Products/Safety & Relief Valves/Vacuum Relief / Breather Valve
Vacuum Relief / Breather Valve - Tank breather vacuum relief valve for storage tank protection

Vacuum Relief / Breather Valve

Tank breathing valve that opens on vacuum or pressure to protect storage tanks from over- or under-pressure.

Quality Tested & Certified
International Standard Compliance
Global Shipping Available

Technical Specifications

TypePressure & Vacuum Relief (PVR)
Size Range1" to 8" (25 mm to 200 mm)
Body MaterialsAluminium, Carbon Steel, Stainless Steel, FRP
PalletSS316 with PTFE seat
Set PointsPressure: +0.5 to +150 mbar / Vacuum: -0.5 to -60 mbar
End ConnectionsFlanged (nozzle mount)
StandardsAPI 2000, ISO 28300

Applications

Storage tanks, API tanks, chemical vessels, gasoline terminals

Frequently Asked Questions

About Vacuum Relief / Breather Valve — ordering, specs, delivery & compliance

What standards does the Vacuum Relief / Breather Valve comply with?+

Our Vacuum Relief / Breather Valve complies with API 2000, ISO 28300. All products are manufactured to international standards and come with full material test reports (MTR), dimensional inspection reports, and hydrostatic test certificates on request.

What materials are available for the Vacuum Relief / Breather Valve?+

The Vacuum Relief / Breather Valve is available in Aluminium, Carbon Steel, Stainless Steel, FRP. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.

What is the delivery lead time for Vacuum Relief / Breather Valve?+

Standard stock sizes are available for immediate dispatch from our Vadodara warehouse. Custom sizes and special materials typically have a lead time of 2–6 weeks depending on specifications. We serve customers across India within 1–7 business days and export to the Middle East, Southeast Asia, Europe, and the Americas with full export documentation.

Can I get a custom Vacuum Relief / Breather Valve for a specific application?+

Yes. Vajra Industrial Solutions supplies custom-engineered safety & relief valves for specific process conditions. Submit your technical requirements — including pressure class, temperature range, fluid type, end connections, and any special trim or coating needs — via our RFQ form or WhatsApp, and our engineering team will respond within 24 hours.

What pressure ratings are available for the Vacuum Relief / Breather Valve?+

The Vacuum Relief / Breather Valve is available in pressure ratings of PN10 to PN400 (ANSI Class 150 to Class 2500). Higher-pressure classes are available for critical service applications in oil & gas, power generation, and chemical processing.

How do I request a quote for the Vacuum Relief / Breather Valve?+

You can request a quote by clicking the "Request Quote" button on this page, filling out our RFQ form at vajravyuh.com/rfq, emailing us at sales@vajravyuh.com, or WhatsApping us directly at +91-9979774557. Please include quantity, size, pressure class, material grade, and end-connection type for the fastest response.

Need a Quote for Vacuum Relief / Breather Valve?

Our technical sales team responds within 24 hours. Share your specs and get competitive pricing.