Hygienic Sanitary Pressure Relief Regulating Valves
- Model:
- JOV-EXH001-22
- Brand:
- J&O
- Material:
- SS304 / SS316L
- Connection:
- Clamped
- Gasket:
- EPDM
- Working Temperature:
- MAX. 90
- Working Pressure:
- 1.0MPa
- Payment:
- T/T, L/C, Western Union
A sanitary pressure relief valve installed at piping high points vents pocketed gases from fluid transmission lines through buoyant displacement mechanics. Fastened using quick-release Tri-Clamp connections, the internal hollow sphere sinks when accumulated gases enter the chamber, clearing the discharge orifice to expel trapped vapor, then rises smoothly as liquid fills the cavity to seal against an upper elastomeric seat.
Vapor Pocket Entrapment and Impeller Cavitation Mitigation
Two-phase flow inside process circuits creates localized pockets that disrupt hydraulic flow. Pockets migrating along liquid conduits generate air binding restrictions, producing severe pressure drops and fluid hammer shockwaves during initial pipe filling.
A dedicated hygienic pressure relief valve counteracts these flow disruptions. Positioned atop vertical risers, the self-acting mechanism continuously discharges migrating bubbles before they enter pump suctions, preserving impeller surfaces from erosion pitting and preventing batch aeration.
Conduit Hydraulic States and Autonomous Mechanical Protection
| Process Piping State | Fluid Line Dynamics | Mechanical Failure Threat | Autonomous Valve Response |
|---|---|---|---|
| Initial System Priming | Gas compression above 1.5 bar | Fluid hammer shockwaves | Vent orifice stays open to purge entrained atmosphere |
| High-Velocity Pumping | Entrained gas pocketing | Pump impeller erosion pitting | Buoyant float lowers to expel accumulating bubble clusters |
| CIP Cleaning Circulation | Thermal vapor expansion | Pipe gasket extrusion leaks | Upper discharge seat vents expanding steam pockets |
| Gravity Drainage Phase | Fluid discharge creating suction | Conduit siphon deformation | Floating sphere drops to admit atmospheric displacement air |
Upstream Flow Regulation and Smooth Bore Metallurgy
Piping engineering establishes that an upstream sanitary pressure regulating valve governs steady fluid delivery pressures, whereas clamp-mounted air release units handle localized gas purging and piping protection.
Wetted components feature electropolished 316L stainless steel finishes below 0.4 micrometers Ra to eliminate microscopic bacterial footholds. Smooth transitional contours guarantee thorough chemical purging during clean-in-place cycles, preventing cross-batch contamination.
Float Seating Diagnostics and Cyclic Sanitization Durability
Plant efficiency depends on scheduled inspections of the spherical float and elastomer seals. Factory-verified sanitary pressure relief valves maintain repeatable shut-off precision across repetitive steam exposures.
Periodic visual audits verify that sealing gaskets retain elastic compliance, halting fluid weeping and shielding pristine fluid paths against ambient contamination.
Technical Data
| Working Pressure: | ≤10bar |
| Pressure Control Range: | 0.5-10 bar |
| Medium Temperature: | ≤90 celsius degree |
| Medium: | Gas |
| Sealing: | EPDM |
| Material Quality: | SS304,PP |
| Connection of Standard: | DIN,3A,SMS,ISO |
| Ends: | Male ends,Tri clamp ends,Welded ends |
| Surface treatment: | Ra 0.8um |



