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ONE-UP® Diaphragms

GYLON® ONE-UP® Pump Diaphragm

Your solution for sanitary applications in air operated diaphragm pumps.

For years the industrial ONE-UP® pump diaphragm has been the first choice for the most demanding industrial applications.  We are now introducing the new GYLON® ONE-UP for the most demanding sanitary applications.  

Made using our exclusive GYLON® PTFE Diaphragm material and a proprietary EPDM rubber backing, this product is made with the same patented rib construction of our standard industrial ONE-UP®.

FDA Compliance

This FDA compliant diaphragm will have the same chemical resistance and long life as the industrial ONE-UP, however this diaphragm can be used in food and regulated applications.  The GYLON ONE-UP will outperform your current diaphragm; however because it is not as abrasive resistant as the industrial ONE-UP, we are recommending it for non-abrasive service only.

Satisfaction guarantee

This product has the same Satisfaction Guarantee that the standard Industrial ONE-UP has.  This is a money back guarantee on your initial order if you are not completely satisfied with the performance of the diaphragm. 


Available in all of the sizes and pump offerings that the industrial ONE-UP is made: ALMATEC, ARO, DEPA, BLAGDON, FLOTRONICS, GRACO, UNITEC, VERDER, VERSAMATIC, WARREN RUPP, WILDEN AND YAMADA.

easy installation

Made in a one-piece design, this diaphragm is simple to install.  Whether it incorporates bolt holes or a perimeter sealing bead, it fits easily into the pump housing without the difficulties associated with installing two-piece diaphragm sets.

typical applications

  • Air operated diaphragm pumps for food and pharmaceutical applications



Temperature Range:

  • Minimum: 40F (-4C)
  • Maximum 300F (149C)

CIP & SIP Capable: Maximum 300F (149C)
Meets Specification (GYLON): FDA Regulation 21CFR177.1550,
3A Standard, NSF 61 Standard, USP Class VI Chapter 87 & 88, USP Part 31, 281 and 661
Meets Specification (EPDM): FDA Regulation 21CFR177.2600