Radial-Style Diaphragms

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DD12-NACSRD-A

Diaphragm Direct Part No: DD12-NACSRD-A

Description:  Platinum cured Silicone (Clear) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: Clear
Size: ½”
Compatible OEM actuator: 12/150, 12/170, 12/110, 12/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request
Packaging: Clean Room Packaged with product details
DD51-NAWSRD-A

Diaphragm Direct Part No: DD51-NAWSRD-A

Description:  Platinum cured Silicone (with 0.25% Titanium Dioxide) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: White
Size: 2”
Compatible OEM actuator: 51/150, 51/170, 51/110, 51/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD25-NAWSRD-A

Diaphragm Direct Part No: DD25-NAWSRD-A

Description:  Platinum cured Silicone (with 0.25% Titanium Dioxide) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: White
Size: 1”
Compatible OEM actuator: 25/150, 25/170, 25/110, 25/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD38-NAWSRD-A

Diaphragm Direct Part No: DD38-NAWSRD-A

Description:  Platinum cured Silicone (with 0.25% Titanium Dioxide) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: White
Size: 1.5”
Compatible OEM actuator: 38/150, 38/170, 38/110, 38/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD12-NAWSRD-A

Diaphragm Direct Part No: DD12-NAWSRD-A

Description:  Platinum cured Silicone (with 0.25% Titanium Dioxide) Radial-style diaphragm 
Compatible Part Size:  25/21
Color: White
Size: ½”
Compatible OEM actuator: 12/150, 12/170, 12/110, 12/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD18-NAWSRD-A

Diaphragm Direct Part No: DD18-NAWSRD-A

Description:  Platinum cured Silicone (with 0.25% Titanium Dioxide) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: White
Size: 3/8”
Compatible OEM actuator: 18/150, 18/170, 18/110, 18/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD51-NACSRD-A

Diaphragm Direct Part No: DD51-NACSRD-A

Description:  Platinum cured Silicone (Clear) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: Clear
Size: 2”
Compatible OEM actuator: 51/150, 51/170, 51/110, 51/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD25-NACSRD-A

Diaphragm Direct Part No: DD25-NACSRD-A

Description:  Platinum cured Silicone (Clear) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: Clear
Size: 1”
Compatible OEM actuator: 25/150, 25/170, 25/110, 25/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request
Packaging: Clean Room Packaged with product details
DD38-NACSRD-A

Diaphragm Direct Part No: DD38-NACSRD-A

Description:  Platinum cured Silicone (Clear) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: Clear
Size: 1.5”
Compatible OEM actuator: 38/150, 38/170, 38/110, 38/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request.
Packaging: Clean Room Packaged with product details
DD18-NACSRD-A

Diaphragm Direct Part No: DD18-NACSRD-A

Description:  Platinum cured Silicone (Clear) Radial-style diaphragm 
Compatible Part Size: 25/21
Color: Clear
Size: 3/4”
Compatible OEM actuator: 18/150, 18/170, 18/110, 18/111
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Silicone (Platinum Cured) – FDA, USP Class VI – FDA, USP Class VI
Validation Package: Available upon request
Packaging: Clean Room Packaged with product details

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Diaphragm Direct® offers premium radial-style diaphragms designed to meet the stringent hygienic standards set forth by the Biopharmaceutical industry. Diaphragm Direct® replacement diaphragms ensure optimal sealing performance while minimizing risks of contamination in critical fluid handling processes.

Diaphragm Direct® Replacement diaphragms for radial diaphragm valves are fabricated from FDA and USP Class VI compliant materials, such as peroxide-cured EPDM and platinum-cured silicone, ensuring full compatibility and service-life reliability. Other materials are also offered as well as service treatment for extended service life such as Parylene-N.  Each radial-style diaphragms undergoes rigorous in-house testing and independent validation by The Bioprocess Institute.  All material compounds meet and exceed FDA, ISO, and USP Class VI standards. 

Benefits of Radial-Style Diaphragms 

Diaphragm Direct® radial-style diaphragms are designed to deliver exceptional performance in demanding applications, offering reliable sealing, reduced contamination risks, and adhering to stringent BioPharma industry standards.

  • Exceptional Durability: Fabricated using superior materials for demanding operating processes.
  • Precise Sealing: Seat and Shell tested to reduce leakage and to maintain system integrity throughout the service life.
  • Contamination Control: Industry leading Quality control from start to finish and complete manufacturing transparency.
  • Comprehensive Compatibility: Guaranteed to Fit, and for Form and Function - Surpassing OEM standards.

Diaphragm Direct®
radial-style diaphragms provide precise seat and seal, chemical compatibility, and conformance to Biopharmaceutical standards.  

Diaphragm Direct®
offers a selection of fully batch-traceable, radial-style and weir-style replacement diaphragms for a large range of OEM valves.  Search our inventory today to discover which replacement diaphragms best meet your specific requirements!

Please reach out to Diaphragm Direct® with any inquiries at info@diaphragmdirect.com or 1-877-371-7264 and speak with one of representatives today.