They are the simplest of the PRV´s and do not require an external pressure tap. 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 ARMSTRONG INTERNATIONAL line valves, at low cost that can be used in steam, compressed air, gases and liquids.
|Body||Ductile Iron ASTM A536 / Stainless steel 316 or Bronze ASTM B584|
|Seat||Stainless steel AISI 420|
|Diaphragm||Stainless steel AISI 304 (GD-6)|
|Bellows||Bronze ASTM B103 / Stainless steel 316 (GD-30 / GD-45)|