SAMOA Industrial
Ref.: 552164
1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF50, DIRECTFLO SERIES, PP-HYTREL-HYTREL
Ref.: 552164
1/2" PNEUMATIC DOUBLE DIAPHRAGM PUMP, DF50, DIRECTFLO SERIES, PP-HYTREL-HYTREL
Very compact and reliable diaphragm pumps for medium volume transfer (50 l/min max.), dosing, spraying and dispensing a variety of fluids.
Polypropylene pumps have a polypropylene air motor. Typical applications for these pumps are transferring and dispensing of windshield washer and antifreeze solutions, pure windshield wash and AdBlue/DEF.
They can be used as stand-alone pumps for transfer applications or as systems pumps in distribution systems that include hose reels. Instruction book: 855837.
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 | 1/2" |
| Pressure ratio | 1:1 |
| Maximum free flow delivery | 50 l/min (14 gal/min) |
| Air pressure operating range | 1,5-8 bar (20-120 psi) |
| Solids in suspension maximum size | 3 mm (0,12 ") |
| Maximum dry suction head | 6 m (20 ft) |
| Maximum wet suction head | 8 m (26 ft) |
| Delivery per cycle | 0,2 l (0,05 gal) |
| Fluid inlet | 1/2" BSP (F) - 3/8" BSP DF50T |
| Fluid outlet | 1/2" BSP (F) |
| Air inlet | 3/8" NPSM (F) |
| Air exhaust port | 3/8" NPSM (adapter required) |
| Sound level | 80 dB |
| Certification | CE |
| Fluid path material | Polypropylene |
| Diaphragms type & material | Hytrel |
| Valve seats material | Stainless steel (AISI 316) |
| Valve balls material | PTFE |
| Shaft material | Stainless steel |
| Seals material | FKM |
| Other wetted materials | Stainless steel |
| Wetted materials | Polypropylene, Hytrel, PTFE, Stainless steel (AISI 316), Stainless steel, Viton |
| Air motor material | Conductive polypropylene |
| Weight | 2,2 kg (4,85 lb) |
| Compatible fluids | Coolant, AdBlue/DEF |