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Dosing, spraying, transferring, evacuating, and spreading a range of fluids are all possible using air-operated double diaphragm pumps. It may be used with fluids of a higher viscosity thanks to stainless steel balls. Perfect for typical applications with low to moderate flow rates. Extremely durable metal pumps made for the most demanding applications. This particular model is an Ex II2 GD IIB/IIC 95 °C certified ATEX pump that is completely groundable.
Fluids |
Ink, Chemicals, Paint, Solvent, Varnish |
Pressure ratio |
1:1 |
Maximum wet suction head |
8 m (26 ft) |
Delivery per cycle |
0.2 l (0.05 gal) |
Wetted materials |
Aluminium, Stainless steel (AISI 316), Stainless steel, PTFE |
Maximum dry suction head |
6 m (20 ft) |
Air inlet |
3/8" NPSM (F) |
Fluid outlet |
1/2" NPSM (F) |
Fluid inlet |
1/2" NPSM (F) |
Solids in suspension maximum size |
3 mm (0.12 ") |
Air pressure operating range |
1.5 - 8 bar (20 - 120 psi) |
Certification |
ATEX |
Pump size |
1/2" |
Maximum free flow delivery |
50 l/min (14 gal/min) |
Weight |
3.5 kg (7.72 lb) |
Product code |
Diaphragms |
Balls |
Seats |
Other wetted materials |
Air motor |
Fluid Path |
DF50ASSTSTTBAS |
PTFE |
PTFE |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Stainless steel (AISI 316) |
DF50AASTSTTBAS |
PTFE |
PTFE |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Aluminium |
DF50ASSTSSTBAS |
PTFE |
Stainless steel (AISI 316) |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Stainless steel (AISI 316) |
DF50AASTSSTBAS |
PTFE |
Stainless steel (AISI 316) |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Aluminium |
DF50AASVSTHBAS |
Hytrel |
PTFE |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Aluminium |
DF50AASESTMBAS |
Santoprene |
PTFE |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Aluminium |
DF50AASNSNNBAS |
NBR |
NBR |
Stainless steel (AISI 316) |
Stainless steel |
Aluminium |
Aluminium |