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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.

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ARO 66M250-1EB-CA
ARO 6661A3-344-CB
ARO 6662B3-311-CC
ARO 66605J-388D
ARO 666111-244-CE
ARO PD03P-ALS-KAAF
ARO PD05P-ARS-PAA-BG
ARO PD05R-AAS-PGG-BH
ARO PD03P-APS-PAAI
ARO 666300-G22-CJ
ARO 650718-CK
ARO 650719-CL
ARO PD07P-APS-PAAM
ARO 666250-G22-CN
ARO 66630C-8EB-C-GO
ARO 666053-3EBP
ARO 6661AJ-3EB-CQ
ARO 666150-244-CR
ARO PD05R-AAS-STT-BS
ARO 650715-CT
ARO PD05R-AAS-PAA-BU
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
StyleModelConnection StyleMax. Dia. SolidsBall MaterialDiaphragm MaterialHeightInlet/Outlet SizeLengthBody MaterialPrice
A
66M250-1EB-C		-3/4"Santoprene(R)Santoprene(R)-2"-Aluminum£3,596.99
A
66M300-1EB-C		-1"Santoprene(R)Santoprene(R)-3"-Aluminum£6,941.40
A
66M150-1EB-C		-1/2"Santoprene(R)Santoprene(R)-1.5"-Aluminum£3,032.68
B
6661A3-344-C		Flanged1/8"PTFEPTFE11.75"1"17.5"Polypropylene£2,675.16
C
6662B3-311-C		Flanged1/4"NeopreneNeoprene24.63"2"19 23/32"Polypropylene£6,429.11
B
6661U3-311-C		Flanged1/4"NeopreneNeoprene24.63"1.5"19 23/32"Polypropylene£4,531.65
B
6661U3-344-C		Flanged1/4"PTFEPTFE24.63"1.5"19 23/32"Polypropylene£5,657.53
B
6662B3-344-C		Flanged1/4"PTFEPTFE24.63"2"19 23/32"Polypropylene£8,820.14
B
6661A3-34B-C		Flanged1/8"PTFESantoprene(R)-1"-Polypropylene£2,142.12
D
66605J-388		FNPT--Polyurethane11.3"1/2"8.4"-£918.51
E
666111-244-C		NPT1/8"PTFEPTFE-1"-Stainless Steel£5,134.14
E
666100-244-C		NPT1/8"PTFEPTFE14"1"9"Aluminum£2,282.81
F
PD03P-ALS-KAA		NPT1/16"Santoprene(R)Santoprene(R)-3/8"-Kynar(R)£1,114.19
G
PD05P-ARS-PAA-B		NPT3/32"Santoprene(R)Santoprene(R)11.625"1/2"13.75"Polypropylene£1,013.79
G
PD05P-ARS-PTT-B		NPT3/32"PTFEPTFE11.75"1/2"13 29/32"Polypropylene£1,145.72
H
PD05R-AAS-PGG-B		NPT3/32"NitrileNitrile11.75"1/2"8 7/32"Aluminum£1,423.56
G
PD05P-ARS-PGG-B		NPT3/32"NitrileNitrile10.875"1/2"10"Polypropylene£1,181.28
I
PD03P-APS-PAA		NPT1/16"Santoprene(R)Santoprene(R)9 7/32"3/8"7 29/32"Polypropylene£789.96
G
PD05P-AES-DTT-B		NPT3/32"PTFEPTFE10.875"1/2"10"Acetal£2,285.01
J
666300-G22-C		NPT3/8"NitrileNitrile32 9/32"3"22 7/32"Aluminum£6,018.83
G
PD03P-AES-DTT		NPT1/16"PTFEPTFE10.875"3/8"10"Acetal£1,324.53
I
PD03P-AKS-KAA		NPT1/16"Santoprene(R)Santoprene(R)-3/8"-Kynar(R)£1,246.63
H
PD05R-ASS-SAA-B		NPT3/32"Santoprene(R)Santoprene(R)-1/2"-Stainless Steel£3,140.01
E
666100-3EB-C		NPT1/8"Santoprene(R)Santoprene(R)12.5"1"8 9/16"Aluminum£1,716.34
E
666150-3EB-C		NPT1/4"Santoprene(R)Santoprene(R)-1.5"-Aluminum£2,072.85
K
650718-C		NPT1/4"AcetalViton(R)14.5"1.5"23.75"Aluminum£3,611.82
L
