Our 3-inch ductile iron air diaphragm pumps are engineered for high-viscosity applications with maximum flow rates of 1022 LPM (270 GPM). These versatile pumps offer customizable solutions for various fluid transfer requirements.

• Ceramic material for main valve and reversing valve ensures longer life and stability in dirty compressed air environments
• Ice-free muffler design with innovative exhaust space for smooth air outlet
• Die-cast aluminum exterior with environmental-protection coating for elegant appearance
• Large flow capacity with innovative chamber design and seamless inlet valve adjustment
• Low compressed air consumption with optimized air flow system design
• Compact, lightweight design for easy mobility and installation
• Modular main valve and air motor design for easy disassembly and maintenance

• PTFE
• Santoprene
• Buna-N
• Hytrel
• Viton
• Neoprene

This air diaphragm pump efficiently handles viscous fluids, slurries, and solid-laden fluids without requiring priming. It prevents fluid foaming and eliminates stall damage risks while maintaining portability for various industrial applications.

Ensure the mounting structure can support the pump weight, hoses, and accessories, including operational stress. Secure the pump with bolts on mounting feet and provide adequate maintenance space for operation and service. Use rubber pads during fastening to reduce noise and vibration during operation.