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R Series

Product catalog summary

Overview: The document provides detailed information on Emerson's R Series full-sized and compact regulators designed for domestic applications. These regulators are part of Emerson Automation Solutions' pressure management offerings.

Specifications: The R Series includes various models for first-stage, second-stage, and two-stage applications. Sizes range from 1/4 inch to 3/4 inch for both inlet and outlet connections. Specific models include R622H, R642, R652, R122H, and R222, among others.

Design Features: The regulators are designed with large accessible wrench flats, inlet and outlet gauge taps, and universal mounting brackets. They feature a four-bolt, O-ring sealed inlet to prevent leakage, and an inlet screen in the second-stage regulator to maintain cleanliness and promote good lock-up.

Performance and Reliability: The R Series regulators are engineered for high performance and reliability, featuring large aluminum orifices to prevent freeze-up, large diaphragm areas for accuracy, and corrosion-resistant materials. They also include a positive spring case drainage system.

Performance and Value: These regulators offer high performance relief with double overpressure protection, convenient test connections, and premium powder coat paint for durability. They are tested at 250 psi inlet pressure to ensure reliability even in failure modes.

Flow Performance: The document includes performance curves showing outlet pressure against inlet pressure, demonstrating the regulators' ability to maintain a maximum delivery pressure of 30 psig to the second-stage even at high inlet pressures.

Support and Service: Emerson provides industry-leading service and support with a global distribution network and over 2,000 technical experts available worldwide.

Catalog excerpts

MODELSSize Applications Models Inlet Outlet Full SUPERIOR SERVICE AND SUPPORT Emerson’s industry leading service and support offers a complete line of LPG equipment with a worldwide distribution network. Our experienced sales and support teams consist of more than 2,000 technical experts available to serve you from nearly 200 offices worldwide. Contact Emerson to learn more about our services. D450251T012 © 2010, 2020 Emerson Process Management Regulator Technologies, Inc. All rights reserved. 09/20. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher™ is a mark owned by Fisher Controls International LLC, a business of Emerson Automation Solutions. R Series Full-Sized and Compact Regulators for Domestic Applications

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• High performance relief with exclusive double overpressure protection in ALL first and second-stage R Series • Convenient test connections in every model • Installation features for the serviceman • Corrosion resistant materials • Premium powder coat paint • Reliable performance R Series regulators are highly engineered products utilizing the finest materials and processes available around the globe – all aimed at delivering unmatched customer value. FLOW PERFORMANCE Simply put, it means you have the best dual stage regulator system available. Period. R Series* first and second-stage regulators...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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