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OEM Part No 688 421

Diaphragm Direct Part No

DD03-BKE7

OEM Part No

688 421

Diaphragm Direct Grade

E7

OEM Grade

AD

Products
Connection : Button Description : 1/2” (DN 8) EPDM Diaphragm Compliance : FDA, USP, 3A, ASME BPE (SG-3.1; SG-3.4), EMEA/410/01-TSE/BSE Traceability : Full batch traceable according to EN10204 3.1b, and ISO 10993-1 Temperature : -22 – 285°F (-30 -140°C) for continuous steam, -22 – 302°F (-30 -150°C) for intermittent steam OEM Mfg : Bürkert Werke GmbH & Co. KG Ltd

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., Asepco / Watson Marlow, Inc. (a Spirax-Sarco Engineering plc company) 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.
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