Diaphragm Direct Part No


Diaphragm Direct Grade


Connection : Threaded (female) Description : DD15-SXRD-A-NB Diaphragm
Colour - White
Size: 1.5”
Compatible OEM actuator: AJS, AKS, AKS (0.5”, 1” 1.5”)
Diaphragm variant: Straight
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Platinum cured Silicone (medical grade) with Parylene-N surface treatment
Packaging: Individually packaged with product details
Testing:  Performance Tested per ASME BPE-2022 Appendix K.  Evaluation Tests include steam-cycle lifetime testing, hygienic seal testing, seat and shell per EN-12266-1.
Compliance : FDA 21 CFR 177.2600, USP <87>, USP Class VI <88>, EMEA/410/01-TSE/BSE Traceability : Full batch traceable according to EN10204 3.1b, and ISO 10993-1 Temperature : -51° to 135°C (-60° to 275°F) Diaphragm Direct® offers various elastomer materials for challenging temperature, pressure and chemical processes.  All diaphragms are marked with its cure date and batch number for full traceability.


EPDM + Parylene-N coating

EPDM + Hydro Coating


(Steam resistant)


Silicone + Parylene-N coating

Silicone + Hydro Coating


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.

Request A Quote...


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


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