Gas Regulator is intended for commercial service applications.

Press Release Summary:

Used to supply natural gas to commercial applications, Fisher® Commercial Service Regulator model CS804 has integral slam-shut that lends to extended service life and facilitated maintenance. Design eliminates false trips due to inaccurate internal registration, vibration, high flow rates, and/or cold temperatures. Also, internal registration eliminates need to install control line to achieve slam-shut accuracy requirements. Configurable solution also offers overpressure protection options.

Original Press Release:

New Emerson Commercial Service Regulator Reduces Cost of Ownership

Fisher® CS804 regulator offers long service life and easy maintenance

McKINNEY, TEXAS – Emerson Process Management has released the Fisher CS804 regulator with integral slam-shut, which minimizes cost of ownership by providing a long service life and easy maintenance.

The Fisher CS804 reduces unnecessary maintenance calls to the field and lowers lifecycle costs by eliminating false trips due to inaccurate internal registration, vibration, high flow rates and/or cold temperatures. The CS804 features improved internal registration that eliminates the need to install a control line to achieve slam-shut accuracy requirements, which also reduces overall cost of ownership and installation.

Fisher Commercial Service Regulators are used to supply natural gas to commercial applications, such as heating office buildings, schools, grocery stores and apartment complexes. The highly configurable, fast-acting Commercial Service Regulators provide a full range of overpressure protection options, minimizing gas emissions to the atmosphere and providing safe and reliable solutions needed for buildings of public assembly.

Technical documentation, including bulletins, instruction manuals, and operational schematics may be found at

About Emerson Process Management

Emerson Process Management (, an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, water and wastewater treatment, mining and metals, food and beverage, life sciences and other industries. The company combines superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Its brands include PlantWeb™, Syncade™, DeltaV™, Fisher®, Bettis™, Micro Motion®, Rosemount®, Daniel™, Ovation™ and AMS Suite.

About Emerson

Emerson (NYSE: EMR), based in St. Louis, Missouri (USA), is a global leader in bringing technology and engineering together to provide innovative solutions for customers in industrial, commercial, and consumer markets around the world.  The company is comprised of five business segments: Process Management, Industrial Automation, Network Power, Climate Technologies, and Commercial & Residential Solutions. Sales in fiscal 2014 were $24.5 billion.  For more information, visit

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