Aseptic Pneumatic Mixproof Reversing Valve
- Model:
- Place of Origin:
- Wenzhou, China
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 1000 units per Month
- Payment:
- T/T, L/C, Western Union
A mixproof valve isolates incompatible fluid streams passing through a common pipe intersection without cross-contamination. The mechanical architecture positions two independent seal plugs inside a single housing, forming an atmospheric leakage chamber. If an elastomeric seat degrades, escaping liquid drains outward through the vent port rather than entering the parallel flow path, protecting product integrity during active processing routines.
Pneumatic Divert Mechanics and Steam Barrier Protection
Aseptic processing configurations combine reversing flow divert paths with integrated steam barriers. When switching fluid lines, pneumatic actuators drive internal stems upward or downward to reroute liquid streams across polished ports.
Saturated steam continuously purges the barrier enclosure, preventing airborne microorganisms from entering sterile product zones. Machined AISI 316L stainless steel housings resist aggressive caustic flushes and hot acid wash cycles.
Process State and Leakage Chamber Dynamics
The sequence illustrates fluid routing states across sanitary production cycles:
| Operating State | Flow Path Configuration | Contamination Defense |
|---|---|---|
| Product Routing | Independent flow along upper or lower conduits | Atmospheric vent isolates opposing fluid streams |
| Seat Sanitation | Chemical flushing via controlled seat lifts | External drain channels rinse liquids outside |
| Thermal Purging | Saturated steam circulation across barrier ports | Continuous condensate discharge halts ingress |
| Seat Seal Failure | Discharged fluid escapes through atmospheric vent | Zero pressure equalization between line headers |
Actuation Control and Surge Suppression
Modern mixproof valves utilize digital positioners and proximity switches to track stem movement down to fractions of a millimeter. Precision position feedback confirms tight seal seating during pulsation cycles without inducing hydraulic shocks.
The contoured internal flow path dampens velocity spikes, eliminating pipe vibration and fluid water hammer across high-pressure manifolds.
System Configuration and Seal Selection
Installing a mixed proof valve assembly inside distribution matrices replaces manual jump lines and eliminates processing downtime. Selecting appropriate elastomeric compounds such as EPDM or fluoroelastomers avoids premature material swelling under extreme sterilization temperatures.
Properly balanced plug geometries stabilize line pressure differentials, ensuring dependable fluid containment across hygienic processing operations.
Product Description
| Body Material: | SS316L |
| Seal Material: | PTFE |
| Size: | 1", 1.5", 2" |
| Working Pressure: | ≤0.8Mpa |
| Connection end: | Welded,clamped |
| Roughness: | Outside Ra≤0.6μm, Inner Ra≤0.4μm |
| Max. Temperature: | 150 degree C |
| Mpa Gas pipe connection: | G1/8" |
