Midland Manufacturing Company:
Part of OPW Fluid Transfer Group

You can rely on Midland’s 60 plus years of experience to help ensure the safe and reliable performance of your rail tank car valves and fittings. Our field sales and technical support teams understand Shipper needs and provide decades of experience to support your loading and unloading operations. Midland representatives are always available — to recommend the proper valve specification, provide knowledgeable advice on improving equipment performance and keeping repair costs low, or consult on how to reduce NARs. Specify Midland — the safest, most dependable products available for your tank car fleet.

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Provides fast, predictable and controlled release of pressure for DOT Class 111 Tank Cars used to transport ethanol and crude oil.


Midland Offers a Complete Line of Crude Oil and Condensate Railcar Products

The Midland Value Proposition

Provide hassle free products and services when you need them.

The safest products and services that protect people and the environment while providing the best total value.

The most reliable expertise with the products and resources to keep your tank cars on track, generating revenue.