Auto Operated Valves


GD30 self-operated valves, are the simplest of the PRVs and do not need an external pressure tap to be operated. It is recommended for small and moderate flows and provides +/- 10% accuracy regarding the set point.
Available in models GD-30, GD-45 e GD-6, they are line valves ARMSTRONG INTERNATIONAL, at low cost that can be used in steam, compressed air, gases and liquids.

Technical information

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    CV from 0,35 to 8,5 and range 10:1;
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    NPT DN 3/8 ”to 2” threaded connections.

Product Details

BodyDuctile Iron ASTM A536 / Stainless steel 316 or Bronze ASTM B584
SeatStainless steel AISI 420
DiaphragmStainless steel AISI 304 (GD-6)
BellowsBronze ASTM B103 / Stainless steel 316 (GD-30 / GD-45)
ColorDark gray

Direct Action Pressure reducing line

Direct Action Pressure reducing line.