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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

Primary Gas Pressure Regulator SG15 1.72MPa



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

  • Industrial Gas Valve 500 Nm³/h AC10


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

  • DN50 Medium-Pressure Regulator RTZ Series


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

ParameterDN25 ConfigurationDN50 Configuration
Pipe Engagement19mm minimum38mm minimum
Torque Specification120 N·m285 N·m
Flow DirectionUnidirectional (arrow-marked)
OrientationVertical ±15° tolerance
Purge Procedure10x 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

FeatureIndustry StandardRTZ SeriesImprovement
Adjustment Resolution±0.05MPa±0.01MPa500%
Cold Start Reliability-10°C minimum-20°C operational100%
Diaphragm Service Life3 years8 years267%
Overpressure Recovery25 seconds3.8 seconds658%

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


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