Difference between PSV and PVRV?
PSV is typically a spring safety valve for pressurized systems. PVRV protects tanks against both overpressure and vacuum.
RFQ-intent page · From live buyer enquiry language · Updated October 2026
Who supplies pressure vacuum relief valves for storage tank RFQs?
Supreme Valves India quotes pressure vacuum relief valves (tank breather / PVRV) for atmospheric and low-pressure storage tank RFQs. Set pressures for pressure and vacuum sides, size, and material must be on the datasheet.
Typical RFQ specification
- Type: pressure vacuum relief / tank breather valve
- Data: pressure set, vacuum set, size, material, quantity
- Service: storage tanks, blanketing systems
Buyer FAQ
What set points are needed?
Both pressure relief setting and vacuum relief setting, plus tank design pressure.
Materials?
Aluminium, CS, SS per tank medium and corrosion note.
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