The Flowgrid series of valves are unique in the industry and offer:

Simplicity of Design: The diaphragm is the main control component of the valve and performs the dual function of both actuator and throttling element.

Fabric-Reinforced Throttling Element/Diaphragm: The fabric reinforcement in the throttling element provides stability and fast response by preventing stretching. The diaphragm will not change shape or "take a set," and it is thick for durability and wear resistance.

Main Spring:
A unique elliptical spring provides high frequency response and proportional action for stability and a consistent minimum differential regardless of temperature. The main spring also provides a positive closing for, which is important for monitor-regulator applications.
The Flowgrid Valve was designed to fill the need for an easy-to-maintain valve that would be used primarily with self-contained pilot systems for both liquid and gas applications. As a self-contained, pilot-operated device, it can offer substantial energy savings when compared to conventional air-operated or electrically operated control valves.
In-Line Maintenance
The Flowgrid Valve has very few parts and can be inspected or overhauled without removal from the line.

Low Minimum Differential:
Selection of the main spring controls the minimum differential which can be as low as 6 psid.

Spring Case:
The spring case is shaped to retain the main spring and has a small volume to enhance response and stability.

Compact Size:
The Flowgrid Valve is compact, making it ideal for installation in prefabricated systems, vaults and enclosures. It may be installed in any position.

Restricted Trim:
Restricted throttle plates of 35%, 50% and 75% capacity are available at low cost. Trim capacity is noted on the nameplate or body.

40 West Gregson Ave. Salt Lake City, Utah 84115
Phone: (801) 487-2225 FAX (801) 487-2587
E-MAIL: mail@mooneycontrols.com

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