AIR-OPERATED DOUBLE DIAPHRAGM PUMPS
Boxer 251
- Maximum flow rate: 340 l/min
- Suction / delivery connections: G 1″1/2 f o DN 40
ATEX ZONE 2 - STANDARD ON ALL MODELS
II 3G Ex h IIB T4 Gc
II 3D Ex h IIIB T135°C Dc
ATEX ZONE 1 - AVAILABLE ON REQUEST
II 2G Ex h lib T4 Gb
II 2D Ex h IIIB T135°C Db
PRODUCTION AND STORAGE OF BIODIESEL
CERAMIC, STONE, MARBLE, GLASS AND MINING INDUSTRY
CHEMICAL INDUSTRY
GRAPHIC INDUSTRY
PACKING, GLUE, PAPER AND PAPER MILLS
GALVANIC AND ELECTRONIC INDUSTRY
AUTOMOTIVE
MECHANICAL AND METALLURGIC INDUSTRY
PAINT INDUSTRY
OIL & GAS
TEXTILE AND LEATHER INDUSTRY
DATA
Performance
* The performance values refer to primed pumps (with water at 20°C) with open outlet and vary based on the construction materials
** Attention: average values of the different materials configurations for ball and ball seat.
DATA
Technical Specifications
Head / Flow rate guaranteed in compliance with ISO 9906
| Suction/delivery connections | G 1 1/2″ f o DN 40 |
| Air fitting | G 1/2″ f |
| Max flow rate * | 340 l/min |
| Max supply air pressure | 8 bar |
| Max head * | 80 m |
| Max negative suction head – dry-running ** | 4 m |
| Max negative suction head – pump primed | 9,5 m |
| Diameter Max suspended solids | 6 mm |
| Noise level ** | 80 dB |
| Volume per stroke | 552 cc |
PP PVDF ALU
| Version | Weight | Min | Max |
| PP (with glass additive) | 17,5 kg | 3° C | 65° C |
| PP conductive (with carbon additive) | 20 kg | 3° C | 65° C |
| PVDF (with carbon additive) | 20 kg | 3° C | 95° C |
| ALU | 19 kg | 3° C | 95° C |
| Maximum dimensions | Plastic | Aluminium |
| Height | 492 mm | 491 mm |
| Width | 493 mm | 490 mm |
| Depth | 254 mm | 254 mm |
DATA
Connections
A1 – A2 – A3 – A4 – A5 – A6 – M1 – M2 – M3 – M4 – M5 – M6
A1 – A2 – A3 – A4 – M1 – M2 – M3 – M4
STANDARD CONNECTIONS
M1 – A1
SUCTION
A1 – A2 – A3 – A4 – A5 – A6
DELIVERY
M1 – M2 – M3 – M4 – M5 – M6
MULTIMEDIA
Video
CONTACT
Ask for more information
TECHNICAL SHEETS
