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Self-priming, dry-running resistant, solid handling*1, air-operated double diaphragm pump with maintenance-free, non-freezing and basically dead-point free air control valve.
Design also according to ATEX 2014/34/EU.

Versa-Matic® enhances the standard for pumping performance with the next generation in Elima-Matic® technology. As the name suggests, Elima-Matic® pumps virtually eliminate pumping problems to keep your operations running smoothly. Elima-Matic® pumps are available in a variety of non-metallic and metallic materials, such as polypropylene, acetal, aluminum, and stainless steel. Sizes range from 1/4" to 3" and specialty features are available, including clamped design, bolted design, split manifold, and side discharge.


  • Flexible installation
    • Dry running resistant
    • Dry self-priming
    • Submersible
    • NPT, BSP, Tri-Clamp or flange connections
  • Exchangeable with Wilden® pumps and spare parts
  • Low maintenance
    • Maintenance-friendly design reduces running-costs and simplifies maintenance
    • Original part kits with all required parts
    • Air control valve with one moving part
  • Durable and reliable
    • Insensitive to cavitation
    • Reliable operation due to removeable air valve sleeves, modular control spool and replaceable seals
    • Durable diaphragms
    • Air control valve free of dead ends, frost and free of blockages
  • Warranty and Service
    • 5-year limited product warranty*2 and outstanding customer service
  • Clamped or bolted design
    • Excellent leakproof design, reliability and easy assembly/disassembly
  • Flow rates
    • Cast iron design with improved flow characteristics and efficient air distribution provides high volumetric efficiencies and excellent flow rates and flow rates per cycle
    • Pumping of solids up 90% solids content*3
    • Pumping of solids sizes up to 5cm with flap valve design
  • Chemical resistance*3
    • Materials for wetted sections as well as air sections for a wide range of chemicals and tough environments
  • Low shear
    • Efficient flow of shear sensitive solids, no foaming and no separation of the liquid
*2 Wearing parts ar excepted from the warranty
*3 Different to model,please consult your dealer


*1 Different limitations for different series upon request

Technical Data

[Zoll BSP]
Air consumption
max [m3/min]
Bolted Metal1/2" up to 3"61,98 8,65,1metallic
Clamped Metal1 1/4" up to 3"53,16 7,63,4metallic
Bolted Plastic1/4" up to 3"54,06 73,97non-metallic
High Efficiency2" up to 3"55,62 8,62,83metallic & non-metallic
FDA / Hygienic1/2" up to 3"53,16 8,65,1metallic
3A Sanitary1 1/2" and 2"40,8 74metallic
2:1 High Pressure Full Flow1" up to 2"20,46 16,53metallic



Housing:PP, PVDF, Aluminum, Stainless steel AISI304 & AISI316
Membrane:PTFE, FKM, Hytrel, Santoprene


  • Barrel or bulk unloading
  • Transfer, circulation and feeding systems
  • On-Demand bulk dosing
  • Chemical supply
  • Dewatering, sump draining
  • Acids, alkalis, solvents, liquefied gases, polymers
  • Abrasive and corrosive fluids
  • Ceramic glaze / slurries
  • Adhesives
  • Paints, lacquers
  • Water, wastewater
  • Used oil
  • Sludge, sewage sludge