Industrial Diaphragm Pumps

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Industrial diaphragm pumps are positive displacement pumps that use a flexible diaphragm to move fluids. They are versatile and can be used in chemical processing, food & beverage,...Read more

StyleModelMPN
ALF121B02DLF121B02D
RFQ
ALF122-002LF122-002
RFQ
ALF122-201LF122-201
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ALF122-202LF122-202
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ALF122-202ALF122-202A
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ALF121421LF121421
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ALF121421DLF121421D
RFQ
ALF122002DLF122002D
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ALF122005DLF122005D
RFQ
ALF122022DLF122022D
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ALF122201DLF122201D
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StyleModelMPN
A03811-03203811-032
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A03811-032A03811-032A
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A03811-04203811-042
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A03811-042A03811-042A
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A03811-04303811-043
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A03811-043A03811-043A
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A03811-13203811-132
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A03811-132A03811-132A
RFQ
A03811-14203811-142
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A03811-142A03811-142A
RFQ
StyleModelMPN
A04406-04304406-043
RFQ
A04406-043A04406-043A
RFQ
A04406-34304406-343
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A04406-343A04406-343A
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StyleModelMPN
A04405-14304405-143
RFQ
A04405-34304405-343
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A04405-44304405-443
RFQ
A04405-443A04405-443A
RFQ
StyleModelMPN
A04325-04304325-043
RFQ
A04325-043A04325-043A
RFQ
A04325-14304325-143
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A04325-143A04325-143A
RFQ
A04325-24204325-242
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A04325-242A04325-242A
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A04325-34304325-343
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A04325-343A04325-343A
RFQ
A04325-44304325-443
RFQ
A04325-443A04325-443A
RFQ
StyleModelMPN
A04306-50004306-500
RFQ
A04306-500A04306-500A
RFQ
StyleModelMPN
A04305-14404305-144
RFQ
A04305-144A04305-144A
RFQ
A04305-144L04305-144L
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A04305-50004305-500
RFQ
A04305-500A04305-500A
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A04305-50204305-502
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A04305-502A04305-502A
RFQ
A04305-503A04305-503A
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A04305-509C04305-509C
RFQ
FLOJET -

4125 Series Bilge Pumps

StyleModelMPN
A04125-01404125-014
RFQ
B04125-014A04125-014A
RFQ
B04125-114A04125-114A
RFQ
A04125-31404125-314
RFQ
A04125-314A04125-314A
RFQ
A04125-41404125-414
RFQ
B04125-414A04125-414A
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A04125-50204125-502
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A04125-50404125-504
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B04125-504A04125-504A
RFQ
FLOJET -

4105 Series Circulation/Feeder Pumps

StyleModelMPN
A04105-14304105-143
RFQ
B04105-143A04105-143A
RFQ
A04105-34304105-343
RFQ
A04105-343A04105-343A
RFQ
A04105-44304105-443
RFQ
A04105-443A04105-443A
RFQ
A04105-50104105-501
RFQ
B04105-501A04105-501A
RFQ
A04105-50304105-503
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B04105-503A04105-503A
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A04105-51204105-512
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A04105-52404105-524
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B04105-524A04105-524A
RFQ
FLOJET -

4100 Series Pumps

StyleModelMPN
A04100-113C04100-113C
RFQ
A04100-12304100-123
RFQ
A04100-123A04100-123A
RFQ
B04100-143A04100-143A
RFQ
A04100-34304100-343
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B04100-343A04100-343A
RFQ
A04100-50004100-500
RFQ
A04100-50304100-503
RFQ
A04100-503A04100-503A
RFQ
A04100-50504100-505
RFQ
A04100-50604100-506
RFQ
A04100-506A04100-506A
RFQ
A04100-50704100-507
RFQ
A04100-507A04100-507A
RFQ
A04100-50904100-509
RFQ
A04100-510A04100-510A
RFQ
A04100-512A04100-512A
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A04100-51304100-513
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A04100-513A04100-513A
RFQ
A04100-51404100-514
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A04100-514A04100-514A
RFQ
A04100-51604100-516
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A04100-516A04100-516A
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A04100-51904100-519
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A04100-519A04100-519A
RFQ
ALEMITE -

