Stratotech specializes in pressure and vacuum relief valves under 10 psi

Premium products delivered on time by a reliable team
Engineer Owned

View Our Pressure & Vacuum Relief Valves

Upgrade Your Project with Our Pressure Relief Valves

We provide one-way and two-way valves to maintain and relieve pressure in numerous applications, including in shipping containers, military shelters, and data centers.

Our broad range of standard valves — and our ability to quickly craft custom products — makes it easy for you to find the right pressure valve. If you know what you need, take a look at our products, we provide details and specs in the description.

Need a solution but not sure what valve to use?

If you’re not sure what you need, we’re here to help. We’ll help you work through the specs to see if our standard valves will work, or if you need us to create a custom valve that meets your specific requirements.

Box of Stratotech Valves

Our Products

With a background in shipping container design, we understand the process of selecting the right component. Our experience helps us streamline the process and eliminate challenges.

Our high-quality, reliable pressure relief valves — whether standard or custom-made
are delivered on time and at a competitive price.

2way valves

Two-Way Relief Valves

Also known as breather valves, these valves automatically relieve both pressure and vacuum. We can set independent cracking pressure in both directions per your specifications.

View Two-Way Relief Valves
1way valves

One-Way Relief Valves

One-way pressure and vacuum relief valves are used to relieve pressure in one direction. These valves prevent over-pressurization and automatically reseal at a safe pressure. When that level is reached, the valve closes again.

View One-Way Relief Valves


When you need more than pressure relief valves, our accessories help you meet mil-standard requirements. This includes everything from humidity indicators to observation windows, record holders, and access ports.

View Accessories

Why Choose Stratotech

Your project is our biggest priority, so we maintain open, direct communication with you throughout the process. We help you determine which of our pressure relief valves or accessories will work best for your application, or if we should create an entirely custom design. We understand the importance of having a quality product and working with a team you can trust.


Our owner was a shipping container designer before forming Stratotech. Having gone through this process ourselves, we understand what you need and how to get your project done correctly, on time, and on budget.

Shorter Lead Times

Standard products are normally in stock and can be shipped the next day. Non-stock items and custom designs can be turned around quickly, to get your project off the ground as soon as possible.

Customer Service

We guide you through the process, whether you use a standard product or design something new. Our team is responsive to your questions and transparent about the work being done at every stage.


We strive to deliver compliant products on or before the due date for your order. Even if the unexpected happens, our reliable supply chain and efficient workflow makes it easy to meet your goals.

ISO 9001, AS 9100, and HUBZone Certifications

Stratotech maintains a quality management system that is certified to ISO 9001 and AS9100. We are also a certified HUBZone business, helping you meet your HUBZone contractual requirements.

Value Added Services

We offer several services that will help your product stand out.

Rapid Prototyping • Custom Branding • Laser Marking • Conformance Testing • Flow Testing

Our Process

Icon: Tell us about your project

Tell us about your project
and we’ll help you choose the right valve.

Contact Us
Icon: We can make custom products

We can build a custom product
if a standard product doesn’t meet your requirements.

Our Products
Icon: We'll provide a quote

We’ll provide a quote
usually within 1-3 days.

Icon: Product should ship within a week

Some products ship within a week
Custom or build-to-order jobs typically ship within 8 weeks.

Do You Have Rapid Decompression Requirements?

If your container or enclosure is being shipped by military aircraft, you may need to have safety measures in place. Our one- and two-way valves relieve pressure in case of a loss of cabin pressure.

Equipment failing due to pressure changes is not an option. Contact us and we’ll work with you to identify your rapid decompression needs.

Contact Us for a Rapid Decompression Solution