
Rd 40mm Plastic Air Operated Pneumatic Diaphragm Pump. Advanced Air Pilot Valve: Adopts three-way air pilot valve for real no dead stop and faster reversing. High Flow Rate: Max flow rate reaches 446 lpm (118 gpm) for efficient fluid transfer. Durable Center Body: Center body treated with anodizing to resist oxidation and tough environments. Strong Self-Priming: Quick start with strong self-suction capability up to 5m dry sucking height. Remote Control Ready: Able to connect with solenoid valve to realize remote control operations. Wide Material Options: Wetted parts available in PP, PVDF, Acetal, Aluminum, Stainless Steel, etc. Easy Maintenance: Direct online maintenance without dismantling the pump for quick service. Lube-Free Operation: Designed for lube-free operation, ensuring clean and efficient performance.