Diaphragm Pumps

StyleModelMPNPrice
A83018301€593.65
A83228322€848.06
A8322-A8322-A€859.49
A8322-B8322-B€745.64
A8322-D8322-D€1,027.85
A83238323€1,006.24
A83248324€1,252.76
A83298329€1,906.16
A83408340€3,630.34
StyleModelMPN
ALF521B02DLF521B02D
RFQ
ALF152421DLF152421D
RFQ
ALF172201LF172201
RFQ
ALF172201DLF172201D
RFQ
ALF182201DLF182201D
RFQ
ALF221421LF221421
RFQ
ALF221421DLF221421D
RFQ
ALF221422LF221422
RFQ
ALF221422DLF221422D
RFQ
ALF222202LF222202
RFQ
ALF521401LF521401
RFQ
StyleModelMPNPrice
ALF112-201ALF112-201A€166.08
RFQ
ALF111421DLF111421D-
RFQ
ALF112201DLF112201D-
RFQ
ALF112421LF112421-
RFQ
ALF112421DLF112421D-
RFQ
FLOJET -

Duplex II Series Diaphragm Pumps

StyleModelMPNPrice
AD0631H5011D0631H5011€388.32
RFQ
AD0631H5011BD0631H5011B€388.32
RFQ
AD0631H5021D0631H5021€437.41
RFQ
AD0631H5021AD0631H5021A€437.41
RFQ
AD0631H5021BD0631H5021B€437.41
RFQ
AD0634H7021D0634H7021€466.85
RFQ
AD0634H7021BD0634H7021B€466.85
RFQ
AD0732H5011D0732H5011€417.77
RFQ
AD0732H5011AD0732H5011A€417.77
RFQ
AD0732H5011BD0732H5011B€417.77
RFQ
AD13X003D13X003-
RFQ
AD16X006D16X006-
RFQ
AD16X006AD16X006A-
RFQ
BD21X003D21X003€276.33
RFQ
BD21X005D21X005€276.33
RFQ
AD21X005BD21X005B€276.33
RFQ
AD21X007D21X007€276.33
RFQ
AD21X007AD21X007A€276.33
RFQ
BD27X007D27X007-
RFQ
AD31X010D31X010-
RFQ
AD31X010AD31X010A-
RFQ
AD31X014FD31X014F-
RFQ
AD31X015FD31X015F€270.40
RFQ
AD31X017D31X017-
RFQ
AD31X017AD31X017A-
RFQ
StyleModelMPN
A02130-01202130-012
RFQ
A02130-012-11502130-012-115
RFQ
A02130-012A02130-012A
RFQ
A02130-03002130-030
RFQ
A02130-030-11502130-030-115
RFQ
A02130-030A02130-030A
RFQ
A02130-03102130-031
RFQ
A02130-031-11502130-031-115
RFQ
A02130-031A02130-031A
RFQ
A02130-03202130-032
RFQ
A02130-032-11502130-032-115
RFQ
A02130-032A02130-032A
RFQ
A02130-03402130-034
RFQ
A02130-034-11502130-034-115
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A02130-034A02130-034A
RFQ
A02130-11202130-112
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A02130-112A02130-112A
RFQ
A02130-11402130-114
RFQ
A02130-114A02130-114A
RFQ
A02130-13102130-131
RFQ
A02130-131A02130-131A
RFQ
A02130-13202130-132
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A02130-132A02130-132A
RFQ
A02130-13402130-134
RFQ
A02130-134A02130-134A
RFQ
StyleModelBody MaterialMax. Flow RateMax. Discharge PressureDiaphragm MaterialVoltagePressure OnPower SourceNo. Of DiaphragmsPrice
A02100-212A---------
RFQ
A02100-789---------
RFQ
A02100-869A---------
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A02100-858-115---------
RFQ
A02100-855-115---------
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A02100-848---------
RFQ
A02100-840A---------
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A02100-831A---------
RFQ
A02100-815A---------
RFQ
A02100-804---------
RFQ
A02100-556---------
RFQ
A02100-894---------
RFQ
A02100-332A---------
RFQ
A02100-230A---------
RFQ
A02100-135A---------
RFQ
A02100-134A---------
RFQ
A02100-134---------
RFQ
A02100-132---------
RFQ
A02100-945---------
RFQ
A02100-943A---------
RFQ
A02100-883---------
RFQ
A02100-897A---------
RFQ
A02100-942A---------
RFQ
A02100-012-115---------
RFQ
A02100-022---------
RFQ
StyleModelMPN
AQ351F-118S-2PQ351F-118S-2P
RFQ
AQ351F-168S-2PQ351F-168S-2P
RFQ
AQ352F-118S-2PQ352F-118S-2P
RFQ
AQ451F-118S-2PQ451F-118S-2P
RFQ
AQ451F-168S-2PQ451F-168S-2P
RFQ
AQ452F-118S-2PQ452F-118S-2P
RFQ
AQ452F-168S-2PQ452F-168S-2P
RFQ
StyleModelMPN
A08500044A08500044A
RFQ
A08500500A08500500A
RFQ
A08500501A08500501A
RFQ
A08600044A08600044A
RFQ
A08601044A08601044A
RFQ
A08601500A08601500A
RFQ
A08601501A08601501A
RFQ
AR8500134AR8500134A
RFQ
AR8500144AR8500144A
RFQ
AR8500334AR8500334A
RFQ
AR8500344AR8500344A
RFQ
AR8600134AR8600134A
RFQ
AR8600144AR8600144A
RFQ
AR8600334AR8600334A
RFQ
AR8600344AR8600344A
RFQ
StyleModelMPNPrice
A2100-122100-12-
RFQ
A2100-7402100-740€343.18
RFQ
A2100-7502100-750-
RFQ
A2100-9162100-916-
RFQ
A2100-9192100-919-
RFQ
A2125-030A2125-030A-
RFQ
A2125-2302125-230-
RFQ
A2125-5072125-507-
RFQ
FLOJET -

