Key Features
- Gear operation mechanism for low-torque actuation
- Integrated single-point pressure relief safety feature
- Full bore design minimizes pressure drop
- PE100 RC material guarantees Slow Crack Growth (SCG) resistance
- Corrosion-resistant monolithic valve body construction
Typical Applications
- Main control valves in medium-pressure gas distribution networks
- Pipeline systems for LNG/CNG refueling stations
- Isolation sections in industrial fuel gas transmission lines
- Safety shut-off systems for underground gas storage facilities
Manufacturing Process
Precision injection molding combined with CNC machining
- Melt temperature control: 210±5°C
- Mold cooling gradient ≤15°C/mm
- Seat surface roughness Ra≤0.8μm
- Gearbox axial clearance ≤0.05mm
Raw Material Characteristics
- Minimum Required Strength (MRS) ≥10.0 MPa (ISO 12162)
- Slow Crack Growth resistance FNCT＞8760h (ISO 16770)
- Volume resistivity＞1×10¹⁶ Ω·cm (IEC 62631)
- Environmental Stress Cracking resistance ESC＞1000h (ASTM D1693)
- Pressure zoning control points in urban gas networks
- Pressure reduction stations in CNG mother stations
- Safety shut-off at LPG storage tank outlets
- Biogas source regulation systems in power plants
