Breather Valve

Approx. Rs 12,000 / PieceGet Latest Price

Product BrochureProduct Details:

Pressure & Vacuum Relief for Fixed-Roof Storage Tanks

Tank Breather Valves, also known as Pressure-Vacuum Relief Valves (PVRV), are essential safety components for atmospheric and low-pressure storage tanks. They prevent tank deformation by allowing controlled venting during filling or emptying, maintaining safe internal pressure and vacuum levels. These valves protect against overpressure, vacuum collapse, and vapor losses in compliance with environmental and safety regulations.

 Technical Specifications

• Type: Pressure-Vacuum Relief Breather Valve (Vent Valve)

• Body Material Options:
  ➤ Carbon Steel / Stainless Steel (SS304, SS316) / Aluminum / Cast Steel

• Size Range: 2" to 12" (DN50 to DN300)

• Connection Type:
   Flanged (ANSI B16.5 / DIN)
   Screwed BSP/NPT (for smaller sizes)

• Set Pressure Range:
  ➤ Pressure: 10 mbar to 700 mbar
  ➤ Vacuum: -2.5 mbar to -350 mbar

• Seal Material: PTFE / FEP / Viton / Nitrile

• Pressure Class: API 2000 compliant

• Temperature Range: -20°C to +200°C (material-dependent)

• Type of Disc: Weight-loaded or Spring-loaded options available

• Flame Arrestor: Optional integrated flame arrester for explosive vapors

 Suggested Image: Tank breather valve mounted on top of a vertical storage tank showing inlet/outlet paths.

 Key Features

 Dual-Function Venting
Allows air in during vacuum and releases vapors during pressure buildup

 Minimizes Emissions
Reduces vapor loss, protecting both environment and product integrity

 Tank Protection
Prevents tank rupture or implosion due to internal pressure changes

 Field-Adjustable Settings
Custom pressure/vacuum settings to match tank operating parameters

 Robust & Corrosion-Resistant
SS316 and coated options available for harsh chemical environments

Optional Accessories
Flame arrestors, weather hoods, and bug screens available on request

 Suggested Image: Sectional diagram showing pressure and vacuum pathways with spring/weight mechanism.

✅ Standards & Compliance

✔️ Designed as per API 2000, ISO 28300
✔️ Tested for pressure and vacuum relief accuracy
✔️ Supplied with Calibration Reports and MTC
✔️ CE, ATEX, and IBR certifications available upon request

 Suggested Image: CE/ATEX marked valve tag, pressure test certification, and flame arrester add-on detail.

 Application Areas

 Fixed-Roof Storage Tanks
 Chemical & Petrochemical Plants
 Fuel Terminals and Loading Bays
 Solvent and Paint Storage
 Water and Wastewater Storage Tanks
 Edible Oil & Agrochemical Storage