Sanitary Tri Clamp Pressure Relief Reducing Vacuum Valve
- Model:
- JOV-ABH002-33
- Brand:
- J&O
- Material:
- SS304 / SS316L
- Connection:
- Clamped
- Gasket:
- EPDM
- Working Temperature:
- MAX. 120
- Payment:
- T/T, L/C, Western Union
A sanitary pressure relief valve safeguards sealed hygienic storage vessels and bioreactors from sudden overpressure rupture and catastrophic thermal vacuum implosion.
Mounted directly onto male-threaded tank top ports or vessel nozzles, the spring-actuated mechanism lifts automatically when internal pressure exceeds a pre-calibrated limit to discharge excess vapor volume. Following system normalization, the precision spring forces the seal plug back into its seating face, maintaining sterile barrier integrity against environmental micro-pathogens.
Thermal Condensation Hazards and Vacuum Collapse Prevention
Processing tanks face severe deformation risks following hot cleaning operations. Rinsing hot vessels with cold wash media induces rapid steam condensation, producing violent internal vacuum differentials capable of buckling thin-gauge vessel jackets.
Installing a dual-function sanitary vacuum relief valve counteracts this structural hazard. Its integrated reverse-acting disc reacts to slight negative pressure differentials, drawing sterile displacement air into the vessel head space before wall collapse occurs.
Processing Vessel Dynamics and Mechanical Protective Actions
| Vessel Scenario | Pressure State Shift | Structural Threat | Protective Valve Action |
|---|---|---|---|
| Cold CIP Rinse Phase | Rapid vacuum below -0.05 bar | Vessel shell implosion | Reverse disc lifts to draw displacement air |
| Fermentation Gas Build | Steady pressure above 2.5 bar | Vessel burst and gasket leakage | Calibrated coil spring compresses to vent vapor |
| High-Volume Fluid Pumping | Downstream pull creating negative headspace | Shell deformation and cavitation | Vacuum port admits filtered ambient air |
| Hot Steam Sterilization | Expansion surpassing operational limits | Joint failure and mechanical fatigue | Primary nozzle exhausts excessive thermal steam |
Supply Line Regulation and Connection Configuration Standards
Whereas a dedicated sanitary pressure reducing valve regulates incoming fluid feeds to maintain uniform line pressures, relief hardware acts strictly as a dedicated emergency boundary.
Systems requiring rapid line reconfiguration often integrate a tri clamp pressure relief valve, yet direct male thread mounting provides compact structural anchorage on closed reaction tanks. Fluid-contact surfaces require electropolished 316L stainless steel finishes below 0.4 micrometers Ra to eliminate micro-crevice bacterial harborage.
Seating Surface Maintenance and Calibration Precision
Field reliability requires regular seat inspection and elastomeric diaphragm replacement.
Maintaining consistent crack-and-reseat tolerances across repeated steam cycles prevents batch product loss and stops media contamination without requiring vessel structural alteration.
Technical Data
| Medium Temperature: | ≤120 celsius degree |
| Medium: | Gas |
| Body Material: | SS304,SS316L |
| Connection of Standard: | DIN,3A,SMS,ISO |
| Ends: | Male ends,Tri clamp ends,Welded ends |
| Surface treatment: | Ra 0.8um |
