Wilden sanitary pump

Wilden sanitary/hygienic air operated diaphragm pump

Wilden is a worldwide leader in hygienic and biopharmaceutical air-operated double-diaphragm pumps and provides a wide spectrum of solutions for various applications in the food, beverage, dairy, body care and biopharmaceutical industries. Wilden's Saniflo FDA and Hygienic HS AODD pumps were developed to meet the highest standards and requirements in the industry.


Technology: Compressed-air-driven double-diaphragm displacement pumps in hygienic/sanitary design 

Wilden's sanitary/hygienic and biopharmaceutical AODD pumps have the versatility, security and capacity to pump a variety of viscosities, solids and shear-sensitive products efficiently.

These pumps are provided with stainless steel components and are available in a variety of sizes and with different surface finishes. All Saniflo pumps have clamp connectors for easy cleaning in the right place (CIP). Three air distribution systems (ADS) are available for Saniflo pumps, including the revolutionary, patent-pending Pro-Flo™ SHIFT, featuring 60% less air consumption, more yield per SCFM, precisely metered air consumption for reduced product waste and MTBR.

As a globally leading provider of air-operated double-diaphragm (AODD) pump technology, Wilden is on hand to support your industry. Wilden is aware that safety, security, performance, hygienic requirements and careful transport of your products are determining factors in your choice of process equipment.



Saniflo Hygienic HS pump confirmity

  • 3-A
  • FDA CFR 21.177
  • USP Class VI
  • 1935/2004/EC
  • ATEX
  • CE

Saniflo FDA pump confirmity

  • FDA CFR 21.177
  • USP Class VI
  • 1935/2004/EC
  • USP Class VI
  • ATEX
  • CE


  • Higher flow rates and increased pump output
  • Multiple hygienic/sanitary elastomers available
  • Clamp connectors for faster maintenance and CIP cleaning
  • Variable flow and pressure
  • Suitable for shear-sensitive fluids
  • Self-priming
  • Dry-run safe
  • Transportable and submersible 
  • Solid material passage
  • Offset valve housing for easy alignment
  • Simple operation and maintenance
  • Maximum mean time between repairs (MTBR)
  • No dry-run damage
  • Lubrication-free operation
  • Increased on/off reliability
  • Higher flow rate per SCFM inlet
  • Reduced air and kilowatt consumption
  • Lower operating costs and less downtime

Technical data

Type Connection Flow rate max. [l/min] Discharge pressure max. [bar]
P1 - 13 mm (1/2'') Saniflo FDA Metal Pump 1/2" 58.7 8.6
PS1 – 1/2" / 13 mm Saniflo FDA Original Metal Pump 1/2" 60.2 8.6
PX1 - 13 mm (1/2'') Saniflo FDA Metal Pump 1/2" 62.8 8.6
P2 - 25 mm (1") Saniflo FDA Metal Pump 1" 172 8.6
PX2 - 25mm (1") Saniflo Hygienic™ HS Metal Pump 1" 144 8.6
P4 - 38 mm (1-1/2'') Saniflo FDA Metal Pump 1-1/2" 289 8.6
PS4- 38 mm (1-1/2”) Saniflo™ Hygienic Series HS Metal Pump 1-1/2" 357 8.6
PS4 – 1 1/2” / 38 mm Saniflo FDA Original Metal Pump 1-1/2" 375 8.6
P8 - 51 mm (2'') Saniflo FDA Metal Pump 2" 591 8.6
PS8 – 2” / 51 mm Saniflo FDA Original Metal Pump 2" 375 8.6
PS8- 51 mm (2”) Saniflo™ Hygienic™ Series Metal Pump 2" 575 8.6
H1500 – 76 mm (3”) Saniflo HS High Pressure Advanced Metal Pump 3" 291 17.2
PS15 – 3” / 76 mm Saniflo FDA Original Metal Pump 3" 927 8.6
PS15 - 76 mm (3”) Saniflo™ Hygienic™ Series Metal Pump 3" 844 8.6


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Processes with strict quality and hygiene requirements, such as GMP or the need to avoid preservatives, require the right equipment. We support you in the selection and the design of hygienic components and systems for producing personal care products. Contact our experts and let us advise you – we will work with you to develop customized metering solutions for your process, such as for manufacturing personal care products.

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Pumps and Systems for the Pharmaceuticals, Life Sciences and Biotechnology Industries

As the leading manufacturer of pumps and pump systems for the pharmaceutical, life sciences, and biotechnology industries, LEWA supports you during the development of complete solutions, which meet your process requirements exactly. Special expertise is required in the production of pharmaceuticals in order to ensure that legal requirements are met. Reliability when it comes to production, documentation, and validation are our top priorities.

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Pumps and Systems for the Food and Beverage Industry

LEWA supports producers and plant construction companies in the food and beverage industries with pumps and systems for homogenization and dispersion, as well as for other processing operations in the food industry. We work with you to plan all the important process-related operations, such as conveying, metering, mixing, heating, and cooling so that you can process your raw product cost-effectively.

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Pumps and Metering Systems for Other Industries

LEWA offers customized solutions and references for almost all industries in which processes require exact metering or the reliable conveyance of fluids. As specialists in fluid handling, we of course also have experience in areas outside of our key markets.

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