Tank Bottom Diaphragm Valve
Manual or Pneumatically Actuated Vessel Outlet Valve
Tank bottom diaphragm valves are sterile vessel outlet valves. They are designed for use at the bottom vessels to enable draining of process fluids while minimizing dead leg to prevent waste entrapment and contamination from bacteria or microorganisms.
Applications:
Manual or air actuated outlet valve for sterile vessel
Upstream:
- Bioreactor/fermenter: vessels
- Perfused bioreactors: retentate or permeate vessels
Downstream:
- Outlet valve for process vessels in the following production areas: separation, filtration, chromatography, formulation, fill finish
Available sizes: 1/2″ – 4″ (DN15 – DN100)
Outlet Connection type: tri-clamp, extended tube end
Additional ports or tandem access valve: as special option
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: 63 Ra µin (1,6 Ra µm)
Optional: 40 Ra µin (1,0 Ra µm) and better upon request
CRN Number
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