Sanitary Pressure Relief Reducing Air Vent Valves
- Model:
- EXVT-22
- Place of Origin:
- Wenzhou, China
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 10000 PCS Per Year
- Payment:
- T/T, L/C, Western Union
- Material:
- SS304, SS316L
- Connection:
- Clamped
A sanitary pressure relief valve configured with manual flow adjustment controls gas discharge velocities while bleeding trapped vapor from active fluid pipelines. Fastened at processing high points, rotation of the external indexed bonnet alters internal flow resistance across a calibrated orifice seat, releasing entrained headspace gases smoothly without causing turbulent liquid carryover or disturbing fluid column equilibrium.
Liquid Carryover Entrainment and Aeration Instability
High-velocity exhaust cycles in beverage and pharmaceutical processes frequently entrain liquid droplets into discharge paths. Sudden, uninhibited air evacuation pulls foaming media upward, fouling sterile atmospheric filters and creating expensive product waste across transfer corridors.
Installing an adjustable sanitary air vent solves this fluid separation challenge. The variable restrictor collar dampens peak venting velocities, allowing gaseous phases to separate cleanly from churning liquid surfaces while maintaining steady system pressure balance.
Process Line Operations and Throttled Response Matrix
| Process Operational State | Fluid Column Dynamic | Mechanical Failure Threat | Controlled Mechanical Action |
|---|---|---|---|
| Initial Product Filling | Massive air displacement | Hydraulic water hammer | Wide-orifice venting expels bulk air volume rapidly |
| Foaming Media Transfer | Two-phase gas-liquid mixture | Liquid carryover contamination | Throttled pin restricts velocity to retain liquid phase |
| Thermal Sanitization | High-temperature steam surge | Pipe seal thermal deformation | Calibrated venting port bleeds surplus steam pressure |
| Drain and Purge Cycle | Gravity flow suction forces | Pipe siphon collapse | Orifice allows controlled intake air to assist draining |
Supply Circuit Stabilization and Micro-Finished Flow Paths
Piping schematics establish that upstream sanitary pressure reducing valves manage primary liquid distribution tensions, whereas adjustable air units handle localized gas purging and bubble removal.
Fluid-contact zones utilize electropolished 316L stainless steel finishes below 0.4 micrometers Ra to eliminate micro-crevice bacterial footholds. Smooth transitions throughout internal pathways ensure thorough chemical sweeping during clean-in-place cycles, preventing cross-batch contamination.
Seat Inspection Protocols and Fine-Tuning Repeatability
Plant reliability requires routine thread inspection and elastomeric seat replacement. Reliable sanitary relief valves maintain consistent flow coefficients across harsh thermal cleaning exposures.
Periodic calibration verifies that throttle adjustment threads remain free from galling, providing repeatable venting precision and protecting sterile process batches against atmospheric contamination.
Product Description
| Working Pressure: | ≤6bar |
| Pressure Control Range: | 0.5-6 bar |
| Medium Temperature: | -10 celsius degree-+120 celsius degree |
| Medium: | liquid material,gas |
| Sealing: | Food Rubber |
| Material Quality: | SS304,SS316L |
| Connection of Standard: | DIN,3A,SMS,ISO |
| Ends: | Male ends,Tri clamp ends,Welded ends |
| Surface treatment: | Ra 0.8um |




