Custom Block Body Sanitary Diaphragm Valves

Features & Benefits:
Applications:
Multiple Wier manual on/off or air actuated block valves or block valve clusters for diversion of drug process, media buffers, clean utilities for a variety of upstream and downstream requirements.
Upstream:
- Bioreactor/fermenter: for diversion of WFI, growth media, intermediate drug product, clean dry air and gas, clean steam and clean utility fluids
- Perfusion: permeate diversion
Downstream:
- For diversion of WFI, buffers, solvent, intermediate and finished drug product and clean utility fluids in the following areas: separation, filtration (buffer exchange), chromatography (column input buffer distribution and column outlet distribution), fill finish (low hold-up drug product distribution)
Buffer and media prep:
- Blocks for diversion control of WFI, buffers and growth media
Specifications:
Available sizes: 1/2″ – 3″
Connection type: tri-clamp, extended tube end, custom including hose barb
Materials:
- Standard: Barstock, ASME SA479 316L (UNS 31603) or EN 10272:2000 GR 1.4435
- Optional: AL-6XN®, Hastelloy® C-22 and others readily available
Surface Finish:
Wetted Interior:
- Standard
– ASME BPE SF1, 20 Ra µin (0,5 Ra µm)
– ASME BPE SF5, 20 Ra µin (0,5 Ra µm) electropolish - Optional: ASME BPE SF4, 15 Ra µin (0,4 Ra µm) electropolish. Better finish upon request
Exterior:
Standard: 40 Ra µin (1,0 Ra µm) and better as option