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ARO Double Diaphragm Pumps


ARO double diaphragm pumps are a kind of positive displacement pump that circulates fluid using two flexible diaphragms. They are frequently used for liquid transfer and dispensing, and they can handle a variety of fluids, including corrosive, viscous, and abrasive liquids.

Filter
ARO 66605J-388A
ARO 66M300-1EB-CB
ARO 666250-G22-CC
ARO 666251-EEB-CD
ARO 6661U3-344-CE
ARO 666150-362-CF
ARO 650719-CG
ARO 650718-CH
ARO 666150-244-CI
ARO 6662B3-311-CJ
ARO PD07P-APS-PTTK
ARO 6661AJ-322-CL
ARO 650715-CM
ARO PD03P-ADS-DCCN
ARO PD03P-ARS-PAAO
ARO PD03P-ALS-KAAP
ARO 666300-G22-CQ
ARO 66630C-8EB-C-GR
ARO 666053-3EBS
ARO PD05R-AAS-STT-BT
ARO PD05R-ASS-SAA-BU
ARO PD05R-AAS-PAA-BV
Display Qty: 1 , Flow Rate @ 100 psi: 13.1 gpm , Flow Rate @ 40 psi: 9.2 gpm , Flow Rate @ 50 psi: 10.2 gpm , Flow Rate @ 60 psi: 11.1 gpm , Flow Rate @ 70 psi: 12.1 gpm , Flow Rate @ 80 PSI: 12.6 gpm , Flow Rate @ 90 psi: 12.9 gpm , Max. Feet of Head: 289 ft. , Max. Solid Dia.: 0.09" , Max. Viscosity: 15000 cps , Min. Temp.: -10 Deg. F , Operation Type: Air Operated , Priming: Self Priming , Valve Type: Ball
StyleModelMax. Dia. SolidsBall MaterialBody MaterialMax. FlowMax. Operating PressureMax. Temp.WidthConnection StylePrice
A
66605J-388		---13.1 gpm100 psi150° F6.5"FNPT€1,210.39
B
66M300-1EB-C		1"Santoprene(R)Aluminum217 gpm120 psi200 Degrees F--€7,317.74
B
66M300-122-C		1"NitrileAluminum217 gpm120 psi180 Degrees F16"NPT€7,690.65
B
66M150-1EB-C		1/2"Santoprene(R)Aluminum80 GPM120 psi200 Degrees F--€3,197.11
B
66M150-122-C		1/2"NitrileAluminum80 GPM120 psi180 Degrees F11.5"NPT€3,144.13
C
666250-G22-C		1/4"NitrileAluminum172 gpm120 psi180 Degrees F-NPT€3,712.13
D
666251-EEB-C		1/4"Santoprene(R)Stainless Steel172 gpm120 psi200 Degrees F-NPT€10,420.75
E
6661U3-344-C		1/4"PTFEPolypropylene100 GPM120 psi150 Degrees F11 15/16"Flanged€5,964.26
F
666150-362-C		1/4"AcetalAluminum90 GPM120 psi150 Degrees F16"NPT€2,765.12
E
6661U3-311-C		1/4"NeoprenePolypropylene100 GPM120 psi150 Degrees F11 15/16"Flanged€4,777.34
G
650719-C		1/4"AcetalAluminum105 gpm50 psi180 Degrees F-NPT€5,135.01
H
650718-C		1/4"AcetalAluminum75 gpm50 psi180 Degrees F15.25"NPT€3,807.64
E
6662B3-344-C		1/4"PTFEPolypropylene139 gpm120 psi150 Degrees F11 15/16"Flanged€9,298.34
I
666150-244-C		1/4"PTFEAluminum90 GPM120 psi200 Degrees F-NPT€3,797.63
I
666161-244-C		1/4"PTFEStainless Steel90 GPM120 psi200 Degrees F-NPT€7,730.07
F
666150-3EB-C		1/4"Santoprene(R)Aluminum90 GPM120 psi150 Degrees F-NPT€2,731.54
I
666151-24B-C		1/4"Santoprene(R)Stainless Steel90 GPM120 psi200 Degrees F-NPT€6,889.02
J
6662B3-311-C		1/4"NeoprenePolypropylene139 gpm120 psi150 Degrees F11 15/16"Flanged€6,777.67
I
666152-2EB-C		1/4"Santoprene(R)Cast-Iron90 GPM120 psi200 Degrees F-NPT€3,247.62
E
6661A3-344-C		1/8"PTFEPolypropylene40 GPM120 psi150 Degrees F15.25"Flanged€2,820.20
K
PD07P-APS-PTT		1/8"PTFEPolypropylene15 gpm100 psi150 Degrees F7.75"NPT€1,756.06
E
6661A3-34B-C		1/8"PTFEPolypropylene40 GPM120 psi150 Degrees F-Flanged€2,258.26
F
666111-244-C		1/8"PTFEStainless Steel35 GPM120 psi200 Degrees F-NPT€5,412.50
F
