1½” Pneumatic Double Diaphragm Pump

1½” Pneumatic Double Diaphragm Pump, DF250,

Samoa 1½” AODD Pump, DF250, Aluminum-PTFE-PTFE

Double diaphragm air-operated pumps for a range of fluid distribution tasks, including dosing, spraying, transferring, evacuating, and evacuation. Suitable for common applications with moderate flow rates. For the most demanding applications, very durable metal pumps are manufactured. In potentially explosive environments (Ex II2 GD IIB/IIC 95 °C), this model of pump is fully groundable and ATEX certified. Stainless steel and aluminum-friendly chemicals work well with this pump. Paint, inks, and varnishes that use solvents include those based on solvents (ketones, acetates, and aldehydes, as well as aliphatic and aromatic hydrocarbons).

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Technical Data
Capacity Chart
Dimension
Model Box

Fluid inlet	1 1/2" BSP (F) / DIN2576 PN-10 DN40
Wetted materials	Stainless steel (AISI 316), PTFE, Stainless steel, Aluminium
Air inlet	1/2" NPSM (F)
Fluids	Chemicals, Ink, Solvent, Paint, Varnish
Certification	ATEX
Air pressure operating range	1.5 - 8 bar (20 - 120 psi)
Pump size	1 1/2"
Pressure ratio	1:1
Solids in suspension maximum size	6 mm (0.18 ")
Maximum dry suction head	5 m (16 ft)
Maximum wet suction head	8 m (26 ft)
Fluid outlet	1 1/2" BSP (F) / DIN2576 PN-10 DN40
Weight	20 kg (45 lb)
Maximum free flow delivery	250 l/min (66 gal/min)
Delivery per cycle	1.2 l (0.32 gal)

Product code	Diaphragms	Balls	Seats	Other wetted materials	Air motor	Fluid Path
DF250AASVSTHBAS	Hytrel	PTFE	Stainless steel (AISI 316)	Stainless steel	Aluminium	Aluminium
DF250AASNSNNBAS	NBR	NBR	Stainless steel (AISI 316)	Stainless steel	Aluminium	Aluminium
DF250AASTSSTBAS	PTFE	Stainless steel (AISI 316)	Stainless steel (AISI 316)	Stainless steel	Aluminium	Aluminium
DF250AASTSTTBAS	PTFE	PTFE	Stainless steel (AISI 316)	Stainless steel	Aluminium	Aluminium
DF250AASESTMBAS	Santoprene	PTFE	Stainless steel (AISI 316)	Stainless steel	Aluminium	Aluminium