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August 3, 2011 – Emerson Process Management released the 4-inch Fisher EZHSO Series spring-to-open pressure reducing regulator. The EZHSO design incorporates a unique spring cartridge that offers a fail-to-open alternative, ensuring gas delivery in the event of diaphragm failure or lack of supply pressure to the pilot. The failure action is the opposite of the EZH Series spring-to-close pressure reducing regulators.
The Types EZHSO and EZHSO-OSX (slam-shut) regulators are available in 1, 2, 3, and 4-inch sizes. These new offerings provide the same benefits as Emerson’s proven Fisher Type EZH regulators such as true no-bleed design, top-entry maintenance, bubble-tight shutoff, and inlet/outlet rating of 1500 psig (103 bar).
The Whisper Trim Cage option is available for 2, 3, and 4-inch sizes, opening a broader application range for this product family. Noise reduction of 10 – 20 dB(A) can be achieved, depending on the application. As a “source treatment,” the Whisper Trim technology utilizes multiple orifices of special size, shape, and spacing, which reduces noise-producing interactions.
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, Micro Motion, Rosemount, Daniel, Ovation, and AMS Suite.
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