Membrane Pumps | McMaster-Carr

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For Use With

Water with Solids

Ammonium Hydroxide

Chlorine Dioxide

Ethylene Glycol

Discharge Pipe Size

Intake Pipe Size

Power Source

Maximum Flow Rate

15 fl oz/stroke

17 fl oz/stroke

Less than 25 gpm

25 gpm to 49 gpm

50 gpm to 99 gpm

100 gpm to 249 gpm

250 gpm or greater

Housing Material

Stainless Steel

Pump Type

Double Diaphragm

Positive Displacement

Discharge Connection

Without Fittings

Voltage

Priming Type

Intake Connection

Diaphragm Material

Maximum Pressure

Less than 50 psi

50 psi to 99 psi

100 psi to 249 psi

250 psi to 499 psi

500 psi or greater

For Pump Model Number

For Pump Manufacturer

Pump Style

Constant Flow Rate

Maximum Temperature

Less than 150° F

150° F to 174° F

175° F to 199° F

200° F to 249° F

250° F or greater

For Intake/Discharge Pipe Size

Maximum Feet of Head

Less than 100 ft.

100 ft. to 199 ft.

200 ft. to 249 ft.

250 ft. to 299 ft.

300 ft. or greater

Maximum Flow Rate @ 120 Feet of Head

Material

Compressed Fiber

Stainless Steel

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Kit Number

How can we improve?

294 Products

Fluid Handling

Double Diaphragm Pumps

Double Diaphragm Pumps

Transfer liquids, chemicals, and slurries using compressed air

Pump Pulsation Dampers

Pump Pulsation Dampers

Absorb vibration from air-powered pumps to reduce wear and protect inline regulators and gauges

Diaphragm Pumps

Diaphragm Pumps

Draw liquids in and push them out for spraying, draining, and washdowns

Pump Repair Kits

Pump Repair Kits

Keep your diaphragm, circulation, and metering pumps in working order

Peristaltic Pumps

Peristaltic Pumps

Dispense chemicals at set flow rates

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

Drum Pumps

Draw liquids out of drums, pails, and other small containers

Dewatering Pumps

Dewatering Pumps

Remove water or sewage water from jobsites and flooded areas without sump pits

Pump Replacement Parts

Pump Replacement Parts

Replace hoses on metering pumps

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)