SAMOA Industrial
Ref.: 554010
1 1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF250, DIRECTFLO SERIES, ALUMINIUM-HYTREL-ACETAL
Ref.: 554010
1 1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF250, DIRECTFLO SERIES, ALUMINIUM-HYTREL-ACETAL
Very reliable diaphragm aluminium pumps for large volume transfer (250 l/min max.), dispensing and evacuating a variety of fluids.
These pumps have an aluminium air motor.
Typical applications for these pumps are transferring and dispensing of antifreeze solutions.
They can be used as stand-alone pumps for transfer applications or as systems pumps in distribution systems that include hose reels. Instruction book: 855828.
Video: SAMOA Directflo pumps - Simple maintenance
Video: SAMOA DF Pump - No turbulences or bubbles on the surface
Technical data
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| Fluid ports / Location | BSP/NPT |
| Target product type | Directflo Series Diaphragm Pumps |
| Pump size | 1 1/2" |
| Pressure ratio | 1:1 |
| Maximum free flow delivery | 250 l/min (66 gal/min) |
| Air pressure operating range | 1,5-8 bar (20-120 psi) |
| Solids in suspension maximum size | 6 mm (0,25 ") |
| Maximum dry suction head | 5 m (16 ft) |
| Maximum wet suction head | 8 m (26 ft) |
| Delivery per cycle | 1,2 l (0,32 gal) |
| Fluid inlet | 1 1/2" BSP (F) / DIN2576 PN-10 DN40 |
| Fluid outlet | 1 1/2" BSP (F) / DIN2576 PN-10 DN40 |
| Air inlet | 1/2" NPSM (F) |
| Air exhaust port | 1" BSP (F) |
| Sound level | 80 dB |
| Certification | ATEX |
| Fluid path material | Aluminium |
| Diaphragms type & material | Hytrel |
| Valve seats material | Stainless steel (AISI 316) |
| Valve balls material | Acetal |
| Shaft material | Stainless steel |
| Seals material | NBR |
| Other wetted materials | Stainless steel |
| Wetted materials | Aluminium, Hytrel, Acetal, Stainless steel (AISI 316), Stainless steel, Viton |
| Air motor material | Aluminium |
| Weight | 20 kg (45 lb) |
| Compatible fluids | Coolant |