Sanitary Pressure Safety Vacuum Relief Valve
- Model:
- JOV-EXHM004-22
- 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 with a Tri-Clamp connection releases excess gas when vessel pressure reaches its specified release setting. The listed adjustable exhaust design uses SS304 or SS316L stainless steel, an EPDM gasket, a surface finish of Ra 0.8 μm, and a maximum operating temperature of 120°C. The exact pressure setting and venting capacity must be confirmed for the selected model.
What Adjustable Exhaust Pressure Means for Equipment Protection
A sanitary safety relief valve is selected according to the vessel's allowable pressure, required release setting, gas properties, and venting capacity. The opening setpoint is different from the maximum allowable working pressure. An adjustment mechanism alone does not establish that a valve is certified for emergency overpressure protection.
The available product specifications identify gas as the working medium and Tri-Clamp ends as the connection. However, the numerical adjustment range and rated discharge capacity are not stated in the product description, so these values require confirmation before selection.
Material and Connection Checks for Hygienic Gas Lines
| Selection Factor | What to Confirm |
|---|---|
| Body material | Select SS304 or SS316L according to the operating environment. |
| Gasket | Verify EPDM compatibility with the gas, cleaning agents, and temperature. |
| Clamp interface | Match the ferrule dimensions and gasket to the vessel connection. |
| Surface finish | Confirm that Ra 0.8 μm meets the process requirements. |
| Pressure rating | Obtain the approved operating limit and release setting for the model. |
Positive Pressure Release and Vacuum Protection
A sanitary vacuum relief valve serves a different purpose: it admits gas when internal pressure falls below the surrounding pressure. A positive-pressure exhaust valve releases gas outward. A sanitary safety relief valve should not be assumed to provide both functions unless bidirectional performance is documented for the exact configuration.
For vessel protection, the selected valve must match the equipment's pressure limits and required relief capacity. It should not replace an independently rated emergency protection device unless its suitability and applicable compliance have been verified.
Inspection Points Around the Exhaust Assembly
Routine inspection should cover the EPDM gasket, clamp alignment, adjustment mechanism, and unobstructed vent path. Seal deterioration, an incorrect pressure setting, or a restricted outlet can affect release performance.
Before installation, the model drawing and technical documentation should confirm the actual connection size, pressure setting range, maximum operating pressure, and gas discharge capacity. These checks support correct selection and prevent an adjustable exhaust valve from being assigned a safety function that has not been verified.
Technical Data
| Medium Temperature: | ≤120 celsius degree |
| Medium: | Gas |
| Body Material: | SS304,SS316L |
| Connection of Standard: | DIN,3A,SMS,ISO |
| Ends: | Tri clamp ends |
| Surface treatment: | Ra 0.8um |
Product Parameter
