
Key Features
- Self-priming with 5 m suction lift, no priming water required
- Max flow rate of 240 L/min and discharge pressure up to 6.9 bar
- Passes solids up to 8 mm diameter; handles slurries and viscous fluids
- No rotating parts or shaft seals – minimal wear and leak-free operation
- Explosion-proof pneumatic operation, safe for flammable or toxic media
- Submersible design allows operation underwater
- Runs dry without damage; automatic stop/restart under load
- Simple air valve control for variable flow and pressure
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Flow | 240 L/min |
| Maximum Discharge Pressure | 6.9 bar (100 psi) |
| Suction Lift (Dry) | 5 m (16.4 ft) |
| Maximum Solid Diameter | 8 mm (0.31 in) |
| Maximum Air Consumption | 900 L/min (31.8 CFM) |
| Air Supply Pressure Range | 1–7 bar (14–100 psi) |
| Inlet/Outlet Connection | 2 inch DIN thread (50 mm) |
| Overall Height (H) | 665 mm (26.2 in) |
| Base Dimensions (A x B) | 320 x 220 mm (12.6 x 8.7 in) |
| Body Material | Polypropylene |
| Diaphragm Material | Teflon (PTFE) |
| Ball Valve Material | Teflon (PTFE) |
| Seat Material | Teflon (PTFE) |
| Center Body Material | Aluminum Alloy |
| Shaft Material | Stainless Steel |
| Weight | Approx. 20 kg (44 lb) |
Frequently Asked Questions
What fluids can the P8 diaphragm pump handle?
The P8 pump is suitable for a wide range of fluids including water, chemicals, acids, alkalis, oils, slurries, and viscous liquids up to 10,000 cP. The polypropylene body and Teflon diaphragms offer excellent chemical resistance.
Can the pump run dry without damage?
Yes, the P8 pump can run dry indefinitely without damage. It also features automatic shut-off if the discharge is blocked and will restart when back pressure is relieved.
Does this pump require an air filter or lubricator?
It is recommended to install an air filter and regulator on the inlet air line to remove moisture and control pressure. The pump does not require oil lubrication.
How do I connect the P8 pump to my piping system?
The pump has 2-inch DIN threaded inlet and outlet ports. Use compatible fittings or adapters for your piping. Ensure proper support for the pump to avoid stress on connections.
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