650719-C		NPT1/4"AcetalViton(R)19 13/16"2"18.375"Aluminum£4,870.93
E
666102-2EB-C		NPT1/8"Santoprene(R)Santoprene(R)12.5"1"8 9/16"Cast-Iron£2,553.91
M
PD07P-APS-PAA		NPT1/8"Santoprene(R)Santoprene(R)11.75"3/4"13 29/32"Polypropylene£1,084.00
M
PD07P-APS-PTT		NPT1/8"PTFEPTFE14.13"3/4"11.75"Polypropylene£1,332.60
G
PD07R-AAS-PCC		NPT3/32"HytrelHytrel11.875"3/4"9 9/32"Aluminum£1,791.57
G
PD07R-AAS-PTT		NPT3/32"PTFEPTFE10.875"3/4"10"Aluminum£2,228.21
K
670042		NPT3/32"Viton(R)Viton(R)11.75"1/2"8 7/32"Aluminum£1,740.68
N
666250-G22-C		NPT1/4"NitrileNitrile-2"-Aluminum£3,521.22
O
66630C-8EB-C-G		NPT3/8"Santoprene(R)Santoprene(R)-3"-Cast-Iron£10,213.35
A
66M300-122-C		NPT1"NitrileNitrile32.625"3"26 13/16"Aluminum£7,295.13
P
666053-3EB		NPT3/32"Santoprene(R)Santoprene(R)7.25"1/2"14"Polypropylene£966.25
A
66M250-122-C		NPT3/4"NitrileNitrile26 23/32"2"25.593Aluminum£4,241.84
Q
6661AJ-3EB-C		NPT1/8"Santoprene(R)Santoprene(R)-1"-Polypropylene£1,656.93
G
PD05P-ALS-KAA-B		NPT3/32"Santoprene(R)Santoprene(R)-1/2"-Kynar(R)£2,426.85
E
666101-2EB-C		NPT1/8"Santoprene(R)Santoprene(R)12.5"1"8 9/16"Stainless Steel£4,069.17
D
66605J-3EB		NPT3/32"Santoprene(R)Santoprene(R)7.25"1/2"11.5"Polypropylene£1,043.85
R
666150-244-C		NPT1/4"PTFEPTFE-1.5"-Aluminum£3,602.32
R
666161-244-C		NPT1/4"PTFEPTFE-1.5"-Stainless Steel£7,332.53
R
666151-24B-C		NPT1/4"Santoprene(R)Santoprene(R)-1.5"-Stainless Steel£6,534.73
H
PD05R-ASS-STT-B		NPT3/32"PTFEPTFE11.625"1/2"13.75"Stainless Steel£3,220.42
S
PD05R-AAS-STT-B		NPT3/32"PTFEPTFE11.75"1/2"8 7/32"Aluminum£1,955.76
G
PD05P-ALS-KTT-B		NPT3/32"PTFEPTFE11.5"1/2"13.75"Kynar(R)£2,647.85
I
PD03P-APS-PTT		NPT1/16"PTFEPTFE9 7/32"3/8"7 29/32"Polypropylene£778.90
T
650715-C		NPT1/8"AcetalNitrile11.75"3/4" / 1"15.25"Aluminum£1,956.75
P
666053-388		NPT3/32"UrethaneUrethane7.25"1/2"14"Polypropylene£1,046.55
D
66605J-344		NPT3/32"PTFEPTFE7.5"1/2"11.75"Polypropylene£1,287.45
I
PD03P-ADS-DTT		NPT1/16"PTFEPTFE10.875"3/8"10"Acetal£1,278.30
Q
6661AJ-344-C		NPT1/8"PTFEPTFE-1"-Polypropylene£2,087.83
G
PD03P-AES-DCC		NPT1/16"HytrelHytrel10.875"3/8"10"Acetal£1,189.75
G
PD03P-ALS-KTT		NPT1/16"PTFEPTFE-3/8"-Kynar(R)£1,297.81
E
666100-362-C		NPT1/8"AcetalNitrile-1"-Aluminum£1,638.73
G
PD05P-AES-DAA-B		NPT3/32"Santoprene(R)Santoprene(R)10.875"1/2"10"Acetal£1,792.24
P
666053-344		NPT3/32"PTFEPTFE7.5"1/2"13.75"Polypropylene£1,311.25
U
PD05R-AAS-PAA-B		NPT3/32"Santoprene(R)Santoprene(R)11.75"1/2"8 7/32"Aluminum£1,351.68
G
PD03P-ARS-PAA		NPT1/16"Santoprene(R)Santoprene(R)10.875"3/8"10"Polypropylene£705.42

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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