Radial-Style Diaphragms

Diaphragm Direct's radial-style diaphragms are designed to meet the rigorous hygienic requirements of the biopharmaceutical industry.

Radial-Style Diaphragms

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Diaphragm Direct Part No: DD12-NACSRD-A

Description: Platinum cured Silicone (Clear) Radial-style diaphragm
Equivalent OEM Part Nr.: NA12/26
Color: Clear
Size: ½”
Compatible OEM actuator: NA12/150, NA12/170, NA12/110, PA12/111
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

Diaphragm Direct Part No: DD18-NACSRD-A

Description: Platinum cured Silicone (Clear) Radial-style diaphragm
Equivalent OEM Part Nr.: NA18/26
Color: Clear
Size: 3/4”
Compatible OEM actuator: NA18/150, NA18/170, NA18/110, PA18/111
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

Diaphragm Direct Part No: DD25-NACSRD-A

Description: Platinum cured Silicone (Clear) Radial-style diaphragm
Equivalent OEM Part Nr.: NA25/26
Color: Clear
Size: 1”
Compatible OEM actuator: NA25/150, NA25/170, NA25/110, PA25/111
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

Diaphragm Direct Part No: DD38-NACSRD-A

Description: Platinum cured Silicone (Clear) Radial-style diaphragm
Equivalent OEM Part Nr.: NA38/26
Color: Clear
Size: 1.5”
Compatible OEM actuator: NA38/150, NA38/170, NA38/110, PA38/111
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

Diaphragm Direct Part No: DD51-NACSRD-A

Description: Platinum cured Silicone (Clear) Radial-style diaphragm
Equivalent OEM Part Nr.: NA51/26
Color: Clear
Size: 2”
Compatible OEM actuator: NA51/150, NA51/170, NA51/110, PA51/111
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

Diaphragm Direct Part No: DD10-ERD-A

Description: EPDM (Organic peroxide cured) Radial-style diaphragm
Equivalent OEM Part Nr.: EP10
Color: Black
Size: 1”
Compatible OEM actuator: AJS, AKS, AKS (0.5”, 1” 1.5”)
Diaphragm variant: Bellows
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Ethylene propylene diene monomer (peroxide cured)
Packaging: Clean Room Packaged with product details

Diaphragm Direct Part No: DD15-ERD-A-NB

Description: EPDM (Organic peroxide cured) Radial-style diaphragm
Equivalent OEM Part Nr.: EP17
Color: Black
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: Ethylene propylene diene monomer (peroxide cured)
Packaging: Clean Room Packaged with product details

Diaphragm Direct Part No: DD20-ERD-A

Description: EPDM (Organic peroxide cured) Radial-style diaphragm
Equivalent OEM Part Nr.: EP20
Color: Black
Size: 2”
Compatible OEM actuator: AJS, AKS, AKS (0.5”, 1” 1.5”)
Diaphragm variant: Bellows
Diaphragm Marking: Laser-etched with Cure date, and Batch number
Material Specification: Ethylene propylene diene monomer (peroxide cured)
Packaging: Clean Room Packaged with product details

Diaphragm Direct Part No: DD30-ERD-A

Description: EPDM (Organic peroxide cured) Radial-style diaphragm
Equivalent OEM Part Nr.: EP30
Color: Black
Size: 3”
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: Ethylene propylene diene monomer (peroxide cured)
Packaging: Clean Room Packaged with product details

Diaphragm Direct Part No: DD40-ERD-A

Description: EPDM (Organic peroxide cured) Radial-style
Equivalent OEM Part Nr.: EP40
Color: Black
Size: 4”
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: Ethylene propylene diene monomer (peroxide cured)
Packaging: Clean Room Packaged with product details

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Diaphragm Direct's radial-style diaphragms are designed to meet the rigorous hygienic requirements of the biopharmaceutical industry. These radial-style replacement diaphragms’ design and construction assures that critical sealing is achieved while minimizing contamination. Our radial-style diaphragms are made from FDA and USP Class VI conforming elastomer materials like ethylene propylene diene monomer (peroxide cured) and platinum-cured silicone. These diaphragms are engineered and tested at our in-house laboratory and third-party tested at The Bioprocess Institute. They comply with FDA 21 CFR 177.2600 requirements and are tested in accordance with ISO 10993 and USP Class VI. All diaphragms are fully batch traceable. We offer an expansive inventory of radial-style diaphragms. Browse our inventory to find the right radial-style replacement diaphragms for your valves.

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