Safety Without Compromise

Vapor and Flame Solutions

Explosion Prevention and Pressure Protection Devices

Welcome to Protectoseal, the industry leader in safety products for almost 100 years. Our comprehensive product line includes Pressure and Vacuum Relief Vents, Emergency Relief Vents, Flame Arresters, and Tank Blanketing Valves. With short lead times and greater availability, we guarantee that our products are always within reach. Trust Protectoseal for superior quality and unbeatable service.

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Our History

Since our establishment in 1925, Protectoseal has been at the forefront of developing innovative solutions such as Pressure and Vacuum Relief Vents, Emergency Relief Vents and Flame Arresters. In 2022, the company reached an important milestone by acquiring Elmac Technologies, a leading manufacturer of Flame Arresters and Pressure Protection Equipment…


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