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Dosing, spraying, transferring, evacuating, and spreading a range of fluids are all possible using air-operated double diaphragm pumps. 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. This pump works well with chemicals that won't corrode aluminum and stainless steel. Paint, inks, and varnishes made with solvents (ketones, acetates, and aldehydes, as well as aliphatic and aromatic hydrocarbons). Not for hydrocarbon solvent that has been chlorated.
Delivery per cycle |
0.2 l (0.05 gal) |
Fluids |
Paint, Solvent, Chemicals, Varnish, Ink |
Maximum wet suction head |
8 m (26 ft) |
Wetted materials |
PTFE, Stainless steel, Aluminium, Stainless steel (AISI 316) |
Fluid outlet |
1/2" NPSM (F) |
Air pressure operating range |
1.5 - 8 bar (20 - 120 psi) |
Maximum free flow delivery |
50 l/min (14 gal/min) |
Pump size |
1/2" |
Pressure ratio |
1:1 |
Weight |
3.5 kg (7.72 lb) |
Solids in suspension maximum size |
3 mm (0.12 ") |
Maximum dry suction head |
6 m (20 ft) |
Certification |
ATEX |
Fluid inlet |
1/2" NPSM (F) |
Air inlet |
3/8" NPSM (F) |
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 |