666101-2EB-C		1/8"Santoprene(R)Stainless Steel35 GPM120 psi200 Degrees F8"NPT€4,289.79
F
666100-244-C		1/8"PTFEAluminum35 GPM120 psi200 Degrees F9.5"NPT€3,008.22
L
6661AJ-322-C		1/8"NitrilePolypropylene40 GPM120 psi150 Degrees F-NPT€2,106.38
F
666102-2EB-C		1/8"Santoprene(R)Cast-Iron35 GPM120 psi200 Degrees F8"NPT€2,692.37
L
6661AJ-3EB-C		1/8"Santoprene(R)Polypropylene40 GPM120 psi150 Degrees F-NPT€1,746.77
K
PD07P-APS-PAA		1/8"Santoprene(R)Polypropylene15 gpm100 psi150 Degrees F7.75"NPT€1,428.46
F
666100-362-C		1/8"AcetalAluminum35 GPM120 psi150 Degrees F-NPT€2,159.47
F
666100-3EB-C		1/8"Santoprene(R)Aluminum35 GPM120 psi150 Degrees F8"NPT€2,261.74
M
650715-C		1/8"AcetalAluminum35 GPM120 psi150 Degrees F17.88"NPT€2,062.84
L
6661AJ-344-C		1/8"PTFEPolypropylene40 GPM120 psi150 Degrees F-NPT€2,751.28
N
PD03P-ADS-DCC		1/16"HytrelAcetal10.6 gpm100 psi180 Degrees F6 23/32"NPT€1,154.13
N
PD03P-APS-PAA		1/16"Santoprene(R)Polypropylene10.6 gpm100 psi150 Degrees F5 23/32"NPT€832.79
O
PD03P-ARS-PAA		1/16"Santoprene(R)Polypropylene10.6 gpm100 psi150 Degrees F6 23/32"NPT€743.66
N
PD03P-ADS-DTT		1/16"PTFEAcetal10.6 gpm100 psi180 Degrees F6 23/32"NPT€1,347.61
O
PD03P-AES-DTT		1/16"PTFEAcetal10.6 gpm100 psi180 Degrees F6 23/32"NPT€1,396.34
N
PD03P-AKS-KTT		1/16"PTFEKynar(R)10.6 gpm100 psi200 Degrees F6 23/32"NPT€1,424.92
O
PD03P-AES-DCC		1/16"HytrelAcetal10.6 gpm100 psi180 Degrees F6 23/32"NPT€1,254.25
O
PD03P-ALS-KTT		1/16"PTFEKynar(R)10.6 gpm100 psi200 Degrees F-NPT€1,368.18
N
PD03P-AKS-KAA		1/16"Santoprene(R)Kynar(R)10.6 gpm100 psi200 Degrees F-NPT€1,314.22
P
PD03P-ALS-KAA		1/16"Santoprene(R)Kynar(R)10.6 gpm100 psi200 Degrees F-NPT€1,174.60
N
PD03P-APS-PTT		1/16"PTFEPolypropylene10.6 gpm100 psi150 Degrees F5 23/32"NPT€1,026.41
B
66M250-1EB-C		3/4"Santoprene(R)Aluminum156 gpm120 psi200 Degrees F--€3,792.01
B
66M250-122-C		3/4"NitrileAluminum156 gpm120 psi180 Degrees F13"NPT€4,471.82
Q
666300-G22-C		3/8"NitrileAluminum-120 psi180 Degrees F16"NPT€6,345.15
R
66630C-8EB-C-G		3/8"Santoprene(R)Cast-Iron237 gpm120 psi200 Degrees F-NPT€10,767.08
S
666053-3EB		3/32"Santoprene(R)Polypropylene13 GPM100 psi150 Degrees F12"NPT€1,273.30
S
666053-344		3/32"PTFEPolypropylene13 GPM100 psi150 Degrees F11.75"NPT€1,727.93
O
PD05P-ALS-KAA-B		3/32"Santoprene(R)Kynar(R)14 GPM100 psi200 Degrees F-NPT€2,558.43
O
PD05P-ARS-PGG-B		3/32"NitrilePolypropylene14 GPM100 psi150 Degrees F6 23/32"NPT€1,245.33
T
PD05R-AAS-STT-B		3/32"PTFEAluminum12 gpm100 psi200 Degrees F8 3/32"NPT€2,061.79
O
PD05P-ARS-PTT-B		3/32"PTFEPolypropylene14 GPM100 psi150 Degrees F7.75"NPT€1,509.80
O
PD05P-ARS-PAA-B		3/32"Santoprene(R)Polypropylene14 GPM100 psi150 Degrees F7.5"NPT€1,335.94
U
PD05R-ASS-SAA-B		3/32"Santoprene(R)Stainless Steel12 gpm100 psi200 Degrees F-NPT€3,310.26
V
PD05R-AAS-PAA-B		3/32"Santoprene(R)Aluminum12 gpm100 psi150 Degrees F8.187"NPT€1,424.97
H
670042		3/32"Viton(R)Aluminum12 gpm50 psi180 Degrees F8.187"NPT€2,293.82
O
PD07R-AAS-PCC		3/32"HytrelAluminum14 GPM100 psi150 Degrees F6 23/32"NPT€1,888.70
U
PD05R-ASS-STT-B		3/32"PTFEStainless Steel12 gpm100 psi200 Degrees F7.5"NPT€3,395.02
O
PD05P-ALS-KTT-B		3/32"PTFEKynar(R)14 GPM100 psi200 Degrees F7.5"NPT€2,791.41