General Industrial Pump Duplex

StyleModelMax. Flow RateDiaphragm MaterialCheck Valve MaterialPressure OnPressure SwitchBody MaterialMax. Discharge PressureVoltagePrice
AD3835H5011A2 GPMEthylene PropyleneEPDM40 psiNoPolypropylene100 psi120V AC€393.49
BD3835V5011A2 GPMFKMViton40 psiYesPolypropylene100 psi120V AC€469.98
BD3835B5011A2 GPMBuna NBuna N40 psiYesPolypropylene100 psi120V AC€404.33
BD3835E7011A2 GPMEPDMEPDM80 psiYesPolypropylene100 psi120V AC€489.29
StyleModelMPN
A02135-01202135-012
RFQ
A02135-012-11502135-012-115
RFQ
A02135-012A02135-012A
RFQ
A02135-02202135-022
RFQ
A02135-022-11502135-022-115
RFQ
A02135-022A02135-022A
RFQ
A02135-03002135-030
RFQ
A02135-030-11502135-030-115
RFQ
A02135-030A02135-030A
RFQ
A02135-03202135-032
RFQ
A02135-032-11502135-032-115
RFQ
A02135-032A02135-032A
RFQ
A02135-11202135-112
RFQ
A02135-112A02135-112A
RFQ
A02135-13002135-130
RFQ
A02135-130A02135-130A
RFQ
A02135-13102135-131
RFQ
A02135-131A02135-131A
RFQ
A02135-13202135-132
RFQ
A02135-132A02135-132A
RFQ
A02135-13402135-134
RFQ
A02135-134A02135-134A
RFQ
A02135-23202135-232
RFQ
A02135-232A02135-232A
RFQ
A02135-33202135-332
RFQ
12...1718

Industrial Diaphragm Pumps

Flojet industrial-grade diaphragm pumps are designed to transfer liquids with low, medium or high viscosities. These pumps feature a polypropylene housing combined with a sealed motor that enables the pump to handle a higher dry vacuum. The self-priming design of these pumps allows them to be installed above the supply tank level. They are further integrated with a sealed pressure switch that automatically starts and stops the pump when the discharge valve opens and closes, respectively. Selected models come with a built-in thermal protector to switch off the device, in case of overloading. Choose from a wide range of these diaphragm pumps available in flow rates ranging from 2.3 to 3.5 gpm, on Raptor Supplies.

Working Mechanism

  • Industrial diaphragm pumps use a flexible diaphragm as their main component.
  • When the diaphragm moves, it creates a vacuum, drawing fluid through an inlet valve.
  • As the diaphragm reverses its motion, it pressurises the fluid, forcing it out through an outlet valve.
  • The diaphragm's back-and-forth motion moves fluid through the system.

Frequently Asked Questions

What is the difference between single diaphragm and double diaphragm pumps?

Single diaphragm pumps have one diaphragm, while double diaphragm pumps have two diaphragms that work alternately, providing continuous fluid flow.

What are the safety considerations when using diaphragm pumps?

Safety precautions include proper installation, maintenance and the use of appropriate protective equipment, especially when handling hazardous chemicals.

What is the difference between air-operated diaphragm pumps and electric diaphragm pumps?

Air-operated diaphragm pumps use compressed air to move the diaphragm, while electric diaphragm pumps use an electric motor. Air-operated pumps are often chosen for their explosion-proof and portable nature.