Sanitary Pressure Relief Safety Vacuum Regulator Valve
- Model:
- JOV-EXH002P-33N
- Brand:
- J&O
- Material:
- SS304 / SS316L
- Connection:
- Female
- Gasket:
- EPDM
- Working Temperature:
- MAX. 120
- Working Pressure:
- 1.0MPa
- Payment:
- T/T, L/C, Western Union
A sanitary pressure relief valve configured with female threaded connections purges air pockets from process lines while providing local dial gauge surveillance of operating forces. Threading directly onto male pipe stubs or tank dome nozzles, the internal spring mechanism lifts automatically when accumulating vapor forces exceed calibrated thresholds, venting excess pressure volume and reseating securely to preserve hygienic system containment.
Rapid Thermal Contraction and Shell Implosion Prevention
Hygienic processing circuits face severe mechanical stress during temperature transitions. Flushing hot vessels with cool sanitizing liquid causes sudden steam condensation, generating internal vacuum forces capable of crushing stainless steel walls inward.
Installing a dedicated sanitary vacuum relief valve counteracts this implosion threat. The reverse-acting atmospheric disc opens under slight negative pressure differentials, drawing filtered replenishment atmosphere into the vessel interior before mechanical shell deformation takes place.
Pipeline Dynamics and Operational Response Matrix
| Operating Condition | Line Pressure Dynamic | Structural Risk | Protective Mechanical Response |
|---|---|---|---|
| Cold CIP Flush Phase | Sudden vacuum below -0.05 bar | Thin-wall tank implosion | Atmospheric intake disc unseats to draw displacement air |
| Initial Liquid Priming | Gas compression above 1.8 bar | Severe water hammer shocks | Exhaust orifice remains open to evacuate entrained air pockets |
| Continuous Gas Evolution | Headspace build exceeding 2.2 bar | Vessel rupture and seal blowout | Main spring compresses to discharge excess gaseous volume |
| High-Temperature SIP | Thermal expansion past design limit | Flange distortion and gasket leaks | Calibrated discharge seat vents excessive steam volume |
Dynamic Pressure Regulation and Electropolished Flow Paths
Piping schematics establish that an upstream sanitary pressure regulator valve manages continuous fluid distribution pressure, whereas threaded air release hardware handles gas venting and emergency overpressure protection.
Process contact zones utilize electropolished 316L stainless steel finishes below 0.4 micrometers Ra to eliminate micro-crevice bacterial harborage. Self-draining passage profiles ensure thorough chemical drainage during clean-in-place cycles, preventing liquid retention between production batches.
Bourdon Gauge Calibration and Seat Reseating Reliability
Facility protocols demand scheduled dial gauge recalibration and periodic seal replacement. A factory-verified sanitary safety valve maintains repeatable crack-and-reseat precision across repeated high-temperature steam sterilization exposures.
Periodic visual inspection of the internal elastomeric disc guarantees tight sealing tolerances, preventing media leakage and shielding process batches from atmospheric contamination.
Technical Data
| Working Pressure: | ≤10bar |
| Pressure Control Range: | 0.5-10 bar |
| Medium Temperature: | ≤120 celsius degree |
| Medium: | Gas |
| Sealing: | EPDM |
| Material: | SS304,SS316L |
| Connection of Standard: | DIN,3A,SMS,ISO |
| Ends: | Male ends,Tri clamp ends,Welded ends |
| Surface treatment: | Ra 0.8um |
