OEM Part No 688 421
Diaphragm Direct Part No
OEM Part No
Diaphragm Direct Grade
Diaphragm Direct® does not manufacture, represent, nor sell OEM valves or diaphragms manufactured by any other company; ie. (ITT Manufacturing Enterprises, Inc.; Crane Process Flow Technologies Ltd.; Gebruder Muller Apparatebau GmbH & Co., KG and/or Gemü Valves, Inc.; Georg Fischer Aktiengesellschaft Corporation; Bürkert Werke GmbH & Co. KG Ltd, SED Flow Control GmbH, Swagelok Company, G.S. Anderson GmbH, or Top Line Process Equipment Co., etc.). Diaphragm Direct® brand diaphragms are not sponsored by any other manufacturers. Any name, model, part number, brand, image, material or referral is for descriptive purposes only.
Diaphragm Direct® brand replacement diaphragms are guaranteed to fit OEM equipment and meet or exceed OEM specifications. Diaphragm Direct® brand replacement diaphragms are covered by the standard Diaphragm Direct® limited product warranty.