FISHER™ Y610A, Y611A, AND Y612A
Key Parameters
Category Parameter Name Description & Typical Values
Valve Specifications Valve Size 1/2" to 6" (DN 15 to DN 150)
End Connections Flanged (ANSI 150, 300, 600 lbs) - Standard. Other connections may be available.
Body Materials Carbon Steel (WCB) - Standard. Other materials like Stainless Steel may be optional.
Pressure Ratings Maximum Inlet Pressure Up to 1440 psig (~100 bar) - Dependent on valve size and pressure class.
Outlet Pressure Range (Y610A/Y611A) Adjustable via spring. Multiple spring ranges available, e.g.: 5-50 psig, 20-200 psig, 100-400 psig (0.3-3.4 bar, 1.4-13.8 bar, 6.9-27.6 bar).
Back-Pressure Setting Range (Y612A) Adjustable via spring, with a wide selection of ranges similar to the reducing valves.
Internal Parts (Trim) Trim Design Balanced, Single-Port Plug - Standard, for stable control.
Trim Materials Stainless Steel - Standard. Other materials like Carbon Steel, Stellite available.
Diaphragm Material Reinforced Elastomer (e.g., NBR) - Standard.
Performance Flow Characteristic Linear - Standard, providing proportional control.
Leakage Class Class II (metal-to-metal seat, standard). Class IV (with optional soft seat).
Temperature Limits Standard: -20°F to 150°F (-29°C to 66°C) with elastomer diaphragm. Higher temperatures possible with specific components.
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