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Chicago Fittings is a product line of A.Y. McDonald Mfg. Co. offering specialty joining solutions for the natural gas and propane markets.

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Our Patented X-Riser®

The use of an X-Riser® removes a minimum of two below grade joints per riser when compared to that of a standard pigtail style anodeless riser. 

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Rigid Risers

Designed for unmatched durability, the Rigid Riser has a solid carbon steel casing to protect the gas line from any above-ground damage, and an electrostatically applied coating for corrosion resistance.

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Semi-Rigid X-Riser

This field assembled service head type riser is appropriate for both new construction and PE service line renewals. The carbon steel casing can be used for rigid mounting while still allowing for flexible assembly underground.

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Service Heads, Adapters, & Transition Fittings 

The Chicago Fittings product line includes high-performance service heads, adapters, and transition fittings for gas and utility systems.

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Natural Gas Products

The Chicago Fittings product line provides a wide variety of transition fittings for the natural gas market. The Sealastic® design technology is the simplest, safest, and most robust design in the industry. The philosophy of this design is to greatly reduce/eliminate installation errors and reduce installation time. With features such as integral stiffeners, a bi-directional seal/ferrule assembly that can’t be installed improperly, and a “positive stop” or “bottoming” design that eliminates torque requirements, Chicago Fittings simply has the best products for your applications.

Propane Products

The Chicago Fittings product line also manufactures a variety of transition fittings for the propane gas market. This includes risers, adapters, couplings, and numerous specialty items. Chicago Fittings puts a heavy emphasis on eliminating below grade joints in your system wherever possible. By using the X-Riser®, we remove the need for underground joints while boasting the simplest, safest, and most cost effective method in transitioning propane gas from tank to building, making us one of the most popular installation methods in the industry.

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