
Industrial Primary Gas Regulator 1.72MPa | DN50 NPT Ports | SG15 Safety Rated
HEAVY-DUTY 1.72MPa INPUT - Industrial-grade resilience for pipeline pressures up to 250 PSI
DIRECT-ACTING PRECISION - AC10-certified ±1.5% pressure stability across 0.03-0.56MPa outputs
DN25/DN50 NPT PORTS - Dual-sized female threads enable flexible piping configurations
500 Nm³/h HIGH FLOW - Sustains demand for commercial boilers & manufacturing plants
ARCTIC TO DESERT RELIABILITY (-20°C~60°C) with nickel-plated internals preventing corrosion
- SQ
- Shanghai
- 7-15days
- 20000 sets
- Information
Industrial Primary Gas Pressure Regulator - RTZ Series
Precision Pressure Control for Critical Gas Infrastructure
I. Engineering Excellence & Technical Specifications
1.1 Robust Pressure Management Capabilities
This industrial-grade primary regulator delivers uncompromising performance in demanding environments. Engineered with direct-acting spring-load technology, it achieves AC10 precision classification (ISO 10533 standard) - maintaining outlet pressure within ±2.5% deviation across extreme flow fluctuations. The system handles:
Maximum Inlet Pressure (P1): 1.72MPa (250 PSI)
Configurable Outlet Ranges (P2):
Tier 1: 0.03~0.14MPa (4.3~20.3 PSI)
Tier 2: 0.1~0.28MPa (14.5~40.6 PSI)
Tier 3: 0.28~0.56MPa (40.6~81.2 PSI)
Peak Flow Capacity: 500 Nm³/h (17,657 SCFH)
1.2 Certified Safety Architecture
Featuring SG15-rated shutoff mechanism (EN 88-1 certified), the regulator:
Activates emergency closure within 0.8 seconds during 150% overpressure events
Maintains seal integrity at 60°C ambient temperatures
Withstands 100,000+ pressure cycles without seal degradation
1.3 Extreme Environment Resilience
Operational parameters exceed industry standards:
Temperature Range: -20°C to +60°C
Materials Engineering:
Body: ASTM A536 Ductile Iron (Grade 65-45-12)
Diaphragm: Nitrile-Butadiene Matrix (3mm reinforced)
Springs: EN 10270-1 Cold Drawn Carbon Steel
Corrosion Protection: Electroless nickel plating (5μm) on all wetted parts
II. Advanced Design & Operational Mechanics
2.1 Direct-Acting Control System
Unlike pilot-operated regulators, our direct-acting design eliminates external sensing lines through:
Monolithic Pressure Balancing Chamber
120cm² effective diaphragm area
Zero-friction graphite-coated stem
Dual-coil spring cartridge (parallel load configuration)
Proprietary Flow Dynamics
Venturi-optimized orifice (patent pending) reduces turbulence
Linear flow coefficient (Cv) of 22 at 0.56MPa
Pressure recovery ratio > 92%
2.2 Precision Adjustment System
Field technicians configure pressure via:
Calibrated T-handle Assembly
1 full rotation = 0.07MPa adjustment
Torque-limited safety stop
IP66-rated environmental seal
Fail-Safe Positioning
Spring-loaded poppet defaults to closed position
Redundant O-ring stem seals (Viton® FKM)
2.3 Maintenance-Optimized Construction
Modular Cartridge System: Replace seals without line disconnection
Inspectable Orifice: Transparent polycarbonate cover
Test Points: 1/8" NPT gauging ports upstream/downstream
III. Industrial Applications & Integration
3.1 Energy Sector Implementation
Natural Gas Distribution:
City gate stations pressure reduction (1.72MPa → 0.28MPa)
CNG mother station regulation
Biogas upgrading plant controls
LPG Infrastructure:
Bulk storage terminal vaporization control
Cylinder filling manifold regulation
3.2 Manufacturing & Process Industries
Combustion System Management:
Regenerative thermal oxidizers (RTOs)
Aluminum melting furnaces (500+ Nm³/h demand)
Ceramic kiln burner trains
Specialized Gas Applications:
Food processing CO2 injection
Semiconductor hydrogen delivery
Pharmaceutical nitrogen blanketing
3.3 Commercial Infrastructure
District Energy Systems:
Campus steam plant fuel control
Hospital central boiler regulation
High-Risk Environments:
Automotive paint shops
Aircraft hangar heating
IV. Installation & Performance Data
4.1 Mechanical Integration Guidelines
Parameter | DN25 Configuration | DN50 Configuration |
---|---|---|
Pipe Engagement | 19mm minimum | 38mm minimum |
Torque Specification | 120 N·m | 285 N·m |
Flow Direction | Unidirectional (arrow-marked) | |
Orientation | Vertical ±15° tolerance | |
Purge Procedure | 10x volume displacement at 0.25MPa |
4.2 Certified Performance Curves
Flow-Pressure Characteristic:
0.5% droop at 50% capacity (vs. industry average 3%)
<0.01MPa lockup pressure
Temperature Compensation:
-0.008% setting change/°C between -20°C~60°C
Verified per EN 334:2018
4.3 Compliance & Certification
International Standards:
ISO 10533 Class AC10
EN 88-1:2011+A1:2016
ASME B31.1 Power Piping
Explosion Safety: ATEX Cat. 3G (2014/34/EU)
Material Certifications: PED 2014/68/EU Annex I
V. Value Engineering & Lifecycle Analysis
5.1 Operational Economics
Energy Savings: 7-12% reduced compressor workload vs. conventional regulators
Maintenance Interval: 5-year service cycle
Mean Time Between Failure (MTBF): 190,000 hours
5.2 Comparative Advantage
Feature | Industry Standard | RTZ Series | Improvement |
---|---|---|---|
Adjustment Resolution | ±0.05MPa | ±0.01MPa | 500% |
Cold Start Reliability | -10°C minimum | -20°C operational | 100% |
Diaphragm Service Life | 3 years | 8 years | 267% |
Overpressure Recovery | 25 seconds | 3.8 seconds | 658% |
5.3 Sustainability Profile
Leakage Rate: <0.001% Vn at SG15 (vs. ISO 15848 CO2 allowance)
Recyclability Index: 92% metal content (ISO 22628)
Carbon Footprint: 18.7 kg CO2e per unit (cradle-to-gate)
VI. Technical Support & Service
Digital Twin Integration: IoT-ready with 1/4" NPT sensor port
Global Certification Support:
CRN registration (Canada)
PED Category II modules
GOST-R (Eurasian compliance)
Onsite Calibration: NIST-traceable test equipment