The Verderair VA25(HE) pump is a double diaphragm pump used in a wide range of applications. This pumping equipment uses state-of-the-art technology, making it the most efficient on the market. The air chamber is available in two versions: aluminium and plastic. The pump casing is available in 3 versions and the diaphragms in 9 versions, allowing you to choose the best solution for your production needs.
Advantages of the equipment
- Energy efficiency
- Less downtime
- Easy to install, use and maintain
- Anti-icing muffler
- Free from air lubrication
- Air valve without delay
- Can be operated without liquid without damage
- Self-priming in dry condition
| Technical specifications | |
|---|---|
| Maximum volume | 189 l/min |
| Maximum outlet pressure | 8,6 bar |
| Air connection | 1/2″ BSP/NPT |
| Connecting the fluid | 1″ BSP/NPT |
| Maximum suction lift (dry) | 4.9 m of waste water |
| Maximum suction lift (wet) | 8.8 m of waste water |
| Maximum particle size | 3,2 мм |
| Certificates | ATEX |
| Viscosity | 10000 mPa-s |
| Maximum temperature | 135 °C |
| Materials for parts in contact with liquids | Aluminium, Stainless steel, Gasteloy |
| Materials for valve seats | Acetal, Aluminium, Buna N, Geolast, Polypropylene, Kynar (PVDF), Gitrel, Santoprene, Stainless steel, Viton |
| Materials for ball valves | Acetal, Buna N, Geolast, Gitrel, Santoprene, Stainless steel, Viton, PTFE, Neoprene, Neoprene with weight loading |
Materials for diaphragms | PTFE (dicotyledonous), PTFE (overlaid), Gitrel, Buna-N, Santoprene, Viton, Geolast, Neoprene (overlaid) |
| Material of the central part | Polypropylene, Aluminium, Conductive polypropylene |
