1. Main structural features
1. Forged valve body
● One-piece Stamping (ASTM A105/A182 F316)
● Grain size reaches ASTM grade 7 or higher
● Minimum wall thickness exceeds standard by 20% (GB/T 12224)
2. Worm gear system
● Two-stage worm gearbox (1:30/1:50 gear ratio optional)
● Self-locking function (saving any opening position)
● IP65 protection grade (outdoor type with rain protection)
3. Sealing system
● Metal solid seal (13%Cr STL)
● Flame retardant design (API 607 certified)
● Anti-Static Device (Resistance Value <10Ω)
2. Performance Benefits
1. Advantages of the material
● Tensile strength ≥485Mpa
● Impact energy ≥54 J (-46°C)
● Passed SSC/HIC test (NACE MR0175)
2. Performance Characteristics
● 40% reduction in operating torque (compared to spur gears)
● 90° quick opening and closing (≤30 seconds)
● Accurate opening indication (±1°)
3. Reliability indicators
● Maintenance-free cycle ≥8 years
● No leakage after 30 minutes of fire test
● Seismic performance conforms to IEEE 693
3. Typical Applications
1. Oil and gas field
● Wellhead Equipment
● High-pressure collection and transport pipeline
● Natural Gas Liquefaction Plant
2. Chemical industry
● High-pressure reaction system
● Ammonia Synthesis Unit
● Methanol Synthesis System
3. Energy
● Supercritical Installation
● Nuclear Power Auxiliary System
● High Pressure Water Supply System
Ball Valve Series
Butterfly Disc Valve Series
Slide Valve Series
Stainless Ball Valve Series
