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Pro Series


PNEUMATIC PUMPS

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Pro Series Diaphragm Pumps

For general industrial and OEM installation applications

ARO Pro Series air operated diaphragm pumps can easily pump from clean, light viscosity fluids to corrosive, abrasive medium viscosity fluids and can transfer large particles without damage. Due to their pneumatic motor, they could be used in potentially explosive areas. Most of the ARO® diaphragm pumps are ATEX certified (CE Ex11 2GD X).

Our pumps offer the ability to vary the flow outlet and discharge pressure as slow as 0.26 gallons (1liter) per minute up to 275 gallons (1040 liter) per minute for our larger sizes and adjust fluid pressure up to 123 p.si. (8.5 bar), by using just an air filter / regulator and a needle valve.

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  Non-Metallic Model Overview
  Models
1/4″
Non-Metallic
3/8″
Non-Metallic
1/2″
Non-Metallic
1/2″ Classic
Non-Metallic
3/4″
Non-Metallic
1”
Non-Metallic
1-1/2”
Non-Metallic
2”
Non-Metallic
Maximum Flow
gpm (lpm)
5.3
(20)
10.6
(40.1)
14.4
(54.5)
13
(49.2)
14.8
(56)
47
(178)
100
(378.5)
145
548.8
Maximum Discharge
Pressure psi (bar)
125
(8.6)
100
(6.9)
100
(6.9)
100
(6.9)
100
(6.9)
120
(8.3)
120
(8.3)
120
(8.3)
Fluid Ports
Inlet / Outlet
(bsp)
 Q-1/4-1/8 PTF
SAE SHORT
3/8″ (F) – In/Out
1/2″ (F) – In/Out
1/2-14 N.P.T.F.-1
3/4 – 14 N.P.T.F.-1
Rp 3/4(3/4-14 BSP,
parallel)
1” ANSI/DIN
Flange 1” (F) Threated
1-1/2” ANSI/DIN
Flange
2” ANSI/DIN
Flange
Constructon Material
Polypropylene
Groundable
Acetal
PVDF
Polypropylene
Groundable
Acetal
PVDF
Polypropylene
Groundable
Acetal
PVDF
Polypropylene
Groundable
Acetal
PVDF
Polypropylene
Polypropylene
Polypropylene
Polypropylene
  Metallic Model Overview
  Models
1/2”
Metallic
3/4”
Metallic
1”
Metallic
1-1/2”
Metallic
2”
Metallic
3”
Metallic
Maximum Flow
gpm (lpm)
12
(45.4)
13.6
(51.5)
35
(133)
90
(340.7)
172
(651)
237
(897)
Maximum Discharge
Pressure psi (bar)
100
(6.9)
100
(6.9)
120
(8.3)
120
(8.3)
120
(8.3)
120
(8.3)
Fluid Ports
Inlet / Outlet
(bsp)
1/2” (F) – In/Out
3/4 – 14 N.P.T.F.-2
Rp 3/4
(3/4-14BSP,
parallel)
1-11-1/2” NPT
Rp1
(1-11 BSP parallel)
1-1/2 – 11-1/2 NPTF
Rp1-1/2
(1-11 BSP parallel)
1-1/2 – 11-1/2 NPTF
Rp/2
(2-11 BSP parallel)
3 – 8 NPTF -1
Rp3
(3-11 BSP parallel)
Constructon Material
Aluminum
Stainless Steel
Aluminum
Aluminum
Stainless Steel
Cast Iron
Aluminum
Stainless Steel
Cast Iron
Aluminum
Stainless Steel
Cast Iron
Aluminum
Stainless Steel
Cast Iron