AIR-OPERATED & ELECTRIC DIAPHRAGM PUMPS
Keep your process moving.
Explore diaphragm pumps and replacement parts. Compare specifications and contact WILLEE for product selection and supply.
WILLEE Pump technology · Shanghai
FROM REQUIREMENT TO SHORTLIST
Your process. Your pump.
Start with your duty. Narrow the options by brand, port size, flow range and wetted materials.
Brand & sizeFlow rangeWetted materials
DIAPHRAGMS · BALLS · SEATS · REPAIR KITS
Small parts. Big difference.
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Pumps & replacement partsA connected product range
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Specifications in focusCompare the details that matter
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A direct conversationSelection and purchasing support
OUR BRAND PORTFOLIO
Leading brands. One destination.
ALL-FLO
Air-operated diaphragm pumps in metal and plastic, for chemical transfer, coatings and everyday industrial duties.
ARO
Pneumatic and electric diaphragm pumps for transfer, dosing and dispensing, including EXP, PRO and EVO families.
GRACO
HUSKY air-operated diaphragm pump families from Graco, with metallic and non-metallic options for industrial fluid handling.
SANDPIPER
Air-operated diaphragm pumps with ball and flap valve designs, for a range of industrial fluid transfer applications.
WILDEN
Air-operated diaphragm pumps with Pro-Flo and Pro-Flo SHIFT technology, in metallic and non-metallic configurations.
YAMADA
NDP series air-operated diaphragm pumps, with metal and plastic constructions for process fluid transfer.
QUICK PRODUCT SELECTION
Find the right product.
Choose a category and combine specifications to narrow your selection.
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WILDEN / Pro-Flo®View specifications
WILDEN 02-11338
P230/SSPPP/VTS/VT/STFNominal size1 inch
MaterialStainless steel
ARO / Compact SeriesView specifications
ARO PE05R-BSS-STT-BG0
Nominal size0.5 inch
MaterialStainless steel
ALL-FLO / MAX-PASS (S Series)View specifications
ALL-FLO S100-FPK-V5KV-S70
Nominal size1 inch
MaterialPVDF
SANDPIPER / S1F Non-MetallicView specifications
SANDPIPER S1FB3P1PPUS000
Nominal size1 inch
MaterialPolypropylene
WILDEN / Pro-Flo XView specifications
WILDEN 01-10952
XPX1/SSAAA/BNS/BN/SBN/0014Nominal size0.5 inch
MaterialStainless steel
Match the configuration to your application.
Filters use the specifications recorded for each model. Maximum flow is a published limit, not the flow at your operating pressure.
Contact WILLEERECOMMENDED SPARE PARTS
Keep your pump working.
Find components by part number and material.
Featured products. Search the full catalog using the filters.
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WILDEN / Pro-Flo® SHIFT, Pro-Flo®, Pro-Flo® X, High PressureView specifications
WILDEN 02-3210-55-225
Part typeAir Valve
MaterialPTFE
ALL-FLO / A SeriesView specifications
ALL-FLO AWE-300-SS3E-M
Part typeRepair Kit Wet
MaterialSantoprene
WILDEN / High PressureView specifications
WILDEN 08-5020-02-62
Part typeManifold (Discharge)
MaterialIron
APPLICATIONS / PROCESS FIRST
Explore 12 applications Built around your process.
Chemical processing
From storage to blending. Start with fluid compatibility.
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Paints, inks & coatings
Move pigments and formulations through your process.
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Water & wastewater
Match the transfer duty to the solids and site conditions.
Explore application
Food & beverage
Choose around the ingredient and the cleaning cycle.
Explore applicationAlso explore personal care, mining, battery materials and more.
TECHNICAL LIBRARYClear information.
Clear information.
Confident decisions.
Find the guide for your next selection, or the manual for the equipment already on your line.
01Selection guidesCompare families and configurations.02OEM installation manualsMatch the complete model and revision.
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INSIGHTS & NEWS
Explore all articles Ideas for a better transfer.
Practical reading for selection, operation and maintenance.
Industrial diaphragm pump procurement: separate pass-fail requirements from scoring
A practical bid-evaluation method that prevents a low price from outweighing an unresolved technical requirement.
Read the article
Genuine pump parts receiving: three checks that a label cannot replace
Separate supply-chain evidence, component identity and physical condition when accepting replacement parts.
Read article
YAMADA NDP replacement: perform a dimensional fit-gap review
Compare mounting, port centerlines and maintenance access using the correct YAMADA NDP dimensional data.
Read articleA USEFUL STARTING POINT
Start with the fluid, the duty and the complete model code. The details make the difference.