E S Constant Co

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E.S. Constant Company is dedicated to the delivery of superior quality and performance in our products and services, down to the last detail. We provide accurate and practical responses to questions relating to design, application, and field work.

Hyspan was founded in 1968 with comprehensive engineering, quality and production capability to design, develop and fabricate metal bellows and hose; and assemblies and products that incorporate these components. The Tulsa Division was constructed in Tulsa, Oklahoma in 1989. This facility manufactures wire braid, Perma-Pax Packed Expansion Joints and Barco Ball Joints. Hyspan is a member of the Expansion Joint Manufacturers Association, Inc. (EJMA), an organization devoted to the development of design methods for metal bellows and related products.

Warren Controls has been in the valve business for 50 years, serving a wide variety of commercial, industrial, military and OEM customers. Our strengths lie in our ability to ensure that we are meeting the needs of the application, providing personal service and flexibility to meet our customer’s needs.

We are celebrating 63 years in business this year. When E. S. Constant founded this company in 1947, he envisioned a company where strong relationships could be built while providing excellent service. More than sixty years later, we're enjoying those strong relationships, and are committed to spending the next 60 years providing modern products and services that are worthy of the name E.S. Constant gave this company long ago.

Our goal is to be the preferred provider of innovative, high quality solutions for our customers' steam, condensate and hydronic specialties needs.

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