Mixproof Valve Operation Sanitary Divert Mix Proof
- Model:
- JOV-RHPSL-11
- Brand:
- J&O
- Material:
- SS304 or SS316L
- Connection:
- Welded
- Gasket:
- PTFE, EPDM, NBR
- Working Temperature:
- 120 degree C
- Working Pressure:
- 10Bar
- Operation:
- Pneumatic
- Payment:
- T/T, L/C, Western Union
A mixproof valve separates incompatible process fluids through independent sealing zones, reducing the risk of cross-contamination. In sanitary processing, double-seat designs commonly use two seals with a leakage chamber between them, while pneumatic divert valves route product through defined flow paths.
Mixproof Valve Operation and Flow Separation
Mixproof valve operation relies on controlled movement of valve seats and seals. In a double-seat arrangement, the space between sealing points can provide a leakage path if a seal is compromised. Pneumatic actuation moves the valve stem through a defined stroke for automated opening, closing, or seat movement.
A sanitary divert valve performs a related routing function but should not automatically be treated as a double-seat mixproof design. An L-flow pneumatic configuration changes the connection path according to valve position and suits sanitary transfer lines requiring directional flow control.
Selection Factors That Shape Valve Choice
| Selection factor | What should be checked | Process relevance |
|---|---|---|
| Flow pattern | L, T or other geometry | Determines flow paths |
| Fluid duty | Product or cleaning fluid | Establishes separation needs |
| Actuation | Pneumatic stroke and control | Determines automation capability |
| Sealing | Material and compression | Affects compatibility |
| Installation | Welded, clamped or threaded | Must match the piping |
Pneumatic Control for Repeatable Routing
Pneumatic control suits automated sanitary lines because compressed air provides repeatable valve movement. Position feedback or a control box can be added when remote status and sequence control are required. The body pattern should match the required inlet and outlet relationship before installation.
Materials, Pressure and Cleaning
Sanitary mix proof valves commonly use stainless steel bodies with seals selected for the process medium and cleaning conditions. The referenced L-flow design uses SS304 or SS316L, PTFE, EPDM or NBR gaskets, a 10 bar working pressure and 120°C working temperature. Connections include welded, threaded and clamped options, with DIN, SMS, ISO, IDF, RJT and 3A standards available.
When the Design Fits the Process
Mix proof valves suit processes requiring controlled fluid separation, especially where automated routing and CIP sequencing are needed. An L-pattern pneumatic divert valve is more suitable when the main requirement is directional flow switching rather than double-seat product isolation.
Before selection, the flow diagram, body pattern, pressure, temperature, seal material, connection type and separation function should be checked together. This prevents a standard divert valve from being selected where true double-seat isolation is required.
Technical Data
| Material quality | AISI304, AISI304L, AISI316, AISI316 |
| Size | 1"-4" or DN25-DN100 |
| Standards | DIN,SMS,ISO,IDF,RJT,3A,etc |
| Connection End | Threaded, Welded, Clamped |
| Types | L,T,L/L,L/T, T/L,T/T |
Product Parameter
Product Pictures
