTZ1-20/0.4Q Series |
|---|---|---|
| Maintenance Cost | High (Full Shutdown) | Low (Online Maintenance) |
| Service Life | Moderate | High (30,000+ Cycle Test) |
| Installation Space | Large Footprint | Compact/Space-Saving |
| Safety Compliance | Basic Standards | GB 27790-2020 Certified |
| Operational Downtime | Frequent/Lengthy | Minimal/Rapid Repair |
Frequently Asked Questions
Q: Which gases are compatible with the RTZ1-20/0.4Q Series?
The regulator is compatible with non-corrosive gases, including natural gas, coal gas, and liquefied petroleum gas (LPG).
Q: What makes the RTZ1-20/0.4Q suitable for high-rise buildings?
Its ability to stabilize affixed pressure heads and provide reliable pressure regulation ensures consistent gas flow across multiple floors.
Q: Does this series comply with international or national standards?
Yes, it is produced and tested according to the GB 27790-2020 City Gas Pressure Regulators standard.
Q: How does "online maintenance" benefit the operator?
Online maintenance allows repairs to be conducted without fully decommissioning the gas line, drastically reducing service interruptions.
Q: What is the significance of the SG25 closing accuracy?
SG25 represents a high standard of closing precision, ensuring that gas flow is stopped effectively and safely when required.
Q: Can this regulator be used in industrial settings like mining companies?
Absolutely. It is specifically designed for gas facilities in mining companies, canteens, and other collective public welfare services.
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