RTZ1 Series Gas Pressure Regulator China Factory and Professional Suppliers
RTZ1 Series gas pressure regulators from our China factory provide precise pressure control for high-rise residential buildings and industrial canteens. As leading suppliers, we offer GB 27790-2020 certified solutions for natural gas, coal gas, and LPG.
About this product
Product information from the supplier.
The RTZ1-/0.4LQ Series Gas Pressure Regulator is a high-performance, direct-acting pressure control solution engineered for precision and safety. Specifically designed for residential buildings, high-rise residential units, and commercial facilities such as industrial canteens and institutional kitchens, this series ensures a stable and consistent gas supply while adhering to the rigorous GB 27790-2020 city gas pressure regulator standards.
Featuring a sophisticated soft-sealed closing lever force transmission system and a fourth-generation steel ball brake release cut-off mechanism, the RTZ1 series maximizes operational reliability. It is optimized for non-corrosive gases, including natural gas, coal gas, and liquefied petroleum gas (LPG), offering a compact design that supports high flow rates and seamless online maintenance to minimize system downtime.
Detailed Parameters
| Inlet Pressure (P1) | 0.02-0.4MPa | Outlet Pressure (P2) | 1-30KPa |
|---|---|---|---|
| Regulation Grade | AC10/15 | Closing Accuracy | SG20 |
| Working Temperature | -20℃ to +60℃ | Connection Mode | Flange PN1.6MPa HG/T20592-2009 |
| Available Sizes | DN25, DN40, DN50 | Applicable Media | Natural Gas, Coal Gas, LPG |
| Standard Compliance | GB 27790-2020 | Mechanism Type | Direct-Acting / Soft-Sealed |
Key Advantages
Advanced Safety Cut-off
Equipped with a 4th Gen steel ball brake release mechanism for rapid overpressure release and fail-safe operation.
Online Maintenance
Designed for easy management and replacement, allowing for repairs without complete system shutdown.
High Precision Control
Achieves voltage stabilization accuracy of AC10/15 and closing accuracy of SG20 for consistent output.
Compact High-Flow Design
Small footprint installation without compromising on flow capacity, ideal for space-constrained areas.
Robust Durability
Built with high-grade materials to resist wear in industrial and residential gas distribution networks.
Cost-Effective Operation
Few accessories and simplified structure significantly reduce long-term maintenance man-hours and costs.
Product Gallery
Management Platforms
Integrated Device Series
Seamless integration with existing gas pipeline infrastructures for streamlined control.
Voltage Regulator Series
Precise stabilization of pressure levels to prevent fluctuations in downstream equipment.
Safety Device Series
Integrated cut-off triggers that activate instantly during abnormal pressure surges.
Control System Sync
Compatible with centralized monitoring for real-time gas flow and pressure oversight.
Vessel Series Support
Optimized for use with various pressure vessels and storage tanks in industrial settings.
Point Supply Equipment
Ideal for peak shaving and point-of-use regulation in complex residential networks.
Investment Return Comparison
| Metric | Standard Regulators | RTZ1 Series |
|---|---|---|
| Maintenance Frequency | Quarterly Required | Semi-Annual/Online |
| Response Time | Standard / Slow | High Sensitivity |
| Safety Compliance | Basic Standards | GB 27790-2020 Certified |
| Installation Space | Large Footprint | Compact/Optimized |
| Operational Life | Medium | Extended Service Life |
Frequently Asked Questions
The RTZ1 series is designed for non-corrosive gases, including natural gas, coal gas, and liquefied petroleum gas (LPG).
Yes, the RTZ1 series features a design that allows for online maintenance and repair, significantly reducing downtime.
It utilizes a steel ball brake release system where the cutting film and sliding mechanism are split, providing higher response sensitivity and safer overpressure release.
Absolutely. It is specifically engineered to meet the unique pressure regulation requirements of high-rise residential and living units.
The series is available in DN25, DN40, and DN50 specifications with flange connections per PN1.6MPa HG/T20592-2009.
The RTZ1 series is manufactured in strict accordance with the GB 27790-2020 standard for City Gas Pressure Regulators.



