ITT Engineered Valves
Pure-Flo Grade E1 Diaphragm
The Grade E1 (NGE) diaphragm is a peroxide-cured EPDM developed for intense biopharmaceutical applications, outperforming previous EPDM and EPM classes with improved resistance to steam, WFI and common CIP chemicals. It fits Pure-Flo valves from BT to 4 inch (DN6-DN100) and is rated -4 to 194F for liquids, -22 to 285F for continuous steam and -22 to 302F for intermittent steam. It is USP Class VI and FDA 21CFR177.2600 compliant, conforms to ASME BPE SD-2.6, and has a limited shelf life of 6 years.
General
| Type | E1 |
|---|---|
| Material | EPDM, peroxide cured |
| Size Range | BT-4" (DN6-DN100) |
| Shelf life | 6 years (limited) |
Temperature Rating
| Liquid applications | -4 to 194F (-20 to 90C) |
|---|---|
| Continuous steam | -22 to 285F (-30 to 140C) |
| Intermittent steam | -22 to 302F (-30 to 150C) |
Standards & Compliance
| FDA | 21CFR177.2600 |
|---|---|
| USP | USP <87> and USP <88> (Class VI) |
| ASME BPE | Conforms to SD-2.6 (Animal-Derived Ingredients); Part SG Section 3.3 & 3.4 |
| TSE/BSE | EMEA/410/01 Rev. 3 compliant |
| Latex | Not made with natural rubber latex |
