Vacuum Relief Valves

Our vacuum relief valves are designed to open at calibrated over-pressures, and remain open when tripped.

However, under catastrophic conditions, other explosion relief protection methods (membranes and discs) require vacuum breaks to avoid damage from implosion..

Add this extra protection from the cooling gases in your trapped volume.

Our vacuum relief valves:

• Are made of 300 series stainless steel (specify type).
• Are made with PTFE and other materials to insure positive sealing.
• Can be made up to 14 inches diameter
• Use adjustable rare-earth magnet doublets to insure a set opening vacuum.
• Can be adjusted up to 14″ WC vacuum

Vacuum Relief Valves Made in the U.S.A.

At Philadelphia Safety Devices, we specialize in crafting high-quality vacuum relief valves right here in the United States, utilizing materials sourced domestically. Our vacuum relief valves are custom-engineered to meet the unique requirements of your application, ensuring reliability, durability, and effectiveness in protecting workers and equipment. As a U.S.-based fabricator, we are eligible to bid on and fulfill government contracts, making us a trusted choice for projects that prioritize compliance with regulatory standards and top-notch craftsmanship in explosion relief equipment. You can rely on Philadelphia Safety Devices to provide reliable vacuum relief valves that reflect the excellence of American engineering and innovation.