Double Seal Sanitary Mixproof Divert Valve Operation
- Model:
- Brand:
- J&O
- Material:
- SS304 or SS316L
- Connection:
- Welded
- Gasket:
- EPDM,FDA177.2600
- Working Temperature:
- 120 degree C
- Working Pressure:
- 10Bar
- Payment:
- T/T, L/C, Western Union
A mixproof valve isolates distinct processing media across hygienic pipelines while preventing cross-contamination. Dual dynamic seals seat against adjacent cylindrical faces, forming an intermediate atmospheric drainage chamber. If an elastomer boundary ring degrades under dynamic line pressures, leaking fluid discharges outward through an open vent channel rather than entering active food or beverage lines.
Gland Compression Geometry and Crevice Free Surfaces
Direct-acting pneumatic actuators shift double seal stems through precision-machined housings, providing swift fluid isolation without manual intervention.
Radial seal profiles maintain calibrated squeeze ratios inside machined gland cavities, preventing fluid entrapment behind elastomer contact zones. Fabricated from forged AISI 316L stainless steel, the valve interior features electropolished wetted surfaces below 0.38 microns Ra to mitigate bacterial adhesion during chemical clean-in-place cycles.
Radial Seal Gland Compression and Extrusion Tolerance Matrix
The matrix defines elastomeric seal compression ratios, extrusion clearances, and thermal expansion limits across standard gland dimensions:
| Gland Cross-Section | Radial Squeeze Ratio | Maximum Radial Extrusion Gap | Shore A Durometer | Thermal Swell at 140°C |
|---|---|---|---|---|
| 3.53 mm (0.139 Inch) | 18% to 22% | 0.08 mm (0.003 Inch) | 75 to 80 Shore A | < 3.5% volumetric expansion |
| 5.33 mm (0.210 Inch) | 20% to 24% | 0.10 mm (0.004 Inch) | 75 to 80 Shore A | < 4.0% volumetric expansion |
| 6.99 mm (0.275 Inch) | 22% to 26% | 0.12 mm (0.005 Inch) | 80 to 85 Shore A | < 4.2% volumetric expansion |
| 8.40 mm (0.330 Inch) | 24% to 28% | 0.15 mm (0.006 Inch) | 80 to 85 Shore A | < 4.5% volumetric expansion |
Dynamic Stroke Modulation and Stem Impact Protection
Precision stroke regulation during mixproof valve operation dampens mechanical closing impact, protecting radial elastomer profiles from shearing damage. Internal mechanical spring sets deliver immediate return stroke closure whenever control air drops.
Routing process media with a sanitary divert valve ensures continuous fluid isolation across multi-tank distribution matrices.
Distribution Skid Isolation and Boundary Integrity
Installing a sanitary diverter valve alongside double seal skids isolates cleaning circuits, preventing chemical dilution across finished product storage vessels. Selecting vulcanized EPDM or fluoroelastomer rings prevents compression set during repeated thermal exposure.
Balanced plug geometries eliminate hydraulic uplift forces generated during rapid centrifugal pump starts.
Integrating an automated mixproof valve architecture guarantees validated microbiological separation throughout continuous sanitary processing installations.
Technical Data
| Valve Body Material: | SS304 ,SS316L |
| Seal Material: | EPDM,FDA177.2600 |
| Max Working Pressure: | 10Bar |
| Max.Working Temperature: | 120 degree C |
| Size: | 2'-4',DN50-DN100 |
| Connection: | Thread,Weld,Clamp |
| Standard: | DIN,SMS,RJT,3A |
| Operated: | Pneumatic,C-Top, Process controller |
| Certificate: | FDA,ISO9001-2008 |
Product Parameter
Product Pictures
