Samoa ½” AODD Pump

Samoa ½” Pneumatic Double Diaphragm Pump

Samoa ½” AODD Pump, DF50, Conductive PVDF-PTFE-PTFE

Double diaphragm air-operated pumps can be used for a number of fluid applications with low to medium flow rates, including dosing, spraying, transferring, and distribution. Pump wetted parts can be used in corrosive settings and are compatible with even the most abrasive fluids. Polypropylene is used to construct the air motor, including the air directional valve and air chamber coverings. In potentially explosive environments (Ex II2 GD IIB/IIC 95 °C), this model of pump is fully groundable and ATEX certified. Strong acids, some of which are above room temperature, and alkalis are both suitable for this pump. Avoid using concentrated nitric acid or some strong alkalis.

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Technical Data
Capacity Chart
Dimension
Model Box

Maximum free flow delivery	50 l/min (14 gal/min)
Wetted materials	Hastelloy C, PVDF, PTFE, Polypropylene, Conductive PVDF
Fluid inlet	1/2" BSPP (F)
Air pressure operating range	1.5 - 8 bar (20 - 120 psi)
Certification	ATEX
Weight	2.2 kg (4.85 lb)
Pressure ratio	1:1
Fluid outlet	1/2" BSPP (F)
Solids in suspension maximum size	3 mm (0.12 ")
Fluids	Acids, Alkalis
Delivery per cycle	0.2 l (0.05 gal)
Pump size	1/2"
Maximum dry suction head	6 m (20 ft)
Air inlet	3/8" NPSM (F)
Maximum wet suction head	8 m (26 ft)

Product code	Diaphragms	Balls	Seats	Other wetted materials	Air motor	Fluid Path
DF50PPSVSTHBAS	Hytrel	PTFE	Stainless steel (AISI 316)	Stainless steel	Polypropylene	Polypropylene
DF50PPYTWTTBAS	PTFE	PTFE	PVDF	Hastelloy C	Polypropylene	Polypropylene
DF50PPSTSTTBAS	PTFE	PTFE	Stainless steel (AISI 316)	Stainless steel	Polypropylene	Polypropylene
DF50PDSTSTTBAS	PTFE	PTFE	Stainless steel (AISI 316)	Stainless steel	Polypropylene	Conductive acetal
DF50PPSESTMBAS	Santoprene	PTFE	Stainless steel (AISI 316)	Stainless steel	Polypropylene	Polypropylene
DF50PKYTWTTBAS	PTFE	PTFE	PVDF	Hastelloy C	Polypropylene	Conductive PVDF