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Product name:Pneumatic-Piston

Product introduction:AP Pneumatic Piston Actuator: Same application as AD model, supplement/extension of AD diaphragm actuator. Withstands higher control pressure for larger-size, higher-rated-pressure valves—customized recommended款. Control medium: air, nitrogen, treated wellhead gas. Supports fail-close/fail-open.

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Product description

- Overpressure Protection: Built-in relief device auto-relieves excess pressure (stops at set range) to protect the actuator and surroundings.  
- Corrosion Resistance: Plastic-coated piston cylinder & unpainted non-stainless steel internals resist harsh environment/gas corrosion.  
- Back Seal Testing: Bonnet test port for on-demand performance checks.  
- Maintenance: Quick piston removal for fast seal inspection/replacement.  
- Packing Test Port: Real-time seal feedback; early leakage detection prevents accidents.  
- Port Sizing Adjustment: Dedicated mechanism for quick one-step sizing.