Product Description
The valve, made from valve body, actuator and one pressure-preset spring, applies internal pressurizing structure, automatically adjusts and stabilizes the pressure by using the pressure change of medium itself. It is applicable for steam, weak corrosive gas or low-viscosity liquid, acting the differential pressure control in the pipeline, when the pressure difference rises up, the valve is opened.
Parameters
Size: 1/2"~16"（DN15~DN400）
Pressure Rating: ASME CLASS 150~300 (PN16~PN40)
Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel
Temperature Range:-5℃~230℃
Seat Leakage：ANSI IV or ANSI Ⅵ(bubble-tight)
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