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Mooney Flowgrid User Manual

Mooney Flowgrid
16 pages
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Flowgrid
®
Regulator
Installation/Operation/Maintenance Manual
MOONEY
®
FLOWGRID
®
REGULATOR
Table of Contents
Product Description ..............................................................1
Valve Markings .....................................................................3
Nameplate Information .........................................................3
Principles of Operation ..................................................... 4-5
Hydrostatic Testing ...............................................................5
Installation ........................................................................ 6-7
Piping Details .................................................................. 7-10
Start-up and Operation .......................................................11
Maintenance ................................................................ 13-14
Troubleshooting ..................................................................15
Warranty .............................................................................16
Product Description
The Flowgrid
®
valve is an easy to maintain valve designed
to be used primarily with a self contained pilot system. The
Flowgrid
®
valve has several unique features that add to its
versatility such as:
In line maintenance.
Replaceable trim.
Reversible trim parts.
Dual flow elements for added capacity or redundancy.
Non stretching fabric reinforced diaphragm for stability and
fast response at all temperatures.
Positive spring shutoff.
Two-stage pressure drop to minimize noise and provide
cavitation protection.
Refer to Figure 1 (Page 2).
All Flowgrid
®
valves have six main parts (excluding bolting
and O-rings); the body, throttle plate, spacer, diaphragm,
main spring, and spring case. Although parts vary in size and
design, all valves share the same principle of operation.
The body (1) is available with single or dual ports. The
dual port design (figure 3) can provide redundant control if
equipped with dual pilots or be used with a single pilot for
maximum capacity.
Scope
This manual provides installation, operation, and maintenance instructions for the Flowgrid
®
valve and regulator. Instructions for
the Series 20 Pilot will be found in a separate manual.

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Mooney Flowgrid Specifications

General IconGeneral
ApplicationFlow measurement and control
CategoryControl Unit
Output Current4-20 mA
Temperature Range-40°F to 185°F (-40°C to +85°C)
Operating Temperature-40°F to 185°F (-40°C to 85°C)
Protection RatingIP65
Housing MaterialAluminum
End ConnectionsFlanged, threaded, or welded