Key Features
- Dual-relief body design for pressure release
- 90% torque reduction via gear operation
- Full-bore structure maintains flow capacity
- Anti-static design meets gas safety regulations
- Fully welded body eliminates leakage risks
Typical Applications
- City gas network pressure stations
- Natural gas transmission line isolation
- LNG terminal piping systems
- Industrial gas distribution networks
- CNG refueling station control valves
Manufacturing Process
Injection-molded body + CNC-machined metal components + Automated valve assembly
- Body cooling rate ≤15°C/min
- Gearbox backlash tolerance ±0.05mm
- Ball sphericity deviation ≤0.01mm
- Sealing surface roughness Ra≤0.8μm
- Welding temperature 210±5°C
Raw Material Characteristics
- Density: 0.950-0.955 g/cm³
- Melt Flow Rate: 0.15-0.35 g/10min
- Slow Crack Growth Resistance ≥500h
- Tensile Strength ≥22MPa
- Elastic Modulus ≥800MPa
- Gas pipeline overpressure protection
- Critical isolation points in underground networks
- Emergency shutdown systems in gas plants
- Residential gas distribution control
- Safety isolation at industrial metering stations
