AIR-OPERATED DIAPHRAGM PUMPS
Keep your process moving.
Discover diaphragm pumps across leading brands. Compare configurations and find the right starting point for your process.
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 conversationConnect with Kevin in Shanghai
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.
9 product suggestions
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WILDEN / Pro-Flo®View specifications
WILDEN 04-13761
P4/WMAPP/ZWS/WF/WFNominal size1.5 inch
MaterialIron
WILDEN / Pro-Flo® SHIFTView specifications
WILDEN 08-14952
PS8/SSSPP/TWS/TF/STFNominal size2 inch
MaterialStainless steel
WILDEN / Pro-Flo®View specifications
WILDEN 02-12840
P200/PKPPP/TWS/WF/PWFNominal size1 inch
MaterialPolypropylene
WILDEN / Pro-Flo® SHIFTView specifications
WILDEN 04-13481
PS400/KKPPP/TWS/TF/KTV/0502Nominal size1.5 inch
MaterialPVDF
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.
Ask Kevin for selection helpRECOMMENDED SPARE PARTS
Keep your pump working.
Find components by part number and material.
6 product suggestions
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WILDEN / Pro-Flo® SHIFT, Pro-Flo® XView specifications
WILDEN 15-1325-57
Part typeGasket
MaterialFood Grade Santoprene
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.
Browse the technical library 
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INSIGHTS & NEWS
Explore all articles Ideas for a better transfer.
Practical reading for selection, operation and maintenance.
A better paint changeover starts before the next batch
Bring the coating, the cleaning fluid and the transfer layout into one operating brief.
Read the article
The pump is cycling. Why is the liquid flow low?
Separate an air-supply problem from a liquid-supply problem before changing the pump configuration.
Read article
Chemical compatibility is more than the pump body
A complete material check follows the fluid through every wetted component and the cleaning cycle.
Read articleA USEFUL STARTING POINT
Start with the fluid, the duty and the complete model code. The details make the difference.