Who We Are

We are a manufacturer of hydraulic and pneumatic check valves. We specialize in the Fluid Power and Fluid Transfer industries.   

Daulco, Inc.

Check Valve Solutions For Industry

Non-OEM Supplier

We focus on non-OEM replacement valves used in the Gas Turbine and Locomotive industries. for many years, your supplier options have been limited.                      

Drop-In Replacement Valves

Daulco offers an alternative solution to for valves that meet or exceed your requirements in form, fir and function. Outline drawings available upon request.                     

Buying From Us

Experience

The Daulco Team has over 40 years experience in providing high performance solutions in the check valve industry, both domestic and international.                    

We want you to contact us for a price quote. It will allow you to compare your cost savings with other suppliers.

Daulco's prices are very competitive and much lower than other solutions. We are able to accomplish this by focusing our product line, tightly controlling our costs, while still offering exceptional quality. 100% testing with documentation is available. 

You're welcome to purchase directly from or from a representative in your area.