In Stock

The Wilden® P1 – 1/2″ / 13 mm Original™ Series clamped plastic Air-Operated Double-Diaphragm (AODD) Pump ensures reliability without sacrificing ease of maintenance. With simple installation and easy serviceability, it’s ready for rugged utilitarian applications that require a robust design.

Available wetted path materials are Polypropylene or PVDF.


The Wilden P1 comes equipped with the Pro-Flo® Air Distribution System (ADS), which provides the longest-lasting wear parts, on/off reliability, maximum Mean Time Between Repair (MTBR) and lube-free operation.

Elastomers are available in the following materials:

  • Buna-N
  • Polyurethane
  • PTFE
  • Saniflex™
  • Viton®
  • Wil-Flex™

Benefits and Features

The Successful Solution

  • Decades of proven performance
  • Intrinsically safe
  • Clamped connections for faster maintenance
  • Self-priming
  • Variable speed
  • Dry-run without damage
  • Single-point exhaust option
  • Shear-sensitive
  • Widest range of materials in the industry


  • Longest Mean Time Between Repair (MTBR)
  • Proven air distribution systems (ADS)
  • Simplicity of design
  • Superior anti-freezing
  • Increased On/Off reliability


  • Low cost
  • Simple installation
  • Ease of maintenance

Product Documents

Product Specifications

Product Brochure

Product Enquiry