BNW Standard Series
Sanitary Diaphragm Valves
The BNW series contains a unique diaphragm design, eliminating the need for constant diaphragm re-tightening after SIP application, and ensuring a rapid changeout at each batch change.
Key Features
Available in line sizes up to 4”
Single polymer bonnet external seal
Pneumatic or manual interchangeability
Standard & bespoke multiport / block options
Typical Applications
Shut-off functionality, control functionality, back-pressure control, automated and with switching/signalling for all upstream and downstream processes (bioreactor, filtration, chromatography, centrifugation etc)
Key Specifications
| Materials of Construction | Cleanliness | Specifications | Options |
|---|---|---|---|
| 316L forged body |
Manufactured in a Clean White Room |
100% Leak tested as per ANSI FCI 70/2 Class VI |
Manual or pneumatic |
| PTFE / EPDM diaphragm high temperature (up to 150C) |
Helium leak-tight external sealing |
USP Class VI <87> <88> |
4/20mA switching / signalling automation |
| TFM1600 / Reinforced EPDM Diaphragm |
SIP-validated |
Electropolished and Passivated as per ASME BPE, ASTM A967 |
|
| Stainless thin-wall (deep-drawn) actuator |
6 - 200 Cv (flow coefficient) |