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Industry-Specific Cleanroom Equipment
Split Butterfly Valve
A dockable stainless-steel split butterfly valve that creates a closed transfer path between process equipment and mobile containers while limiting powder exposure at disconnection.
- Dockable Split-Disc Design
- Hygienic Stainless Construction
- Interlocked Transfer Sequence
- Cleanable Product Contact Parts
Product Introduction
The split butterfly valve uses an active operating half and a passive container half whose disc faces dock before the flow path opens. When coupled, the two disc segments act as one butterfly disc; after transfer, they close before separation so product-contact faces remain covered. A compact stainless body, replaceable elastomer seals and mechanical position control support contained charging and discharge duties where conventional open connections would release dust.
Key Features
Split-disc faces remain covered during normal connection and disconnection sequences.
Satin stainless product-contact surfaces support repeatable cleaning and inspection.
Mechanical locking prevents opening until the mating halves are correctly engaged.
Customer Product Concerns
Powder transfers can expose operators, contaminate adjacent rooms and leave difficult-to-clean residue on open connection faces.
Breaking a conventional hose or flange can release residual powder.The two disc halves close before undocking, covering the product-contact interface during separation.
Incorrect connection sequencing can open an incomplete transfer path.Mechanical docking and operating interlocks control the order of coupling, opening, closing and release.
Valve internals can retain material between campaigns.Smooth product-contact surfaces and accessible seals simplify disassembly, cleaning and visual inspection.
Different vessels require a repeatable portable connection.A standardized passive half can be fitted to compatible containers while the active half remains at the process station.
Typical Applications
Potent API charging and dischargeTablet and capsule powder transferContained blender and granulator connectionsIntermediate bulk container docking
Technical Parameters
Typical configurable construction values for a hygienic pharmaceutical split butterfly valve are listed below.
| Core Material | 316L stainless-steel active and passive bodies with FDA-compatible elastomer seals |
|---|---|
| Panel Thickness | 18-35 mm combined valve-body section |
| Effective Width | 100-250 mm nominal transfer diameter |
| Maximum Length | Up to 420 mm overall body and lever envelope |
| Steel Facing Thickness | 3-8 mm machined product-contact wall section |
| Core Density | 7950-8050 kg/m³ for stainless-steel construction |
| Thermal Conductivity | 14-16 W/(m·K) for austenitic stainless steel |
| Surface Finish | Satin exterior with smooth electropolished or mechanically polished product-contact surfaces |
| Joint Type | Interlocked active-passive docking joint with split disc and replaceable perimeter seals |
| Customization | Available based on the intended application and operating environment. |
Available Options
Manual or automated active-half operationAlternative nominal transfer diametersEPDM, silicone or FKM seal setsContainer, hopper or process-vessel mounting adapters
Planning a Split Butterfly Valve specification?
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