Pneumatic Actuators in Pipeline Systems
Technical solutions for large-scale valve automation
Mechanical Specifications
DN600 valves need 500-1,000 N·m torque (5,000+ N·m for double-acting models at 6-8 bar pressure).
Direct actuator mounting without adapters through standardized flange patterns and shaft alignment.
Operational Advantages
90° rotation in 1-5 seconds for emergency shutdowns in gas pipelines.
Spring-return models automatically close valves during power outages.
Stainless steel with PTFE seals withstands marine/chemical environments for 10+ years.
System Design
DN1000 valves need 500-1,000 liters/cycle at 7 bar, requiring high-capacity compressors.
| Component | Specification | Purpose |
|---|---|---|
| Positioners | 4-20 mA feedback | Precise flow regulation |
| Mounting Supports | 100-300 kg capacity | Prevent valve stress |
Case Studies
1,200mm valves with 3,500 N·m rack-and-pinion actuators managed by PLC systems.
DN900 valves with spring-return scotch yoke actuators meeting API 6D standards.
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