SAMOA Industrial
Ref.: 554030
1 1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF250, DIRECTFLO SERIES, ALUMINIUM-NBR-NBR (LUBE)
Ref.: 554030
1 1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF250, DIRECTFLO SERIES, ALUMINIUM-NBR-NBR (LUBE)
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, lubricant oils, diesel and waste oil evacuation or transferring. 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 | NBR |
| Valve seats material | Stainless steel (AISI 316) |
| Valve balls material | NBR |
| Shaft material | Stainless steel |
| Seals material | NBR |
| Other wetted materials | Stainless steel |
| Wetted materials | Aluminium, NBR, Stainless steel (AISI 316), Stainless steel |
| Air motor material | Aluminium |
| Weight | 20 kg (45 lb) |
| Compatible fluids | Coolant, Oil, Diesel, Waste oil |