

PROTECTOSEAL for over 70 years has been the recognized leader in the manufacture of a wide variety of tank vents and fittings used in the liquid process and storage applications.
With over 95 years in the business, Protectoseal is the industry-leading manufacturer of high-quality safety products. Their vapor and flame control technologies are deployed to ensure protection in some of the most stringent industrial applications found throughout the world. Every day, on every continent, our dependable line of products prevent volatile emissions from escaping and damaging the environment while guarding facilities and employees against dangerous flame and explosive events.
Pressure / Vacuum Vents End-of-Line Conservation Breather Vents In-Line Conservation Breather Vents Pipe-Away Conservation Breather Vents Vacuum Relief Vents FRP and Steam Jacketed Vents Spring Loaded Vents to 3 PSIG | PURE-TECH High Purity Tank Equipment High Purity Water Equipment High Purity Chemicals & Solvents Semiconductors & Microelectronics Pharmaceuticals & Cosmetics Special designs, materials, and finishes |
Emergency Vents End-of-Line & Pipe-Away Designs Emergency Pressure Vents Emergency Pressure Manhole Cover Vent | PIN-TECH Bubble Tight Vents End-of-Line Pressure Vent O-Ring, Rupture Pin Design Positive, Bubble Tight Seal |
Flame / Detonation Arresters End-of-Line Flame Arresters In-Line Flame Arresters Bi-Directional Detonation Flame Arresters | PURE-TECH High Purity Tank Equipment High Purity Water Equipment High Purity Chemicals & Solvents Semiconductors & Microelectronics Pharmaceuticals & Cosmetics Special designs, materials, and finishes |
Tank Blanketing Valves (N2 ) Liquid Level Indicators Specialty Tank Fittings |