Working Mechanism

  • A motor drives a crankshaft / camshaft that moves connecting rods back and forth.
  • Rubber or plastic diaphragms attach the connecting rods to the diaphragms.
  • As the diaphragms move back and forth, a pumping action is created that moves the fluid through the pump.
  • Then the fluid enters the pump through an inlet port and is trapped between the two diaphragms.
  • As the diaphragms move back and forth, the fluid is forced through the outlet port.
  • The pump is then adjusted to vary the pressure and flow rate by adjusting the speed of the motor / by changing the inlet and outlet ports' size.

Features

  • These ARO diaphragm pumps are equipped with Viton / neoprene / nitrile / PTFE / Santoprene diaphragms for excellent thermal stability and abrasion resistance.
  • They feature polypropylene / stainless steel / aluminium body construction for structural rigidity and resisting corrosion on exposed surfaces.
  • They further feature an unbalanced air valve design that ensures ice-free, stall-free operation.
  • These ARO diaphragm pumps are equipped with a pneumatic motor for use in potentially explosive areas.

Standards and Approvals

  • ATEX

Frequently Asked Questions

What is the maximum flow rate of these ARO pumps?

275 gallons/minute.

Can a diaphragm pump be operated continuously?

Yes, these diaphragm pumps can be operated continuously without any structural or technical dysfunctionality.

Can these double diaphragm pumps prevent contamination?

Yes, these ARO diaphragm pumps have bolted, leak-free construction to remove cross-contamination and ensure user safety.

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