Polypropylene (Plastic) Impa 591613 Sempo P-4 Diaphragm Pump

🧪 Polypropylene Housing – Lightweight, durable, and highly resistant to acids, alkalis, and solvents.

💨 Air-Driven Pneumatic Operation – Operates without electricity; safe in ATEX zones and flammable environments.

🧰 PTFE (Teflon) Diaphragms, Balls & Valve Seats – Outstanding chemical resistance and mechanical durability.

🔧 Handles Abrasive & Corrosive Liquids – Ideal for acid, caustic, and solid-laden chemical fluid transfer.

🚫 Dry Running Safe – Can run without fluid without damaging internal diaphragms or seals.

📏 Self-Priming Capability – Up to 5 meters suction lift without external priming required.

🧲 Explosion-Proof for Hazardous Areas – No electrical sparks, ideal for marine chemical lockers and volatile atmospheres.

🛠️ Extended Diaphragm Flex Life – Long-lasting PTFE construction ensures reduced maintenance frequency.

🔁 Pulse-Free Fluid Discharge – Smooth and even flow for better process control.

🔄 Handles Slurries & Suspended Solids – Supports mixed-content fluids without blockages.

🧳 Lightweight & Compact – Easy to install on tanks, ships, chemical systems, or portable pump sets.

🌡️ Resists Temperature Extremes – Stable performance in cold and hot marine industrial environments.

⚙️ Modular Internal Components – Fast maintenance with field-replaceable diaphragm and valve kits.

💡 Low Air Consumption – Optimized valve system reduces operating costs by minimizing air usage.

✅ Trusted for Marine & Industrial Chemical Applications – Used in wastewater, shipboard dosing, and industrial process transfer.