About Us

Search by Part Number

If you know your Diaphragm Direct® or your OEM part number, please enter below.

diaphragm search

If you do not know your diaphragm part number, please complete this diaphragm questionnaire.

About Us

Diaphragm Direct® launched its replacement diaphragm program 15 years ago, with its primary objective being a customer focused company. Its principles are based on quality, reliability and value. Diaphragm Direct® is a brand product of Sanitary Process Components.

Diaphragm Direct® offers a large inventory of replacement diaphragms for the diaphragm valve industry’s leading OEM’s. In addition, Diaphragm Direct® manufacturing capabilities include:

  • - Custom diaphragms & seals for diaphragm valves
  • - Diaphragm pump replacement seals and diaphragms
  • - Dosing pump diaphragms

Our competitive prices offer excellent value without compromising quality. Diaphragm Direct® replacement diaphragms and seals are fully batch traceable according to EN10204 3.1b, and ISO 10993-1. All materials used in the manufacturing of Diaphragm Direct® replacement diaphragms conform to FDA, USP, 3A, ASME BPE (SG-3.1; SG-3.4), EMEA/410/01-TSE/BSE. Diaphragm Direct® replacement diaphragms and seals undergo both performance and challenge testing to assure the highest level of reliability. In addition, Diaphragm Direct offers a complete validation manual, and its qualified staff is ready to assist you with any validation questions.

For additional information on any Diaphragm Direct® product or custom design and fabrication of diaphragms and seals please contact us This email address is being protected from spambots. You need JavaScript enabled to view it.

Get A Quote

What information do you want to know ?
Pricing Availability
How you want us to contact you ?
Email Tel